From 66068fa41bd0fb13cd4401ad8cdb80040c65d982 Mon Sep 17 00:00:00 2001 From: TechNomadCode Date: Wed, 21 Oct 2026 16:08:22 +0200 Subject: [PATCH] Replay the real model's recorded answers with npm run dev:replay Co-Authored-By: Claude Opus 5.5 --- AGENTS.md | 2 + README.md | 6 + docs/plan.md | 16 +- package.json | 2 + playwright.config.ts | 32 +- scripts/copy-replays.ts | 88 + scripts/dev-replay.ts | 43 + src/app/layout.tsx | 28 +- src/lib/env-guard.ts | 16 +- src/server/AGENTS.md | 8 + src/server/ai/fake-chat-model.ts | 2 +- src/server/ai/providers.ts | 31 +- src/server/ai/replay-chat-model.ts | 176 ++ src/server/ai/replays.json | 3272 ++++++++++++++++++++++++++ src/server/ai/replays.ts | 166 ++ src/server/env.ts | 17 +- tests/AGENTS.md | 3 +- tests/e2e/replay.spec.ts | 46 + tests/unit/env-guard.test.ts | 11 + tests/unit/providers.test.ts | 26 + tests/unit/replay-chat-model.test.ts | 481 ++++ 21 files changed, 4423 insertions(+), 49 deletions(-) create mode 100644 scripts/copy-replays.ts create mode 100644 scripts/dev-replay.ts create mode 100644 src/server/ai/replay-chat-model.ts create mode 100644 src/server/ai/replays.json create mode 100644 src/server/ai/replays.ts create mode 100644 tests/e2e/replay.spec.ts create mode 100644 tests/unit/replay-chat-model.test.ts diff --git a/AGENTS.md b/AGENTS.md index 1f073ba..f19a144 100644 --- a/AGENTS.md +++ b/AGENTS.md @@ -64,6 +64,8 @@ Use the npm scripts, not the tools underneath them: they run the environment gua | --- | --- | | `dev`, `build`, `start` | Next.js, behind the environment guard | | `dev:real` | The dev server with the chat on the real model, from this machine's token in `.env.development.local` | +| `dev:replay` | The dev server with the chat replaying the real model's recorded answers, at their real pace; free, no token (`src/server/AGENTS.md`, *Replayed answers*) | +| `replays:copy` | Copies a few counted runs of each measured request from a measurement's records into `src/server/ai/replays.json`; reads the records only | | `measure`, `measure:fake` | The measurement: fixed requests on the real model and the real search, with that token; the same on the fakes, free (`src/server/AGENTS.md`, *The measurement*) | | `measure:report` | A measurement's report and its comparison with the baseline, from the saved records; sends nothing | | `doctor` | Checks Node, Git, Docker, the pinned Supabase CLI, gitleaks and the GitHub CLI | diff --git a/README.md b/README.md index 70282a9..ec2271b 100644 --- a/README.md +++ b/README.md @@ -63,6 +63,8 @@ Then open http://localhost:3000. Everything runs on your machine: the database i | --- | --- | | `npm run dev` | The app in development mode, at http://localhost:3000 | | `npm run dev:real` | The same, with the chat on the real model and your own token (see below) | +| `npm run dev:replay` | The same, with the chat replaying the real model's recorded answers: free, no token (see below) | +| `npm run replays:copy -- --from ` | Copies a few recorded runs of each measured request into the project, for `dev:replay` | | `npm run measure -- --name --purpose ""` | Measures the AI's behaviour on the real model with your own token (see below); `--plan` only prints what it would send and cost | | `npm run measure:fake -- --name --purpose ""` | The same tool on the fakes, free | | `npm run build`, `npm start` | A production build, and serving it | @@ -91,6 +93,10 @@ By default the chat runs on a scripted fake, so the tests are free and always gi The search still runs on the fake embedder, because the local passages carry its vectors, so which passages come back differs from staging. Every message spends neurons from the daily free allocation that staging and production share (10,000 a day; a first section costs about 310). Plain `npm run dev` reads the file too but keeps the fake chat; only `dev:real` switches the chat to the real model. Tests, builds and every other command except the measurement keep the fakes, and the environment guard refuses the token anywhere but that file. +### Replayed real answers + +`npm run dev:replay` shows the interface with the real model's answers as they arrive on staging, for free and without a token. The chat replays answers the measurement recorded on gpt-oss-120b (a few runs of each measured request, in `src/server/ai/replays.json`): each reply whole, after the time the real model took. The intro's button, the grocery delivery suggestion and the other measured requests replay, each request's runs in turn; any other message gets the scripted fake's answer, paced the same way. The searches and saves still run on your machine, so the search lines show local passages, while the words come from the recording. The header says "Replaying recorded answers". To refresh the copy after a new measurement, run `npm run replays:copy -- --from docs/records/measurements/` where the records are. + ### Measuring the AI's behaviour The AI answers differently every time, so its behaviour is measured over several runs instead of judged from one. `npm run measure` sends five fixed requests (six answers: the first section, the disagreement about notifications, a gap in the interviews and the visitor's answer to it, and the grocery delivery and dark mode claims) to the real model, five runs each by default, with the search on the real embedder over the command's own copy of the passages. The app, the tests and the local database keep the fakes. diff --git a/docs/plan.md b/docs/plan.md index 8ffe042..35730d2 100644 --- a/docs/plan.md +++ b/docs/plan.md @@ -20,12 +20,11 @@ ### Build lane - **Where:** its own worktree per piece, on a branch from an up-to-date `main`. If the session isn't in a worktree yet (`git worktree list` shows its folder as the main checkout, not under `.claude/worktrees/`), it creates one before touching anything, and never checks out a branch in the main folder, where the measurement lane works. Claude Code's worktree option puts it under `.claude/worktrees/`; run `npm ci` there first. A worktree made with `git worktree add` gets no `.env.local`: run `npm run env:local` there, or the end-to-end tests find no interviews. Its browser check uses `app-build` in `.claude/launch.json` (port 3200), never `app` or `app-real`, which are the measurement lane's on port 3000. It never runs `measure`, `measure:fake` or `dev:real`, never edits the measurement lane's files above, and changes code in `src/server` only where its piece needs it, never what the model receives (listed above); its pull request says which `src/server` files it changed and why. -- **Doing:** nothing in progress. Slice 21 is merged (48101cd, with 82cde8b, 2026-10-21), and its deploy brought slices 20 and 21 to staging (run 39609303286), after slice 20's own deploy had stopped at `test:e2e`. +- **Doing:** slice 22 is done on `feat/replay-real-answers` (`.claude/worktrees/slice-22-replay`), from `main` at e953bd0, waiting for the owner's push and merge. Local checks on 2026-10-21: `verify` (509 unit tests) and `test:e2e` (68, of which 1 new in `tests/e2e/replay.spec.ts`, on a second server on port 3101) passed in one full run each. The page checked at its real pace with `npm run dev:replay` from the worktree on port 3200: the intro's button replayed A-3 ("Used 4 searches", the save checked here with 14 of 14 quotes confirmed, "Thought 2s", the recorded words), the header's "Replaying recorded answers", no console errors. It adds `src/server/ai/replay-chat-model.ts`, `replays.ts` and `replays.json` (18 baseline runs, copied with `npm run replays:copy` from the main checkout's records, which it only read), lets `providers.ts` and `env.ts` take `AI_CHAT_PROVIDER=replay` and `REPLAY_SPEED`, and exports `lastVisitorMessage` from `fake-chat-model.ts`; nothing the real model receives changes, so the measurement lane needn't wait for it. - **Next:** - 1. Slice 22, the replayed real answers, on its own branch from `main` once the owner says go (asked 2026-10-21). - 2. Slice 8, the rate limit, once 9d is done and the owner has decided its legal basis and size (*Deferred*). + 1. Slice 8, the rate limit, once 9d is done and the owner has decided its legal basis and size (*Deferred*). - **Unverified:** on staging, a reload keeping the PRD and the downloaded file (local Chromium only); a stop ending the answer on Cloudflare too, where the call in flight may still be finished and counted; the quota message against Cloudflare's real refusal (the tests replay its reply of 2026-10-20) and whether its per-minute 429 carries a retry header; a source name's pop-over, "Your decision, not from the interviews." under a claim of the visitor's, the table fix and the intro screen; Safari and Firefox (only Chromium ran; without anchor positioning the pop-over is a centred box, by design, and without `field-sizing`, before Safari 26.2 and Firefox 152, the message box keeps its three lines; the moving band, whose fallback is the still grey line; the PRD's highlight and rolling count; Jump to latest; the folded line's slide, which falls back to showing at once; the words' fade; the copy button, its label and the clipboard; Inter and its resized fallback, which needs Arial installed, so Linux and Android show the system's font until Inter arrives; a table's cells keeping their 144px and its box's sideways scroll; the Thinking line's band). On staging, a real reply's table, and the Thinking line through the real model's waits with the times it shows (the fake model's are about 0s). On staging, a reply that arrives whole fading in as one, and a section's copy over HTTPS pasted into another app. Expect the Security Advisor's lint 0028 on `search_passages` on staging; it's intended (`supabase/AGENTS.md`). Production waits for launch and its Cloudflare token. -- **Waiting on the owner:** the go for slice 22; whether `next dev` may keep adding its block to `AGENTS.md` (KI-8); the GitHub description and topics whenever they like. +- **Waiting on the owner:** pushing `feat/replay-real-answers`, its pull request and the merge; whether `next dev` may keep adding its block to `AGENTS.md` (KI-8); the GitHub description and topics whenever they like. ### Shared rules - One branch per piece, from an up-to-date `main`; the owner pushes it, opens the pull request and merges it (`AGENTS.md`, Branches). After the other lane's merge, rebase an unpushed branch onto `main`, and merge `main` into a pushed one; never rewrite a pushed branch. @@ -119,11 +118,4 @@ ### 21 · Steady end-to-end tests · risk: normal · status: done (48101cd, with 82cde8b) -### 22 · Replayed real answers, to look at the interface here · risk: normal · status: todo -- **Goal:** the owner and the build lane can watch the interface on this machine with the real model's answers as they arrive on staging (their words, tables, searches, saves and waits), for free and without the token. The fake model's answers are made up and arrive word by word every 15ms, with thoughts of about 0s; the real model's arrive whole, after calls of about 1.5 to 20 seconds each (the baseline's records, 2026-10-19). -- **Acceptance:** - - A command such as `npm run dev:replay` runs the dev server with a chat model that replays recorded answers: each model call's parts as recorded, whole, after that call's recorded duration. It reads no token and sends nothing to Cloudflare; `dev:real` stays the only way to the real model here, and the tests stay on the scripted fake. - - The recordings are a few counted runs of each measured request, A to E, copied from `docs/records/measurements/` (ignored by Git, so only this machine's main checkout has them) into the project, trimmed to each call's parts and duration: no request bodies, headers, ids or logs. The copy only reads the measurement lane's records and never edits them. - - A visitor's message picks its recording by the request's words, so the intro's button and the try-to-break-it suggestion replay real answers (both take their words from `src/lib/suggestions.ts`), and a check-in after a replayed draft replays its continuation where one was recorded. Each recording's searches and saves still run here, on the local database and the fake embedder, so the search lines show local passages; what the recorded reply says comes from the recording, and the screen says that it's a replay. - - Any other message gets the scripted fake's answer, paced like the real model: whole replies, after waits in the range the recordings show, so the Thinking line, the folded searches and the fade can be watched in their real rhythm. - - Unit tests for picking a recording and for the pacing; an end-to-end check that one replayed answer, with its wait shortened for the test, shows its recorded words. Nothing in what the real model receives changes; the pull request names the `src/server` files it adds. +### 22 · Replayed real answers, to look at the interface here · risk: normal · status: done (on `feat/replay-real-answers`; its id on `main` goes here after the merge) diff --git a/package.json b/package.json index 1d3f3ef..838a700 100644 --- a/package.json +++ b/package.json @@ -10,6 +10,8 @@ "scripts": { "dev": "node scripts/env-guard.ts && next dev", "dev:real": "node scripts/env-guard.ts --real-chat && node scripts/dev-real.ts", + "dev:replay": "node scripts/env-guard.ts && node scripts/dev-replay.ts", + "replays:copy": "node scripts/copy-replays.ts", "measure": "node scripts/env-guard.ts --measure && node scripts/measure.ts", "measure:fake": "node scripts/env-guard.ts && node scripts/measure.ts --fake", "measure:report": "node scripts/env-guard.ts && node scripts/measure.ts --report", diff --git a/playwright.config.ts b/playwright.config.ts index 9503ade..a904f86 100644 --- a/playwright.config.ts +++ b/playwright.config.ts @@ -4,6 +4,8 @@ import { defineConfig, devices } from "@playwright/test"; // dev server, so they test what users get. const PORT = 3100; const baseURL = `http://127.0.0.1:${PORT}`; +const REPLAY_PORT = 3101; +const REPLAY_URL = `http://127.0.0.1:${REPLAY_PORT}`; export default defineConfig({ testDir: "tests/e2e", @@ -22,11 +24,27 @@ export default defineConfig({ trace: "retain-on-failure", }, projects: [{ name: "chromium", use: { ...devices["Desktop Chrome"] } }], - webServer: { - command: `npm run build && npm run start -- --port ${PORT}`, - url: baseURL, - reuseExistingServer: false, - timeout: 300_000, - stdout: "pipe", - }, + // Playwright starts its servers one after another, each once the one + // before answers (`createPluginSetupTasks` in the installed runner, read + // 2026-10-21), so the second starts on the build the first made. It runs + // the chat on the replayed answers (`npm run dev:replay`'s model), a + // hundred times faster than recorded; only `tests/e2e/replay.spec.ts` uses + // it, and every other test stays on the scripted fake. + webServer: [ + { + command: `npm run build && npm run start -- --port ${PORT}`, + url: baseURL, + reuseExistingServer: false, + timeout: 300_000, + stdout: "pipe", + }, + { + command: `npm run start -- --port ${REPLAY_PORT}`, + url: REPLAY_URL, + reuseExistingServer: false, + timeout: 60_000, + stdout: "pipe", + env: { AI_CHAT_PROVIDER: "replay", REPLAY_SPEED: "100" }, + }, + ], }); diff --git a/scripts/copy-replays.ts b/scripts/copy-replays.ts new file mode 100644 index 0000000..1da3df1 --- /dev/null +++ b/scripts/copy-replays.ts @@ -0,0 +1,88 @@ +// Copies a few counted runs of each measured request into the project, for +// `npm run dev:replay` (src/server/ai/replays.ts). It only reads the +// measurement's records, which are git-ignored, so it runs where they are: +// the main checkout, or a worktree given `--from` with the main checkout's +// measurement folder. It never writes there. +// +// npm run replays:copy -- --from +// +// Per request, runs whose last call wrote words come first, then the others, +// each by run number, so the intro's button replays a worded answer first. + +import { readdirSync, readFileSync, writeFileSync } from "node:fs"; +import { basename, join } from "node:path"; +import { parseArgs } from "node:util"; +import { + endsWithWords, + isReplayable, + REPLAYS_FILE, + REPLAYS_PER_REQUEST, + toRecording, + type MeasuredRecord, + type Recording, + type Replays, +} from "../src/server/ai/replays.ts"; +import { REQUESTS } from "../src/server/measurement/requests.ts"; + +const { values } = parseArgs({ + options: { + from: { type: "string", default: "docs/records/measurements/baseline" }, + }, +}); +const from = values.from; + +const UTC_DAY = /^\d{4}-\d{2}-\d{2}$/; + +type Found = { record: MeasuredRecord; recordedOn: string }; + +const found: Found[] = readdirSync(from) + .filter((entry) => UTC_DAY.test(entry)) + .flatMap((day) => + readdirSync(join(from, day)) + .filter((file) => file.endsWith(".json")) + .map((file) => ({ + record: JSON.parse( + readFileSync(join(from, day, file), "utf8"), + ) as MeasuredRecord, + recordedOn: day, + })), + ); + +const recordings: Recording[] = REQUESTS.flatMap((request) => + found + .filter( + ({ record }) => + record.setup.request === request.name && isReplayable(record), + ) + .sort( + (a, b) => + Number(endsWithWords(b.record)) - Number(endsWithWords(a.record)) || + a.record.setup.run - b.record.setup.run, + ) + .slice(0, REPLAYS_PER_REQUEST) + .map(({ record, recordedOn }) => + toRecording(record, { recordedOn, words: request.text }), + ), +); + +const replays: Replays = { + format: 1, + measurement: basename(from), + recordings, +}; + +writeFileSync(REPLAYS_FILE, `${JSON.stringify(replays, null, 2)}\n`); + +console.log( + `Copied ${recordings.length} runs of "${replays.measurement}" into ${REPLAYS_FILE}: ${recordings.map((recording) => recording.id).join(", ")}.`, +); +for (const request of REQUESTS) { + const copied = recordings.filter((recording) => + recording.id.startsWith(`${request.name}-`), + ).length; + if (copied < REPLAYS_PER_REQUEST) { + console.log( + `Request ${request.name}: ${copied} of ${REPLAYS_PER_REQUEST} wanted.`, + ); + } +} diff --git a/scripts/dev-replay.ts b/scripts/dev-replay.ts new file mode 100644 index 0000000..9c2d787 --- /dev/null +++ b/scripts/dev-replay.ts @@ -0,0 +1,43 @@ +// Starts the dev server with the chat on the real model's recorded answers +// (src/server/ai/replay-chat-model.ts), for watching the interface with real +// replies and their real waits, for free. It sends nothing to Cloudflare and +// the replay reads no token. Like `dev:real`, it sets AI_CHAT_PROVIDER for the +// dev server, which no env file can undo (Next.js, "Environment variable load +// order", read 2026-10-19), and NEXT_PUBLIC_CHAT_REPLAY, which the header +// shows; Next.js inlines a NEXT_PUBLIC_ variable from the environment when it +// compiles (read 2026-10-21 through Context7). The search keeps the fake +// embedder and the local database. `npm run dev:replay` runs the guard first. + +import { spawn } from "node:child_process"; +import { createRequire } from "node:module"; + +const next = createRequire(import.meta.url).resolve("next/dist/bin/next"); + +console.log( + [ + "Dev server with the chat on recorded answers: the measurement's real gpt-oss-120b replies, replayed with their real waits.", + "The intro's button, the grocery delivery suggestion and the other measured requests replay; any other message gets the fake model, paced the same way.", + "Nothing is sent to Cloudflare. The searches and saves run here, on the local database and the fake embedder.", + "", + ].join("\n"), +); + +const server = spawn( + process.execPath, + [next, "dev", ...process.argv.slice(2)], + { + stdio: "inherit", + env: { + ...process.env, + AI_CHAT_PROVIDER: "replay", + NEXT_PUBLIC_CHAT_REPLAY: "1", + }, + }, +); +server.on("error", (error) => { + console.error(`The dev server didn't start: ${error.message}`); + process.exitCode = 1; +}); +server.on("exit", (code, signal) => { + process.exitCode = code ?? (signal ? 1 : 0); +}); diff --git a/src/app/layout.tsx b/src/app/layout.tsx index d9df6f3..4c3b377 100644 --- a/src/app/layout.tsx +++ b/src/app/layout.tsx @@ -18,6 +18,11 @@ export const metadata: Metadata = { // jump when Inter arrives (Next.js, `next/font`, read 2026-10-21). const inter = Inter({ subsets: ["latin"], variable: "--font-inter" }); +// `npm run dev:replay` sets it, so the screen says the answers are replayed +// (src/server/ai/replay-chat-model.ts). Inlined when Next.js compiles, so no +// build for staging or production has it. +const REPLAY = process.env.NEXT_PUBLIC_CHAT_REPLAY === "1"; + export default function RootLayout({ children }: { children: ReactNode }) { return ( @@ -33,14 +38,21 @@ export default function RootLayout({ children }: { children: ReactNode }) { {site.name} - +
+ {REPLAY && ( +

+ Replaying recorded answers +

+ )} + +
= { + AI_PROVIDER: ["fake"], + AI_CHAT_PROVIDER: ["fake", "replay"], +}; /** The real provider's settings, allowed in one file only. */ const PROVIDER_KEY_VARIABLES = [ @@ -93,11 +95,11 @@ export function checkEnvironment( for (const [variable, allowed] of Object.entries(ADAPTER_VARIABLES)) { const value = values[variable]; - if (value && value !== allowed) { + if (value && !allowed.includes(value)) { problems.push({ source: name, variable, - reason: `is "${shown(value)}". Only the "${allowed}" adapter runs on this machine; the real chat model runs through \`npm run dev:real\`.`, + reason: `is "${shown(value)}". Only the ${allowed.map((adapter) => `"${adapter}"`).join(" or ")} adapter runs on this machine; the real chat model runs through \`npm run dev:real\`.`, }); } } diff --git a/src/server/AGENTS.md b/src/server/AGENTS.md index 0f62f35..ea93eeb 100644 --- a/src/server/AGENTS.md +++ b/src/server/AGENTS.md @@ -27,6 +27,14 @@ Versions: `ai` 7.0.143, `@ai-sdk/openai-compatible` 3.0.71 and `@ai-sdk/react` 4 - **Cloudflare's refusals in the browser:** `describeError` reads the last error inside the SDK's `RetryError`. `QuotaExceededError` becomes `QUOTA_USED_UP`, and any other 429 the retries didn't get past becomes `DEMO_BUSY` (both in `src/lib/chat.ts`). The browser recognises both by those exact words (`src/features/AGENTS.md`), so change them only there. - **Reasoning:** gpt-oss streams its reasoning, and `toUIMessageStream` sends reasoning to the browser by default. `sendReasoning: false` keeps it on the server, so it never comes back with later messages either. +## Replayed answers (`ai/replay-chat-model.ts`, `ai/replays.ts`) +`npm run dev:replay` (slice 22) runs the dev server with `AI_CHAT_PROVIDER=replay` and `NEXT_PUBLIC_CHAT_REPLAY=1`, the header's "Replaying recorded answers" (`scripts/dev-replay.ts`, like `dev-real.ts`). It reads no token and sends nothing to Cloudflare; the environment guard allows "replay" for `AI_CHAT_PROVIDER` only, and `AI_PROVIDER` stays "fake", so the search keeps the fake embedder. +- **The copy:** `npm run replays:copy -- --from ` reads the measurement's records (git-ignored, so only the main checkout has them; from a worktree, pass the main checkout's folder) and writes `ai/replays.json`: per request, `REPLAYS_PER_REQUEST` counted runs without refusals or failed calls, those whose last call wrote words first, then by run. Each keeps the request's words (from `measurement/requests.ts`), the UTC day and every call's parts and `durationMs`, without `response-metadata` (Cloudflare's id and headers), the usage's `raw` and `providerMetadata`; a part of a type it doesn't know stops the copy. Each tool call gets the id `replay:-::`. The copy of 2026-10-21 holds 18 runs of the baseline (prompt version 3). +- **Picking:** the first call of an answer compares the visitor's latest message with the recordings' words (NFC, lowercase, spaces collapsed) and gives that request's recordings out in turn, per server process (`picks`). Later calls find the recording by the answer's replayed tool call ids and play the next recorded call, so a search or save that ran here differently doesn't change what's replayed. An answer that began on the fallback stays on it; one whose recording has no calls left goes on with it. +- **Pacing:** each recorded reply arrives whole after its `durationMs` divided by `REPLAY_SPEED` (1 by default; the end-to-end tests use 100), as `simulateStreamingMiddleware` delivers Cloudflare's. A stop during the wait rejects with the signal's reason. Any other message gets the scripted fake with no delay between parts, after a recorded duration picked by the prompt's length. +- **What it can't show:** the searches return local passages, while the replayed words were written about staging's; a save's check runs here on the recorded statements. The check-in ("… looks right. Please draft …") has no recording, so it gets the fallback. The tools' budget and the prompt are today's, so a recording made under another setup may call a tool the chat no longer offers, and the SDK refuses it as it would the real model's. +- **Never in a deployment:** `loadReplays` reads the file at run time from `process.cwd()` with `turbopackIgnore`, so builds neither trace the project for it nor carry it (the build's own warning, 2026-10-21), and `NEXT_PUBLIC_CHAT_REPLAY` is inlined only where it was set when Next.js compiled (Next.js, *Environment variables*, read 2026-10-21 through Context7). + ## The system prompt (`prompts/system-prompt.ts`) - **Source:** a copy of the toolkit's PRD prompt with the traceability rules of its research prompt, both at the toolkit's commit cb7956e (links in the file). The file's header says what was kept, changed and added; `docs/plan.md` (slice 4) lists the rules it must hold. - **Versions:** any change to the text, even a comma, gets the next `version` and its SHA-256 fingerprint in `FINGERPRINTS` (`tests/unit/system-prompt.test.ts`). The test fails until both are there; earlier fingerprints stay, so no number is used twice. Version 4 moved the tools' wording into this file and repeated the writing rules there; it saved nothing on staging (2026-10-18), so the prompt went back to version 3. The owner tries a new version on staging before it ships; it's measured against the baseline first (*Judging the model's behaviour*, below), the measurement doesn't block launch, and since 2026-10-19 a reworded prompt is a measured change like any other (`docs/decisions.md`). diff --git a/src/server/ai/fake-chat-model.ts b/src/server/ai/fake-chat-model.ts index 9222a77..d9c08d8 100644 --- a/src/server/ai/fake-chat-model.ts +++ b/src/server/ai/fake-chat-model.ts @@ -152,7 +152,7 @@ export function createFakeChatModel({ type PromptMessage = ChatModelCall["prompt"][number]; /** The visitor's latest message, as they wrote it. */ -function lastVisitorMessage(call: ChatModelCall): string { +export function lastVisitorMessage(call: ChatModelCall): string { const message = call.prompt.findLast( (entry): entry is Extract => entry.role === "user", diff --git a/src/server/ai/providers.ts b/src/server/ai/providers.ts index 8a5af3b..2717f11 100644 --- a/src/server/ai/providers.ts +++ b/src/server/ai/providers.ts @@ -7,22 +7,29 @@ import type { ChatModel } from "./chat-model.ts"; import type { Embedder } from "./embedder.ts"; import { createFakeChatModel } from "./fake-chat-model.ts"; import { createFakeEmbedder } from "./fake-embedder.ts"; +import { createReplayChatModel, loadReplays } from "./replay-chat-model.ts"; // AI_PROVIDER picks the implementation: "fake" on development machines and in // CI, "cloudflare" on staging and production. AI_CHAT_PROVIDER, when set, picks // the chat model's on its own, so `npm run dev:real` can run the chat on the -// real model while the search keeps the fake embedder. Anything else is an -// error, so a typo can't quietly fall back to a provider nobody chose. +// real model while the search keeps the fake embedder, and `npm run +// dev:replay` on the real model's recorded answers ("replay", chat only). +// Anything else is an error, so a typo can't quietly fall back to a provider +// nobody chose. export const AI_PROVIDERS = ["fake", "cloudflare"] as const; export type AiProvider = (typeof AI_PROVIDERS)[number]; +export const CHAT_PROVIDERS = [...AI_PROVIDERS, "replay"] as const; + export type ProviderSettings = { provider: string | undefined; /** The chat model's provider, when it differs from `provider`. */ chatProvider?: string | undefined; cloudflareAccountId?: string | undefined; cloudflareApiToken?: string | undefined; + /** How many times faster than recorded the replay runs. */ + replaySpeed?: number | undefined; }; export function createEmbedder(settings: ProviderSettings): Embedder { @@ -43,13 +50,18 @@ export function createChatModel(settings: ProviderSettings): ChatModel { return createFakeChatModel(); case "cloudflare": return createCloudflareChatModel(requireCloudflare(settings)); + case "replay": + if (settings.chatProvider === "replay") { + return createReplayChatModel({ + replays: loadReplays(), + speed: settings.replaySpeed, + }); + } + throw unknownProvider(chosen); default: - throw unknownProvider( - chosen, - settings.chatProvider === undefined - ? "AI_PROVIDER" - : "AI_CHAT_PROVIDER", - ); + throw settings.chatProvider === undefined + ? unknownProvider(chosen) + : unknownProvider(chosen, "AI_CHAT_PROVIDER", CHAT_PROVIDERS); } } @@ -72,8 +84,9 @@ function requireCloudflare({ function unknownProvider( provider: string | undefined, variable = "AI_PROVIDER", + known: readonly string[] = AI_PROVIDERS, ): Error { return new Error( - `Unknown ${variable} "${provider ?? ""}". Use one of: ${AI_PROVIDERS.join(", ")}.`, + `Unknown ${variable} "${provider ?? ""}". Use one of: ${known.join(", ")}.`, ); } diff --git a/src/server/ai/replay-chat-model.ts b/src/server/ai/replay-chat-model.ts new file mode 100644 index 0000000..f81b0ab --- /dev/null +++ b/src/server/ai/replay-chat-model.ts @@ -0,0 +1,176 @@ +import { readFileSync } from "node:fs"; +import { join } from "node:path"; +import type { + ChatModel, + ChatModelCall, + ChatModelStreamPart, +} from "./chat-model.ts"; +import { createFakeChatModel, lastVisitorMessage } from "./fake-chat-model.ts"; +import { + normalizedWords, + recordingOfCallId, + REPLAYS_FILE, + type Recording, + type Replays, +} from "./replays.ts"; + +// The chat model of `npm run dev:replay` (docs/plan.md, slice 22): the real +// model's recorded answers, replayed here for free and without the token. A +// visitor's message with a recorded request's words gets one of its +// recordings, in turn: each model call's parts as recorded, whole, after +// that call's recorded duration, as Cloudflare's whole replies arrive. The +// searches and saves it calls still run here, on the local database and the +// fake embedder. Any other message gets the scripted fake's answer, also +// whole and after a wait the recordings show, so the interface keeps the +// real model's rhythm. + +export const REPLAY_CHAT_MODEL = "replayed-recordings"; + +/** The recordings already given out in this server process, by words. */ +const pickedInThisProcess = new Map(); + +export type ReplayChatModelOptions = { + replays: Replays; + /** How many times faster than recorded: 1 replays the real waits. */ + speed?: number; + /** How many of each request's recordings were given out. Tests pass their own. */ + picks?: Map; + /** The model for messages nothing was recorded for. */ + fallback?: ChatModel; +}; + +export function createReplayChatModel({ + replays, + speed = 1, + picks = pickedInThisProcess, + fallback = createFakeChatModel({ chunkDelayInMs: 0 }), +}: ReplayChatModelOptions): ChatModel { + const { recordings } = replays; + const durations = recordings.flatMap((recording) => + recording.calls.map((call) => call.durationMs), + ); + + /** The recording this call continues, or the next one for its words. */ + function recordingFor(call: ChatModelCall): Recording | undefined { + const answerSoFar = sinceLastVisitorMessage(call); + const replayed = answerSoFar + .flatMap((message) => + message.role === "assistant" ? message.content : [], + ) + .flatMap((part) => + part.type === "tool-call" ? [recordingOfCallId(part.toolCallId)] : [], + ) + .find((id) => id !== undefined); + if (replayed !== undefined) { + return recordings.find((recording) => recording.id === replayed); + } + // An answer that started on the fallback stays on it. + if (answerSoFar.some((message) => message.role === "assistant")) { + return undefined; + } + + const words = normalizedWords(lastVisitorMessage(call)); + const recorded = recordings.filter( + (recording) => normalizedWords(recording.words) === words, + ); + if (recorded.length === 0) return undefined; + const picked = picks.get(words) ?? 0; + picks.set(words, picked + 1); + return recorded[picked % recorded.length]; + } + + return { + specificationVersion: "v4", + provider: "replay", + modelId: REPLAY_CHAT_MODEL, + supportedUrls: {}, + + async doGenerate() { + throw new Error("The replay only streams: use streamText."); + }, + + async doStream(call) { + const recording = recordingFor(call); + const index = callsSoFar(call); + const recorded = recording?.calls[index]; + + if (recorded) { + await wait(recorded.durationMs / speed, call.abortSignal); + return { stream: wholeReply(recorded.parts) }; + } + + // Waits the recordings show, picked by the conversation's length so a + // reload replays the same rhythm. + const pause = + durations.length === 0 + ? 0 + : (durations[call.prompt.length % durations.length] ?? 0); + await wait(pause / speed, call.abortSignal); + return fallback.doStream(call); + }, + }; +} + +type PromptMessage = ChatModelCall["prompt"][number]; + +/** This answer's messages so far: its calls and their tools' results. */ +function sinceLastVisitorMessage(call: ChatModelCall): PromptMessage[] { + const last = call.prompt.findLastIndex((message) => message.role === "user"); + return call.prompt.slice(last + 1); +} + +/** How many model calls this answer has made before this one. */ +function callsSoFar(call: ChatModelCall): number { + return sinceLastVisitorMessage(call).filter( + (message) => message.role === "assistant", + ).length; +} + +/** Resolves after the pause, or rejects as soon as the visitor stops. */ +function wait(ms: number, signal: AbortSignal | undefined): Promise { + return new Promise((resolve, reject) => { + if (signal?.aborted) { + reject(signal.reason); + return; + } + const timer = setTimeout(() => { + signal?.removeEventListener("abort", stop); + resolve(); + }, ms); + function stop() { + clearTimeout(timer); + reject(signal?.reason); + } + signal?.addEventListener("abort", stop, { once: true }); + }); +} + +/** The whole reply at once, as Cloudflare's arrives. */ +function wholeReply( + parts: ChatModelStreamPart[], +): ReadableStream { + return new ReadableStream({ + start(controller) { + for (const part of parts) controller.enqueue(structuredClone(part)); + controller.close(); + }, + }); +} + +let loaded: Replays | undefined; + +/** + * The copied recordings (`npm run replays:copy`), read once per process from + * the project's folder, where `dev:replay` and the end-to-end tests run. The + * build leaves the file out (`turbopackIgnore`, as its warning advised on + * 2026-10-21), so no deployment carries it or traces the project for it. + */ +export function loadReplays(): Replays { + loaded ??= JSON.parse( + readFileSync( + join(/*turbopackIgnore: true*/ process.cwd(), REPLAYS_FILE), + "utf8", + ), + ) as Replays; + return loaded; +} diff --git a/src/server/ai/replays.json b/src/server/ai/replays.json new file mode 100644 index 0000000..b8d30b3 --- /dev/null +++ b/src/server/ai/replays.json @@ -0,0 +1,3272 @@ +{ + "format": 1, + "measurement": "baseline", + "recordings": [ + { + "id": "A-3", + "recordedOn": "2026-10-19", + "words": "Draft the first section.", + "calls": [ + { + "durationMs": 1716, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We need to draft Introduction / Overview. Must search interviews for relevant content. Need to gather what interviewees said about the need for a shared grocery list app, context, problems. Use searchNotes.\n\nWe'll search for \"shared grocery list\"" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:A-3:1:0", + "toolName": "searchNotes", + "input": "{\"query\": \"shared grocery list app\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 1904, + "noCache": 1904, + "cacheRead": 0 + }, + "outputTokens": { + "total": 79, + "text": 79, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 2040, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We have some relevant statements. Also need overall context: why need app, current pain points. Let's search for \"pain points grocery list\"" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:A-3:2:0", + "toolName": "searchNotes", + "input": "{\"query\": \"pain points with grocery shopping\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2400, + "noCache": 2400, + "cacheRead": 0 + }, + "outputTokens": { + "total": 56, + "text": 56, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 1462, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "Also need overall introduction: purpose, description. Let's search for \"describe the households\" maybe \"how many people\"." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:A-3:3:0", + "toolName": "searchNotes", + "input": "{\"query\": \"household composition\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2860, + "noCache": 2860, + "cacheRead": 0 + }, + "outputTokens": { + "total": 48, + "text": 48, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 2072, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We may need to describe households: six households, each with various members. Let's search for \"who lives with you\"" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:A-3:4:0", + "toolName": "searchNotes", + "input": "{\"query\": \"who lives with you\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3211, + "noCache": 3211, + "cacheRead": 0 + }, + "outputTokens": { + "total": 50, + "text": 50, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 31079, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We cannot call searchNotes again; we have used three searches already. Actually we used three searches: first for \"shared grocery list app\", second for \"pain points\", third for \"household composition\". That's three uses, now tool disabled.\n\nThus we must draft Introduction / Overview using these passages. We need to cite each statement.\n\nWe need to list the six households, but we have limited info. We have interviewees: Maya, Lena, Sofia, Daan, Ravi, and maybe Tom? Actually Tom appears but not interviewed. Interviewees: Maya, Lena, Sofia, Daan, Ravi, plus maybe others? Search results show Maya, Lena, Sofia, Daan, Ravi. That's five. There should be six households; maybe some interviewees represent households. Could be each interviewee is a household head. We'll state that six households were interviewed, each represented by an interviewee (Maya, Lena, Sofia, Daan, Ravi, and one not captured in passages). Since we have no passage for the sixth, we must note that none of the passages provide details about that household. But we cannot invent. We can state \"six households were interviewed; five provided specific insights captured in the passages\" and cite that we have five interviewees. But need citation for number six? Not present. Could state \"The research included six households; interview excerpts below represent five of them (Maya, Lena, Sofia, Daan, Ravi) as captured in the interview records.\" Need citation for the fact of six households. Not in passages. The prompt says \"The researcher interviewed six households about a shared household grocery list app.\" That's part of the scenario, not an interview passage. We can cite that as context, but must we cite? Could cite the scenario description, but not a passage. Might treat it as given, not need citation. But the rule: Every statement cites at least one source, except in Open Questions / Future Considerations. This is a statement about the research design, which is given in the prompt, not a passage. We could cite \"scenario\" but not allowed. Probably we need to cite the scenario as source? The instruction says citations are passage id or \"chat\". The scenario is not a passage. Might be okay to have a statement without citation? It says every statement cites at least one source, except Open Questions. So we need a source. Could cite \"chat\" if we say \"The product manager confirmed that six households were interviewed.\" But not yet. We could ask clarification, but we are drafting first section now. Maybe we can phrase introduction without needing to state number of households, just summarise insights. That avoids need for citation. We can say \"Interviews with multiple households revealed common challenges...\" without specifying count. That's fine.\n\nWe need to include citations for each insight.\n\nLet's draft statements:\n\n1. The app aims to support shared grocery shopping among co‑habiting household members. (Interpretation: based on multiple interview excerpts expressing need for shared list) Cite multiple passages.\n\n2. Households currently use paper lists or ad‑hoc tools, leading to duplicated purchases, missed items, and inefficient store navigation. Cite Maya-2, Maya-4, Daan-6, Lena-1.\n\n3. Real‑time synchronization is critical; users expect immediate visibility of items added by others. Cite Maya-3, Maya-4.\n\n4. Users want notifications for new items at the moment they are added, especially when they are en route to the store. Cite Maya-3.\n\n5. The list should support categorisation by store sections to streamline shopping routes. Cite Ravi-3, Daan-6.\n\n6. Privacy separation is needed: personal items should be kept distinct from shared household items. Cite Sofia-4, Lena-2.\n\n7. Tracking who purchased each shared item could reduce payment reconciliation disputes, though this may be a separate feature. Cite Sofia-3.\n\n8. Simplicity is essential; the app must be easy to learn and use for users with varying schedules and tech comfort. Cite Lena-6.\n\nWe'll need citations: each passage id and exact quote. Let's extract exact quotes from passages.\n\nFrom Maya-3: quote: \"The moment one of us puts something on it, the other should know. Honestly, I want a notification for every item someone adds.\"\n\nFrom Maya-4: quote: \"When I tick something off, it has to disappear from Tom's list straight away, so he doesn't buy it too.\"\n\nFrom Maya-2: quote: \"We buy things twice. Last month we ended up with three bags of rice, because we both saw the message and both stopped at a shop.\"\n\nFrom Daan-6: quote: \"Same route every week: vegetables, bread, dairy, then the long aisle with tins and pasta, then cleaning products. The paper list is in random order, so I'm walking back and forth.\"\n\nFrom Lena-1: quote: \"Milo has two homes. Some things need to be at both, like his toothpaste and the one cereal he'll actually eat, and some things travel with him.\"\n\nFrom Lena-6: quote: \"If it got complicated. My shifts change every week, and I don't have time to learn a tool.\"\n\nFrom Ravi-3: quote: \"By section of the shop, otherwise it's chaos: fruit and veg, then the fridge, then dry goods, then household.\"\n\nFrom Sofia-4: quote: \"No. My own shopping is my business. I'd want my personal items somewhere the house can't see, or at least clearly apart from the shared things.\"\n\nFrom Sofia-3: quote: \"We keep a spreadsheet of who paid for shared stuff and settle up once a month. Honestly, it's the most annoying part of living together. If the list remembered who bought what, it would save a lot of arguing.\"\n\nFrom Lena-2: quote: \"Bas, for Milo's things. My mother, because she picks Milo up and often stops at the shop on the way. But I don't want Bas to see my whole shopping list.\"\n\nWe have enough.\n\nNow draft section with statements and citations.\n\nWe'll need to call saveSection with section \"Introduction / Overview\" and statements array.\n\n" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:A-3:5:0", + "toolName": "saveSection", + "input": "{\"section\": \"Introduction / Overview\", \"statements\": [{\"text\": \"The app is intended to enable co\\u2011habiting household members to maintain a single, shared grocery list that reflects real\\u2011time additions and deletions.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"The moment one of us puts something on it, the other should know. Honestly, I want a notification for every item someone adds.\"}, {\"source\": \"maya-4\", \"quote\": \"When I tick something off, it has to disappear from Tom's list straight away, so he doesn't buy it too.\"}]}, {\"text\": \"Current practices (paper lists, separate personal lists) lead to duplicated purchases, missed items, and inefficient navigation through the store.\", \"citations\": [{\"source\": \"maya-2\", \"quote\": \"We buy things twice. Last month we ended up with three bags of rice, because we both saw the message and both stopped at a shop.\"}, {\"source\": \"maya-4\", \"quote\": \"When I tick something off, it has to disappear from Tom's list straight away, so he doesn't buy it too.\"}, {\"source\": \"daan-6\", \"quote\": \"The paper list is in random order, so I'm walking back and forth.\"}, {\"source\": \"lena-1\", \"quote\": \"Bas and I each keep our own list, so we both buy the swimming goggles, or neither of us does.\"}]}, {\"text\": \"Real\\u2011time synchronization and instant notifications are critical; users expect to be alerted the moment an item is added, especially while en route to the store.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"I want a notification for every item someone adds.\"}, {\"source\": \"maya-4\", \"quote\": \"When I tick something off, it has to disappear from Tom's list straight away\"}]}, {\"text\": \"Organising the list by store sections (e.g., produce, dairy, dry goods, household) helps users follow a consistent shopping route and reduces back\\u2011tracking.\", \"citations\": [{\"source\": \"ravi-3\", \"quote\": \"By section of the shop, otherwise it's chaos: fruit and veg, then the fridge, then dry goods, then household.\"}, {\"source\": \"daan-6\", \"quote\": \"Same route every week: vegetables, bread, dairy, then the long aisle with tins and pasta, then cleaning products.\"}]}, {\"text\": \"Privacy separation is required; personal items should be kept distinct from shared household items.\", \"citations\": [{\"source\": \"sofia-4\", \"quote\": \"No. My own shopping is my business. I'd want my personal items somewhere the house can't see, or at least clearly apart from the shared things.\"}, {\"source\": \"lena-2\", \"quote\": \"I don't want Bas to see my whole shopping list.\"}]}, {\"text\": \"Recording who purchased each shared item could streamline monthly settlement of shared expenses, though it may be scoped as a separate feature.\", \"citations\": [{\"source\": \"sofia-3\", \"quote\": \"If the list remembered who bought what, it would save a lot of arguing.\"}]}, {\"text\": \"Simplicity and low learning curve are essential; the app must accommodate users with irregular schedules and limited time to learn new tools.\", \"citations\": [{\"source\": \"lena-6\", \"quote\": \"If it got complicated. My shifts change every week, and I don't have time to learn a tool.\"}]}]}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3296, + "noCache": 3296, + "cacheRead": 0 + }, + "outputTokens": { + "total": 2159, + "text": 2159, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 1549, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "text-start", + "id": "0" + }, + { + "type": "text-delta", + "id": "0", + "delta": "**Introduction / Overview** – saved. \n\nDoes this capture the core context you want? If so, shall we move on to **Goals / Objectives**?" + }, + { + "type": "text-end", + "id": "0" + }, + { + "type": "finish", + "finishReason": { + "unified": "stop", + "raw": "stop" + }, + "usage": { + "inputTokens": { + "total": 5005, + "noCache": 5005, + "cacheRead": 0 + }, + "outputTokens": { + "total": 36, + "text": 36, + "reasoning": 0 + } + } + } + ] + } + ] + }, + { + "id": "A-5", + "recordedOn": "2026-10-20", + "words": "Draft the first section.", + "calls": [ + { + "durationMs": 1583, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We need to draft Introduction / Overview. Must search the interviews for relevant content. Need to find statements about what the shared household grocery list app is, purpose, context. We have six households interviewed. We need to search.\n\nLet's search: \"What is the main purpose of a shared household grocery list app\"" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:A-5:1:0", + "toolName": "searchNotes", + "input": "{\"query\": \"purpose of a shared household grocery list app\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 1904, + "noCache": 1904, + "cacheRead": 0 + }, + "outputTokens": { + "total": 97, + "text": 97, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 3492, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We have some relevant statements. Need to draft introduction overview: description of product, context, problem statement, maybe summary of insights.\n\nWe need citations for each statement, referencing passage IDs and exact quotes.\n\nWe must ensure each statement has at least one citation. Use multiple citations if needed.\n\nLet's draft statements:\n\n1. The app is a shared household grocery list that allows multiple members to add items and stay informed. Cite maya-3: \"The moment one of us puts something on it, the other should know. Honestly, I want a notification for every item someone adds.\"\n\n2. It aims to reduce friction in coordinating purchases and settling expenses among housemates. Cite sofia-3: \"We keep a spreadsheet of who paid for shared stuff and settle up once a month. ... If the list remembered who bought what, it would save a lot of arguing.\"\n\n3. Simplicity is critical; the app must be easy to adopt for users with varying schedules and tech comfort. Cite lena-6: \"If it got complicated... I'd stop using it, and then the shared list is useless.\"\n\n4. The app should differentiate between shared items and personal items, allowing privacy. Cite sofia-4: \"No. My own shopping is my business. I'd want my personal items somewhere the house can't see, or at least clearly apart from the shared things.\"\n\n5. Notification preferences need to be configurable to avoid overload, especially in larger households. Cite daan-5: \"Not as they come in... I'd have it off my phone by the weekend... We tried an app that sent a notification each time anything was added, and I uninstalled it after two days.\"\n\nWe also may include overall context: six households were interviewed to understand needs.\n\nLet's cite that we have six households. Need a passage that mentions number of households? Not in the search. Could search \"six households\"" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:A-5:2:0", + "toolName": "searchNotes", + "input": "{\"query\": \"six households interviewed\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2428, + "noCache": 2428, + "cacheRead": 0 + }, + "outputTokens": { + "total": 406, + "text": 406, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 3488, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "No explicit mention of six households. The prompt says six households were interviewed, that's known context from the problem description, not from a passage. We cannot cite that as interview quote. However we could state \"Based on interviews with six households\" - that is from the prompt, not interview. Should we cite \"chat\"? The product manager hasn't said that. The prompt says \"The researcher interviewed six households\". That's not a passage from interview, but it's background. The rule: \"Every statement cites at least one source, except in Open Questions / Future Considerations.\" Does that mean we must cite a source for each statement. The source can be the prompt? It says source is passage id or \"chat\". The prompt is not a passage. Might be acceptable to cite \"chat\" if we say \"Based on the researcher's interviews with six households\" and we could cite \"chat\" with quote: \"The researcher interviewed six households\". That is from the prompt, not from a chat message. Not sure allowed. Probably we can cite \"chat\" with that statement we just typed earlier? The product manager hasn't said that. We might need to ask for clarification. But we can include a statement without citation? It says every statement cites at least one source, except in Open Questions. So we need a citation. We could search for a passage that mentions number of households. Might be not present. Could search \"how many households\" but likely not. Let's search \"household\" and see if any mention of number." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:A-5:3:0", + "toolName": "searchNotes", + "input": "{\"query\": \"how many households\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3262, + "noCache": 3262, + "cacheRead": 0 + }, + "outputTokens": { + "total": 332, + "text": 332, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 15912, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "No mention. So we might need to state \"Based on six household interviews (as described in the project brief)\" and cite \"chat\" with a quote we can add: \"The researcher interviewed six households\". But we haven't said that yet. Could we add as a statement with citation \"chat\" quoting the prompt? The prompt is not a chat message. The product manager hasn't said that. Possibly we can treat the description as known context, but rule says source must be passage id or \"chat\". Might be acceptable to cite \"chat\" with the product manager's own words if they mention the six households. Since they haven't, we might need to ask for clarification. But the instruction says we must draft section without asking first. However we could include a statement without citation? Not allowed. Maybe we can phrase the introduction without stating number of households, just refer to \"interviews with households\". That is still a statement about source, but we can cite a passage that indicates it's from multiple households (e.g., multiple interviewees). Could cite multiple passages to support that the insights come from several households. For example, we have statements from Maya, Sofia, Lena, Daan. That demonstrates multiple households. We can say \"Insights gathered from interviews with multiple households\" and cite multiple passages.\n\nThus we can avoid needing a specific number.\n\nLet's draft statements:\n\n- \"This document outlines the product vision for a shared household grocery list app, informed by interviews with several households.\" Cite multiple passages: maya-3, sofia-3, lena-6, daan-5.\n\nNow we need to save section using saveSection.\n\n" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:A-5:4:0", + "toolName": "saveSection", + "input": "{\"section\": \"Introduction / Overview\", \"statements\": [{\"text\": \"This document outlines the product vision for a shared household grocery list app, informed by interviews with several households.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"The moment one of us puts something on it, the other should know. Honestly, I want a notification for every item someone adds.\"}, {\"source\": \"sofia-3\", \"quote\": \"We keep a spreadsheet of who paid for shared stuff and settle up once a month. Honestly, it's the most annoying part of living together.\"}, {\"source\": \"lena-6\", \"quote\": \"If it got complicated. My shifts change every week, and I don't have time to learn a tool.\"}, {\"source\": \"daan-5\", \"quote\": \"Not as they come in. A buzz for every item, with three kids adding things? I'd have it off my phone by the weekend.\"}]}, {\"text\": \"The app enables multiple household members to add items to a common list and stay informed about additions in real time.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"The moment one of us puts something on it, the other should know. Honestly, I want a notification for every item someone adds.\"}]}, {\"text\": \"It seeks to reduce friction in coordinating purchases and settling shared expenses among housemates.\", \"citations\": [{\"source\": \"sofia-3\", \"quote\": \"If the list remembered who bought what, it would save a lot of arguing.\"}]}, {\"text\": \"Simplicity is critical; the app must be easy to adopt for users with varying schedules and limited time to learn new tools.\", \"citations\": [{\"source\": \"lena-6\", \"quote\": \"If it got complicated. My shifts change every week, and I don't have time to learn a tool.\"}]}, {\"text\": \"The app should allow users to separate personal items from shared items, preserving privacy for individual shopping needs.\", \"citations\": [{\"source\": \"sofia-4\", \"quote\": \"No. My own shopping is my business. I'd want my personal items somewhere the house can't see, or at least clearly apart from the shared things.\"}]}, {\"text\": \"Notification preferences need to be configurable to avoid overload, especially in larger households with many contributors.\", \"citations\": [{\"source\": \"daan-5\", \"quote\": \"We tried an app that sent a notification each time anything was added, and I uninstalled it after two days.\"}]}]}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3900, + "noCache": 3900, + "cacheRead": 0 + }, + "outputTokens": { + "total": 943, + "text": 943, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 3202, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "text-start", + "id": "0" + }, + { + "type": "text-delta", + "id": "0", + "delta": "**Draft – Introduction / Overview**\n\n- This document outlines the product vision for a shared household grocery list app, informed by interviews with several households. \n *(maya‑3: “The moment one of us puts something on it, the other should know. Honestly, I want a notification for every item someone adds.”; sofia‑3: “We keep a spreadsheet of who paid for shared stuff and settle up once a month. Honestly, it's the most annoying part of living together.”; lena‑6: “If it got complicated. My shifts change every week, and I don't have time to learn a tool.”; daan‑5: “Not as they come in… I'd have it off my phone by the weekend.”)* \n\n- The app enables multiple household members to add items to a common list and stay informed about additions in real time. \n *(maya‑3: “The moment one of us puts something on it, the other should know. Honestly, I want a notification for every item someone adds.”)* \n\n- It seeks to reduce friction in coordinating purchases and settling shared expenses among housemates. \n *(sofia‑3: “If the list remembered who bought what, it would save a lot of arguing.”)* \n\n- Simplicity is critical; the app must be easy to adopt for users with varying schedules and limited time to learn new tools. \n *(lena‑6: “If it got complicated. My shifts change every week, and I don't have time to learn a tool.”)* \n\n- The app should allow users to separate personal items from shared items, preserving privacy for individual shopping needs. \n *(sofia‑4: “No. My own shopping is my business. I'd want my personal items somewhere the house can't see, or at least clearly apart from the shared things.”)* \n\n- Notification preferences need to be configurable to avoid overload, especially in larger households with many contributors. \n *(daan‑5: “We tried an app that sent a notification each time anything was added, and I uninstalled it after two days.”)* \n\n---\n\n**Does this capture the overview you were looking for?** If so, shall we move on to **Goals / Objectives**? If you need any changes, let me know and I’ll revise the section." + }, + { + "type": "text-end", + "id": "0" + }, + { + "type": "finish", + "finishReason": { + "unified": "stop", + "raw": "stop" + }, + "usage": { + "inputTokens": { + "total": 4484, + "noCache": 4484, + "cacheRead": 0 + }, + "outputTokens": { + "total": 475, + "text": 475, + "reasoning": 0 + } + } + } + ] + } + ] + }, + { + "id": "A-1", + "recordedOn": "2026-10-19", + "words": "Draft the first section.", + "calls": [ + { + "durationMs": 2376, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We need to draft Introduction / Overview. Need to search interviews for relevant info about the shared household grocery list app. What to search? Likely \"describe the current way households manage grocery lists\", \"pain points\", \"what they want in an app\". Let's search." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:A-1:1:0", + "toolName": "searchNotes", + "input": "{\"query\": \"how households currently share grocery lists and what they want in an app\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 1904, + "noCache": 1904, + "cacheRead": 0 + }, + "outputTokens": { + "total": 94, + "text": 94, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 1747, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We have some relevant info. Also need overall overview of app concept. Might need more about why they need it overall. Search for \"why would you use a shared grocery list app\"." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:A-1:2:0", + "toolName": "searchNotes", + "input": "{\"query\": \"why would you use a shared grocery list app\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2408, + "noCache": 2408, + "cacheRead": 0 + }, + "outputTokens": { + "total": 69, + "text": 69, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 20313, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We have enough for introduction: describe problem, need for shared grocery list, mention households, need for real-time notifications, separation of personal vs shared items, simplicity, sections, etc.\n\nNow draft Introduction / Overview statements, each with citations.\n\nWe need to cite each statement. Let's list statements:\n\n1. The product is a shared household grocery list app that enables multiple members of a household to add, view, and manage grocery items collaboratively. (source? maybe derived from multiple interviewees' description of wanting shared list. Could cite Maya-3 and Lena-6 for shared list concept.)\n\n2. Interviews with six households revealed that current methods (spreadsheets, handwritten notes) are cumbersome and lead to arguments over who bought what. Cite Sofia-3 for spreadsheet and paying. Also maybe mention lack of shared list.\n\n3. Users want real-time notifications when an item is added, but not excessive notifications; they desire timely alerts that fit their routine. Cite Maya-3 (notification desire) and Sofia-5 (too many notifications leads to uninstall).\n\n4. Users need ability to separate personal items from shared items, with privacy for personal shopping. Cite Sofia-4 and Lena-2.\n\n5. Simplicity and low learning curve are critical; if the app becomes complicated, users will abandon it. Cite Lena-6.\n\n6. Organizing items by store sections is a common need to reduce chaos. Cite Ravi-3.\n\n7. The app should support multiple shared lists (e.g., for specific family members like a child) while keeping other lists private. Cite Lena-2.\n\nAdd citation style: each statement with citations list.\n\nNow use saveSection.\n\n" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:A-1:3:0", + "toolName": "saveSection", + "input": "{\"section\": \"Introduction / Overview\", \"statements\": [{\"text\": \"The product is a shared household grocery list app that enables multiple members of a household to add, view, and manage grocery items collaboratively.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"If you had a shared list, how would you want it to work?\"}, {\"source\": \"lena-6\", \"quote\": \"What would make you stop using a list app?\"}]}, {\"text\": \"Interviews with six households revealed that current methods such as spreadsheets or handwritten notes are cumbersome and often lead to arguments over who paid for shared items.\", \"citations\": [{\"source\": \"sofia-3\", \"quote\": \"We keep a spreadsheet of who paid for shared stuff and settle up once a month.\"}, {\"source\": \"sofia-5\", \"quote\": \"We tried one last year. Five people adding stuff all day, and it sent a notification for every single item.\"}]}, {\"text\": \"Users want real\\u2011time notifications when an item is added, but they consider excessive notifications a nuisance and will abandon the app if alerts are too frequent.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"I want a notification for every item someone adds... I want my phone to tell me right then.\"}, {\"source\": \"sofia-5\", \"quote\": \"If an app notifies me every time someone adds something, I uninstall it.\"}]}, {\"text\": \"The ability to keep personal shopping items separate and hidden from the shared list is important for privacy and to avoid clutter.\", \"citations\": [{\"source\": \"sofia-4\", \"quote\": \"I would want my personal items somewhere the house can't see, or at least clearly apart from the shared things.\"}, {\"source\": \"lena-2\", \"quote\": \"I don't want Bas to see my whole shopping list. I'd want one list for Milo's things that the three of us share, and my own list that's just mine.\"}]}, {\"text\": \"Simplicity and a low learning curve are critical; if the app becomes complicated, users will stop using it.\", \"citations\": [{\"source\": \"lena-6\", \"quote\": \"If it got complicated... I don't have time to learn a tool.\"}]}, {\"text\": \"Organising items by store sections (e.g., fruit, fridge, dry goods) helps reduce chaos and aligns with how households already think about shopping.\", \"citations\": [{\"source\": \"ravi-3\", \"quote\": \"By section of the shop, otherwise it's chaos: fruit and veg, then the fridge, then dry goods, then household.\"}]}, {\"text\": \"Supporting multiple shared lists (e.g., a list for a child\\u2019s items) while keeping other lists private meets the need for both collective and individual shopping management.\", \"citations\": [{\"source\": \"lena-2\", \"quote\": \"I want one list for Milo's things that the three of us share, and my own list that's just mine.\"}]}]}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2898, + "noCache": 2898, + "cacheRead": 0 + }, + "outputTokens": { + "total": 1068, + "text": 1068, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 1478, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We have many unverified citations because we used the question text not the answer. Need to quote exact answer text. Let's retrieve correct passages.\n\nWe need exact quotes from answers.\n\nLet's open maya-3 again." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "finish", + "finishReason": { + "unified": "stop", + "raw": "stop" + }, + "usage": { + "inputTokens": { + "total": 3771, + "noCache": 3771, + "cacheRead": 0 + }, + "outputTokens": { + "total": 65, + "text": 65, + "reasoning": 0 + } + } + } + ] + } + ] + }, + { + "id": "B-3", + "recordedOn": "2026-10-20", + "words": "Please draft Functional Requirements. Start with how household members hear about items someone adds.", + "calls": [ + { + "durationMs": 1398, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We need to draft Functional Requirements section. First we need to search interviews for topic \"how household members hear about items someone adds\". Let's search." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:B-3:1:0", + "toolName": "searchNotes", + "input": "{\"query\": \"how do household members get notified when someone adds an item to the grocery list\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 1915, + "noCache": 1915, + "cacheRead": 0 + }, + "outputTokens": { + "total": 71, + "text": 71, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 14468, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We have relevant passages: maya-3 (wants notification for every item), daan-5 (doesn't want every item due to many kids, wants to look at list when about to shop), sofia-5 (same), henk-4 (wants ping for every item). So there is disagreement.\n\nWe need to draft functional requirements statements, each citing sources. We need to capture both perspectives: requirement for notification per item, and maybe a configurable notification setting.\n\nWe need to produce statements for functional requirements about how members hear about items added. Also possibly other functional requirements? The prompt says \"Start with how household members hear about items someone adds.\" So we can draft a set of functional requirements focusing on notification behavior.\n\nWe should list statements like:\n\n- The system shall provide real-time notifications to household members when a new item is added to the shared list. (citing Maya-3, Henk-4)\n- The system shall allow each household member to configure notification preferences, including the ability to receive a notification for each added item or to receive a summary notification at a chosen time. (citing Daan-5, Sofia-5, plus possibly product manager decision if needed). But the interview says they want not every item; they want to look at list before shopping. So we need to capture that as a requirement: configurable notifications.\n\nThus we need to draft functional requirements statements, each with citations. Use saveSection.\n\nWe need to ask any missing info? The statements are based on interview quotes. We have contradictory preferences, which we capture as requirement for configurable notifications. That is derived from interpretation. Since it's an interpretation, need to start with \"Interpretation:\" and cite passages. But we need to ensure each statement has citations. For interpreted statements we must start with \"Interpretation:\" and cite passages.\n\nWe can write:\n\n1. The app shall send a push notification to all household members immediately after an item is added to the shared list. (Maya-3, Henk-4)\n\n2. Interpretation: Because some interviewees (Daan-5, Sofia-5) expressed that receiving a notification for every item is overwhelming, the app shall provide a setting to customize notification frequency, allowing users to choose per-item alerts, batched daily summary, or no alerts until they open the list. (Interpretation: Daan-5, Sofia-5)\n\nWe need to cite the passages for each statement. For interpretation, we need to start with \"Interpretation:\" and then list citations.\n\nNow we need to save the section.\n\nProceed to saveSection with statements.\n\n" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:B-3:2:0", + "toolName": "saveSection", + "input": "{\"section\": \"Functional Requirements\", \"statements\": [{\"text\": \"The app shall send a push notification to all household members immediately after an item is added to the shared list.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"The moment one of us puts something on it, the other should know. Honestly, I want a notification for every item someone adds.\"}, {\"source\": \"henk-4\", \"quote\": \"I'd like my phone to ping me every time she puts something on the list. Every single item, yes.\"}]}, {\"text\": \"Interpretation: Because some interviewees expressed that receiving a notification for every item is overwhelming, the app shall provide a setting to customize notification frequency, allowing users to choose per-item alerts, batched daily summary, or no alerts until they open the list.\", \"citations\": [{\"source\": \"daan-5\", \"quote\": \"Not as they come in. A buzz for every item, with three kids adding things? I'd have it off my phone by the weekend.\"}, {\"source\": \"sofia-5\", \"quote\": \"If an app notifies me every time someone adds something, I uninstall it.\"}]}]}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2441, + "noCache": 2441, + "cacheRead": 0 + }, + "outputTokens": { + "total": 837, + "text": 837, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 4081, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "text-start", + "id": "0" + }, + { + "type": "text-delta", + "id": "0", + "delta": "**Functional Requirements – Notification of Added Items**\n\n- The app shall send a push notification to all household members immediately after an item is added to the shared list. (maya-3: “The moment one of us puts something on it, the other should know… I want a notification for every item someone adds.”; henk-4: “I’d like my phone to ping me every time she puts something on the list. Every single item, yes.”) \n- *Interpretation:* Because some interviewees expressed that receiving a notification for every item is overwhelming, the app shall provide a setting to customize notification frequency, allowing users to choose per‑item alerts, a batched daily summary, or no alerts until they open the list. (daan-5: “Not as they come in… I'd have it off my phone by the weekend.”; sofia-5: “If an app notifies me every time someone adds something, I uninstall it.”) \n\nPlease confirm these functional requirements or let me know any changes. Once approved, we can move on to the next section." + }, + { + "type": "text-end", + "id": "0" + }, + { + "type": "finish", + "finishReason": { + "unified": "stop", + "raw": "stop" + }, + "usage": { + "inputTokens": { + "total": 2883, + "noCache": 2883, + "cacheRead": 0 + }, + "outputTokens": { + "total": 225, + "text": 225, + "reasoning": 0 + } + } + } + ] + } + ] + }, + { + "id": "B-4", + "recordedOn": "2026-10-20", + "words": "Please draft Functional Requirements. Start with how household members hear about items someone adds.", + "calls": [ + { + "durationMs": 3275, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We need to draft Functional Requirements section, starting with how household members hear about items someone adds. Must search interviews for relevant content. Use searchNotes with query about notifications, hearing about items added, how members are informed. Then compile statements with citations. Need to ensure citations are exact quotes from interviewees. Then saveSection with \"Functional Requirements\". Let's search." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:B-4:1:0", + "toolName": "searchNotes", + "input": "{\"query\": \"how do household members know when someone adds an item to the grocery list\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 1915, + "noCache": 1915, + "cacheRead": 0 + }, + "outputTokens": { + "total": 113, + "text": 113, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 13583, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We have multiple views: Maya wants notification for every item; Daan says too many notifications, wants to check list when about to shop; Henk wants ping for every item; Sofia says too many notifications, uninstalls. So we have contradictory preferences.\n\nWe need to draft functional requirements about how household members hear about items added. Since there are differing preferences, we need to capture both possibilities: maybe configurable notification settings per user, per item, per frequency, etc. But we must not infer beyond interviews; we can interpret that there is need for customizable notifications. Interpretation statements allowed, but must start with \"Interpretation:\" and cite passages.\n\nFunctional Requirements statements need citations. For each statement we list text and citations. For interpretation we can include \"Interpretation:\" prefix.\n\nWe need to include statements like:\n\n- The system shall provide real-time notifications to household members when an item is added to the shared list. (citing Maya, Henk)\n- The system shall allow users to customize notification frequency (e.g., per item, batched, or silent) because some users find per-item notifications overwhelming. (Interpretation: citing Daan, Sofia)\n\nWe must ensure each statement's citations are exact quotes. For interpretation we need to cite passages. For direct requirement we can also cite.\n\nWe must not claim more than what is supported. The need for customization is derived from contradictory preferences; we can note as interpretation.\n\nNow we need to save the section. Let's craft statements.\n\nStatement 1: \"The app shall send a notification to each household member when another member adds an item to the shared grocery list.\" Cite Maya-3 and Henk-4.\n\nStatement 2: \"The notification shall be delivered instantly, so the member knows about the addition at the time it occurs.\" Cite Maya-3 (immediate) and Henk-4 (ping).\n\nStatement 3: \"The app shall allow each user to enable or disable per-item notifications, because some users expressed that receiving a notification for every added item is too noisy.\" This is interpretation, citing Daan-5 and Sofia-5.\n\nStatement 4: \"The app shall support alternative notification modes such as a daily summary or silent mode, to accommodate users who prefer checking the list only when they are about to shop.\" Interpretation citing Daan-5.\n\nPotential other functional aspects: maybe the notification can be push notification.\n\nBut the request is \"Start with how household members hear about items someone adds.\" So we can focus on that part; maybe later sections will include other functional requirements. For now we draft these statements.\n\nNow we need to call saveSection with these statements." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:B-4:2:0", + "toolName": "saveSection", + "input": "{\"section\": \"Functional Requirements\", \"statements\": [{\"text\": \"The app shall send a notification to each household member when another member adds an item to the shared grocery list.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"I want a notification for every item someone adds.\"}, {\"source\": \"henk-4\", \"quote\": \"I'd like my phone to ping me every time she puts something on the list.\"}]}, {\"text\": \"The notification shall be delivered instantly, so the member knows about the addition at the time it occurs.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"I want my phone to tell me right then, not when I happen to open the app at home.\"}, {\"source\": \"henk-4\", \"quote\": \"If it beeps, I look, and then I know to buy the coffee.\"}]}, {\"text\": \"Interpretation: The app shall allow each user to enable or disable per-item notifications, because some users expressed that receiving a notification for every added item is too noisy.\", \"citations\": [{\"source\": \"daan-5\", \"quote\": \"I uninstalled it after two days. I look at the list when I'm about to go shopping.\"}, {\"source\": \"sofia-5\", \"quote\": \"If an app notifies me every time someone adds something, I uninstall it.\"}]}, {\"text\": \"Interpretation: The app shall support alternative notification modes such as a daily summary or silent mode, to accommodate users who prefer checking the list only when they are about to shop.\", \"citations\": [{\"source\": \"daan-5\", \"quote\": \"I look at the list when I'm about to go shopping. That's when I need it.\"}]}]}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2498, + "noCache": 2498, + "cacheRead": 0 + }, + "outputTokens": { + "total": 996, + "text": 996, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 7151, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "text-start", + "id": "0" + }, + { + "type": "text-delta", + "id": "0", + "delta": "**Functional Requirements – Notification of Added Items**\n\n- The app shall send a notification to each household member when another member adds an item to the shared grocery list. (maya‑3: “I want a notification for every item someone adds.”; henk‑4: “I’d like my phone to ping me every time she puts something on the list.”) \n- The notification shall be delivered instantly, so the member knows about the addition at the time it occurs. (maya‑3: “I want my phone to tell me right then, not when I happen to open the app at home.”; henk‑4: “If it beeps, I look, and then I know to buy the coffee.”) \n- **Interpretation:** The app shall allow each user to enable or disable per‑item notifications, because some users expressed that receiving a notification for every added item is too noisy. (daan‑5: “I uninstalled it after two days… I look at the list when I’m about to go shopping.”; sofia‑5: “If an app notifies me every time someone adds something, I uninstall it.”) \n- **Interpretation:** The app shall support alternative notification modes such as a daily summary or silent mode, to accommodate users who prefer checking the list only when they are about to shop. (daan‑5: “I look at the list when I’m about to go shopping. That’s when I need it.”) \n\nThese statements constitute the first part of the **Functional Requirements** section, focusing on how household members become aware of items added by others. \n\n*Shall we proceed to the next functional requirement area, or would you like any adjustments to this draft?*" + }, + { + "type": "text-end", + "id": "0" + }, + { + "type": "finish", + "finishReason": { + "unified": "stop", + "raw": "stop" + }, + "usage": { + "inputTokens": { + "total": 3052, + "noCache": 3052, + "cacheRead": 0 + }, + "outputTokens": { + "total": 356, + "text": 356, + "reasoning": 0 + } + } + } + ] + } + ] + }, + { + "id": "B-5", + "recordedOn": "2026-10-20", + "words": "Please draft Functional Requirements. Start with how household members hear about items someone adds.", + "calls": [ + { + "durationMs": 1252, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We need to draft Functional Requirements section, focusing first on \"how household members hear about items someone adds\". Must base on interview data. We need to search the interviews for relevant passages about notifications, hearing about items added, shared list updates, etc.\n\nWe have three searches allowed per reply. We need to find passages that discuss how members are notified when someone adds an item. Let's search.\n\n" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:B-5:1:0", + "toolName": "searchNotes", + "input": "{\"query\": \"how do household members know when someone adds an item to the grocery list\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 1915, + "noCache": 1915, + "cacheRead": 0 + }, + "outputTokens": { + "total": 119, + "text": 119, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 22208, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We have multiple passages. The user wants functional requirements about how household members hear about items someone adds. We need to extract statements from interview passages.\n\nWe should draft functional requirements statements, each with citations.\n\nPotential functional requirements:\n\n- The system shall provide real-time notifications to all household members when any member adds an item to the shared list.\n- The notification shall be delivered to the member's mobile device (push notification) immediately after the item is added.\n- The system shall allow users to configure notification frequency (e.g., immediate per-item, batched, or off) due to possible overload.\n- The system shall support a \"quiet hours\" or \"batch notifications\" to mitigate notification fatigue.\n- The system shall show a visual indicator (badge) of new items if notifications are disabled.\n\nWe need to base on interview data: Maya wants notification for every item; Daan says not as they come in, wants off during weekend; Henk wants ping for every item; Sofia says they uninstalled due to too many notifications; Maya also wants immediate removal when item ticked off.\n\nThus we have contradictory preferences: some want immediate per-item; others want batched or disabled.\n\nWe must capture each view as separate statements, then note open question about notification granularity.\n\nWe must not infer beyond. So we need statements:\n\n- Requirement: The app shall send a notification to each household member when an item is added. (Supported by Maya, Henk). But also need to capture that some want off. So maybe requirement: The app shall support configurable notification settings per user, including immediate per-item, batched, or disabled.\n\nWe need to cite the passages.\n\nLet's capture:\n\n- \"Maya wants a notification for every item someone adds.\" (maya-3)\n- \"Henk wants phone to ping every time she puts something on the list.\" (henk-4)\n- \"Daan prefers not to be notified for each item; wants to check list when about to shop.\" (daan-5)\n- \"Sofia says they uninstalled because of per-item notifications; prefers less frequent.\" (sofia-5)\n\nThus functional requirements:\n\n1. The system shall provide real-time push notifications to all members when an item is added. (maya-3, henk-4)\n2. The system shall allow each user to customize notification preferences, including immediate per-item, batched (e.g., daily summary), or disabled. (daan-5, sofia-5)\n\nWe should also note that the requirement for immediate removal is about updating list, but that's not about hearing about items added; it's about removal. But may be included later.\n\nNow we need to save the section.\n\nWe must use saveSection with statements array. Each statement includes text and citations array with source and quote.\n\nLet's construct statements.\n\nStatement 1: \"The app shall deliver a push notification to each household member as soon as any member adds an item to the shared grocery list.\" citations: maya-3 with quote \"I want a notification for every item someone adds.\" and henk-4 with quote \"I'd like my phone to ping me every time she puts something on the list.\"\n\nStatement 2: \"Each user shall be able to set their own notification preference, choosing between immediate per‑item alerts, batched summaries, or disabling notifications entirely.\" citations: daan-5 quote \"I look at the list when I'm about to go shopping. That's when I need it.\" and sofia-5 quote \"If an app notifies me every time someone adds something, I uninstall it.\"\n\nWe might need a third statement about ability to mute notifications during weekends, but that's part of preference. Could be covered by same.\n\nBut we can add a statement: \"The app shall allow users to define quiet periods (e.g., weekends) during which notifications are suppressed or batched.\" Cite daan-5 (mention weekend) and maybe not directly but we have \"I’d have it off my phone by the weekend.\" We'll use that.\n\nNow we need to saveSection.\n\n" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:B-5:2:0", + "toolName": "saveSection", + "input": "{\"section\": \"Functional Requirements\", \"statements\": [{\"text\": \"The app shall deliver a push notification to each household member as soon as any member adds an item to the shared grocery list.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"I want a notification for every item someone adds.\"}, {\"source\": \"henk-4\", \"quote\": \"I'd like my phone to ping me every time she puts something on the list.\"}]}, {\"text\": \"Each user shall be able to set their own notification preference, choosing between immediate per\\u2011item alerts, batched summaries, or disabling notifications entirely.\", \"citations\": [{\"source\": \"daan-5\", \"quote\": \"I look at the list when I'm about to go shopping. That's when I need it.\"}, {\"source\": \"sofia-5\", \"quote\": \"If an app notifies me every time someone adds something, I uninstall it.\"}]}, {\"text\": \"The app shall allow users to define quiet periods (e.g., weekends) during which notifications are suppressed or batched.\", \"citations\": [{\"source\": \"daan-5\", \"quote\": \"I'd have it off my phone by the weekend.\"}]}]}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2504, + "noCache": 2504, + "cacheRead": 0 + }, + "outputTokens": { + "total": 1149, + "text": 1149, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 5462, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "text-start", + "id": "0" + }, + { + "type": "text-delta", + "id": "0", + "delta": "**Functional Requirements – Notification of New Items**\n\n1. The app shall deliver a push notification to each household member as soon as any member adds an item to the shared grocery list. (maya-3: “I want a notification for every item someone adds.”; henk-4: “I'd like my phone to ping me every time she puts something on the list.”) \n2. Each user shall be able to set their own notification preference, choosing between immediate per‑item alerts, batched summaries, or disabling notifications entirely. (daan-5: “I look at the list when I'm about to go shopping. That's when I need it.”; sofia-5: “If an app notifies me every time someone adds something, I uninstall it.”) \n3. The app shall allow users to define quiet periods (e.g., weekends) during which notifications are suppressed or batched. (daan-5: “I'd have it off my phone by the weekend.”)\n\nDoes this capture the functional requirements for how household members hear about items someone adds? If so, shall we move on to the next section?" + }, + { + "type": "text-end", + "id": "0" + }, + { + "type": "finish", + "finishReason": { + "unified": "stop", + "raw": "stop" + }, + "usage": { + "inputTokens": { + "total": 3239, + "noCache": 3239, + "cacheRead": 0 + }, + "outputTokens": { + "total": 232, + "text": 232, + "reasoning": 0 + } + } + } + ] + } + ] + }, + { + "id": "C1-2", + "recordedOn": "2026-10-19", + "words": "Please draft Non-Functional Requirements, including whether the list works in a shop with bad signal.", + "calls": [ + { + "durationMs": 848, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We need to draft Non-Functional Requirements (NFR) for the shared household grocery list app, using interview data. Must search for relevant interview passages about performance, reliability, offline usage, signal issues, etc. Let's search.\n\n" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C1-2:1:0", + "toolName": "searchNotes", + "input": "{\"query\": \"list works in a shop with bad signal offline use reliability\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 1918, + "noCache": 1918, + "cacheRead": 0 + }, + "outputTokens": { + "total": 84, + "text": 84, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 2430, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We need NFR: performance (real-time sync), reliability (offline, bad signal), security, usability, maybe scalability. The interviews mention need for instant sync (Maya). No mention of offline or bad signal explicitly. Need to see if any interview mentions signal issues. Search again.\n\n" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C1-2:2:0", + "toolName": "searchNotes", + "input": "{\"query\":\"signal bad connection shop offline\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2413, + "noCache": 2413, + "cacheRead": 0 + }, + "outputTokens": { + "total": 83, + "text": 83, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 4014, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "No explicit mention of signal issues. So we need to note that none of the six interviews mention working in low-signal environments, so we must ask product manager for decision. According to rules, ask only what interviews don't say, and we need to ask a specific question: \"The interviews do not mention offline or low-signal usage; do you want the app to support offline operation and sync when connection restored?\" That's one question. Also need other NFR like performance (real-time sync), reliability (no data loss), security (privacy of shared list), usability (simple onboarding). Need to verify if any interview mentions security concerns. Search.\n\n" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C1-2:3:0", + "toolName": "searchNotes", + "input": "{\"query\": \"privacy security share list\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2899, + "noCache": 2899, + "cacheRead": 0 + }, + "outputTokens": { + "total": 156, + "text": 156, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 7843, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "text-start", + "id": "0" + }, + { + "type": "text-delta", + "id": "0", + "delta": "The interview data do not include any statements about using the shared grocery‑list app in a shop with poor cellular or Wi‑Fi signal, nor do they specify a target for how quickly changes should propagate between household members. \n\n**Could you let me know:**\n\n1. Whether the app must support offline operation (e.g., adding or checking off items when there is no connectivity) and then sync automatically when a connection is restored? \n2. What the maximum acceptable delay is for a change made by one person to appear on another person’s device (e‑g., “within 5 seconds,” “under 30 seconds,” etc.)? \n\nYour answers will be recorded as product‑manager decisions and cited as “chat” in the Non‑Functional Requirements section." + }, + { + "type": "text-end", + "id": "0" + }, + { + "type": "reasoning-start", + "id": "1" + }, + { + "type": "reasoning-delta", + "id": "1", + "delta": "We have privacy concerns: separate personal items, not visible to whole household. So NFR about data segregation and maybe access control.\n\nAlso need performance: real-time sync (Maya). Also reliability: not missing items, list must be accurate. Also usability: simple onboarding (Maya's experience with account creation). Also \"offline\" not covered; ask.\n\nNow we draft NFR statements, each with citations. For each statement, need source: either interview passage or chat (none yet). For offline, we need to ask product manager.\n\nSo first, we need to ask a focused question about offline capability. According to rule: explain in one sentence that interviews don't cover this, then ask.\n\nWe'll ask: \"The interviews do not mention using the app in a shop with poor signal or offline; do you want the app to support offline operation and sync when connectivity returns?\" That's one question, maybe also ask about performance target (e.g., sync latency). But we can ask one question at a time? Rule says ask one to three at a time. So we can ask both offline and sync latency. Provide two questions.\n\nLet's ask:\n\n- Do you require the app to function offline (e.g., add/check off items) and sync later?\n- What is the maximum acceptable sync delay for changes (e.g., seconds)?\n\nWe need to phrase that interviews don't cover these.\n\nNow produce answer with that question." + }, + { + "type": "reasoning-end", + "id": "1" + }, + { + "type": "finish", + "finishReason": { + "unified": "stop", + "raw": "stop" + }, + "usage": { + "inputTokens": { + "total": 3383, + "noCache": 3383, + "cacheRead": 0 + }, + "outputTokens": { + "total": 452, + "text": 452, + "reasoning": 0 + } + } + } + ] + } + ] + }, + { + "id": "C1-3", + "recordedOn": "2026-10-20", + "words": "Please draft Non-Functional Requirements, including whether the list works in a shop with bad signal.", + "calls": [ + { + "durationMs": 1506, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We need to draft Non-Functional Requirements (NFR) section. Must search interviews for relevant info: about performance, security, usability, offline capability, signal issues, etc. We need to search. We'll use searchNotes.\n\nFirst query: \"signal\" or \"bad signal\" in grocery list app." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C1-3:1:0", + "toolName": "searchNotes", + "input": "{\"query\": \"signal\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 1918, + "noCache": 1918, + "cacheRead": 0 + }, + "outputTokens": { + "total": 90, + "text": 90, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 1750, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "The returned passages: none directly about signal or offline. Need to search for \"offline\" or \"no signal\"." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C1-3:2:0", + "toolName": "searchNotes", + "input": "{\"query\": \"offline\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2459, + "noCache": 2459, + "cacheRead": 0 + }, + "outputTokens": { + "total": 47, + "text": 47, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 1842, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "No mention of offline or signal. Next query: \"bad signal\", \"no internet\", \"connectivity\"." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C1-3:3:0", + "toolName": "searchNotes", + "input": "{\"query\": \"connectivity\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2952, + "noCache": 2952, + "cacheRead": 0 + }, + "outputTokens": { + "total": 47, + "text": 47, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 3482, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "No direct about signal. Might be none. We need to note that interviews do not mention offline or signal. So we must state that none of the six interviews cover this. Then we will ask the product manager for a decision about offline capability.\n\nWe need to draft NFR section with statements each with citations. For each NFR we need to cite sources. For aspects like usability, performance, security, we need to search for relevant passages.\n\nSearch for \"big letters\", \"clear\", \"few buttons\" (usability)." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C1-3:4:0", + "toolName": "searchNotes", + "input": "{\"query\": \"big letters\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3354, + "noCache": 3354, + "cacheRead": 0 + }, + "outputTokens": { + "total": 130, + "text": 130, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 5589, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "Oops, we need to use the correct tool name: earlier we used searchNotes, but the tool is not defined. Actually the tool is not defined; the instructions said we have a tool called searchNotes, but it's not in the tool list. The only tool is saveSection. So we cannot actually search. The earlier calls to functions.searchNotes succeeded? It returned passages; maybe that tool is present but not listed now? It seems the tool is available. The error says not available. Possibly the tool name is searchNotes but we need to call it via a function? In earlier messages we used searchNotes and it worked. The tool list didn't include it but we used it. That might be okay. However now we got an error. Maybe we need to use a different call pattern: previous calls used \"functions.searchNotes\". That succeeded earlier. Let's try again." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C1-3:5:0", + "toolName": "searchNotes", + "input": "{\"query\": \"big letters\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3519, + "noCache": 3519, + "cacheRead": 0 + }, + "outputTokens": { + "total": 201, + "text": 201, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 8913, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "text-start", + "id": "0" + }, + { + "type": "text-delta", + "id": "0", + "delta": "**Non‑Functional Requirements** \n\n| # | Requirement | Source |\n|---|-------------|--------|\n| 1 | The list must be displayed with large, high‑contrast text (e.g., black on white or white on black) to ensure readability. | (Henk, henk‑3: “Big letters. Black on white or white on black, I don’t mind, as long as it’s clear.”) |\n| 2 | The user interface shall consist of a minimal set of controls – essentially “add item” and “tick off” – and avoid complex menus. | (Henk, henk‑3: “Few buttons… I want to see the list and tick things off, that’s all.”) |\n| 3 | All primary actions (adding an item, ticking off an item) shall be processed and reflected on the screen within **1 second** on a typical smartphone. | (Lena, lena‑4: “Speed, more than anything: open it, type ‘milk’, done.”) |\n| 4 | Changes to the list (additions, deletions, ticks) shall be propagated to every household member’s device in **near‑real‑time** (≤ 5 seconds) so that items disappear from others’ lists immediately after being checked off. | (Maya, maya‑4: “When I tick something off, it has to disappear from Tom’s list straight away… If the list on his phone is even ten minutes behind mine, we’re back to three bags of rice.”) |\n| 5 | The system shall send a push notification for **each** new item added to the shared list. | (Henk, henk‑4: “I’d like my phone to ping me every time she puts something on the list… If it beeps, I look.”)
(Maya, maya‑3: “I want a notification for every item someone adds.”) |\n| 6 | The app shall be usable on the major mobile platforms (iOS & Android) that household members currently own. | *No interview passage explicitly mentions platforms; this is an assumption that needs confirmation.* |\n| 7 | All data transmitted between devices and the backend shall be encrypted (e.g., TLS 1.2 or higher) and stored securely on the server. | *No interview passage addresses security; this is an open question.* |\n| 8 | The app shall remain functional when a user is in a location with **poor or no mobile data signal** (e.g., a supermarket with weak coverage). Users must be able to view the current list and add or tick items offline, with changes syncing automatically once connectivity is restored. | *None of the six interviews mention offline or signal‑related behavior.* |\n| 9 | Battery consumption shall be limited; background synchronization and notification handling must not drain more than **5 %** of battery per day under typical use. | *No interview passage addresses battery usage; this is an open question.* |\n\n**Open Questions / Future Considerations** \n\n- **Platform support** – Which mobile operating systems must be officially supported (iOS, Android, others)? (No interview data.) \n- **Security requirements** – What level of encryption, authentication, and data‑privacy compliance is required (e.g., GDPR, end‑to‑end encryption)? (No interview data.) \n- **Offline / poor‑signal handling** – Should the app cache the list locally and allow edits without connectivity, and what is the acceptable sync latency once back online? (No interview data.) \n- **Battery impact limits** – What is the target maximum daily battery usage for background sync and notifications? (No interview data.) \n\n*Please review the above statements. If they capture the intended non‑functional characteristics, confirm so we can lock this section and move on to the next part of the PRD. If any changes are needed, let me know and I’ll revise accordingly.*" + }, + { + "type": "text-end", + "id": "0" + }, + { + "type": "reasoning-start", + "id": "1" + }, + { + "type": "reasoning-delta", + "id": "1", + "delta": "It appears the tool is not available now. The instruction says we have three searches per reply, after which the tool is disabled. We already used three searches: first \"signal\", second \"offline\", third \"connectivity\". So we have exhausted the three searches for this reply. Therefore we cannot search more. We must draft NFR based on what we have (which includes no mention of signal/offline). We can include usability aspects from the passages we already have (big letters, few buttons, speed). Those are present in the passages we retrieved: henk-3 (big letters, few buttons), lena-4 (speed), maybe others.\n\nWe have those citations already from previous searches. So we can use those.\n\nNow we need to draft NFR statements, each with citations. Include performance (speed), usability (readability, minimal UI), reliability (real-time sync), security (maybe not mentioned), offline (no coverage). We'll note open question for offline capability.\n\nWe also need to save the section using saveSection.\n\nLet's draft statements:\n\n- The app shall display the list with large, high‑contrast text to ensure readability for users who prefer “big letters” and “black on white or white on black” (henk-3).\n- The UI shall consist of a minimal set of controls (e.g., add item, tick off) and avoid complex menus, as the interviewee said “few buttons” and “I want to see the list and tick things off, that's all” (henk-3).\n- The app shall respond to user actions (add, tick) within 1 second on a typical smartphone, because “Speed, more than anything” was highlighted (lena-4).\n- The system shall synchronize changes (additions, deletions) across all household members’ devices in near‑real‑time, so that when one person ticks an item it disappears from others’ lists immediately (maya-4). (Note: real‑time sync is implied by desire for immediate disappearance; we can cite maya-4.)\n- The app shall send a push notification for each new item added, as multiple interviewees requested “a notification for every item someone adds” (henk-4, maya-3).\n- The app shall operate on iOS and Android smartphones, as the target devices mentioned (implicitly all interviewees use phones). Not directly quoted but we may need citation; maybe we have no explicit mention. We could avoid this statement or mark as open question.\n\n- The app shall ensure data is stored securely and transmitted over encrypted channels (e.g., HTTPS). No interview mention; we need open question.\n\n- The app shall function in environments with limited or no mobile data connectivity, allowing users to view and edit the list offline and sync later. No interview passage covers this; open question.\n\nNow we must note open questions for offline capability, security, platform support.\n\nWe need to save section: use saveSection.\n\nLet's produce the section.\n\n" + }, + { + "type": "reasoning-end", + "id": "1" + }, + { + "type": "finish", + "finishReason": { + "unified": "stop", + "raw": "stop" + }, + "usage": { + "inputTokens": { + "total": 3471, + "noCache": 3471, + "cacheRead": 0 + }, + "outputTokens": { + "total": 1430, + "text": 1430, + "reasoning": 0 + } + } + } + ] + } + ] + }, + { + "id": "C1-5", + "recordedOn": "2026-10-20", + "words": "Please draft Non-Functional Requirements, including whether the list works in a shop with bad signal.", + "calls": [ + { + "durationMs": 3614, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We need to draft Non-Functional Requirements (NFRs). Must search interviews for relevant statements about performance, security, usability, offline capability, etc. Specifically about \"list works in a shop with bad signal\". Let's search." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C1-5:1:0", + "toolName": "searchNotes", + "input": "{\"query\": \"signal shop bad signal list works offline grocery list app\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 1918, + "noCache": 1918, + "cacheRead": 0 + }, + "outputTokens": { + "total": 83, + "text": 83, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 1900, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We have no mention of signal or offline. Let's search again with \"offline\", \"signal\", \"bad connection\"." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C1-5:2:0", + "toolName": "searchNotes", + "input": "{\"query\": \"offline or bad signal shop connection list app\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2455, + "noCache": 2455, + "cacheRead": 0 + }, + "outputTokens": { + "total": 54, + "text": 54, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 39903, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "No mention of signal. Likely none of the six interviews mention bad signal. So we must note that none cover that. According to rule, we must state that interviews don't cover this, then ask the product manager for decision. But we need to draft NFRs now. We can include statements based on interviews: notifications, real-time sync, simplicity, low learning curve, minimal friction. Also we can note that no interview mentions offline or bad signal; we need product manager decision.\n\nThus we need to draft NFRs with statements each citing sources. For each NFR we need citations. For offline requirement, we have no citation, so we need to ask product manager. But we could still draft other NFRs from interviews.\n\nWe need to produce a saveSection call with the statements. But before we ask product manager for decision on offline capability, we must ask a question: \"The interviews do not mention how the app should behave in a shop with bad signal; please provide your decision.\" According to rule, first ask, explain one sentence that interviews don't cover this, then ask. So we need to ask before saving? The instruction: \"When a section needs something no passage says, such as a number for a goal or a choice between options, draft what the interviews support first, then ask specific, targeted questions, one to three at a time, as short bullet points.\" So we should draft the section based on interview data, leaving out the offline part, then ask about that. Or we can include a placeholder \"Open question: behavior in low signal\" and later fill.\n\nProbably we should draft NFRs with statements that are supported, then include an open question for offline. Then after saving, ask product manager for decision.\n\nThus we need to create statements:\n\n- Real-time synchronization: changes must propagate instantly. Cite Maya-4 (needs immediate disappearance), maybe also Maya-4. Also Daan-5? Not about sync.\n\n- Notification for each added item: Many want notifications. Cite Maya-3, Henk-4.\n\n- Simplicity / low learning curve: Lena-6 (complicated stops usage), Maya-6 (setup must be quick). Also Sofia-7 (no account needed).\n\n- Performance: Must work quickly (within seconds). Not directly quoted but implied by \"must disappear straight away\". Use Maya-4.\n\n- Security: Not mentioned. No interview. Could be open question.\n\n- Usability: Must be easy to use for all household members, including those reluctant to install apps (Sofia-7). So we need to note requirement for web access.\n\n- Reliability: Must not lose data, must keep list consistent across devices. Implicit from Maya-4.\n\n- Offline/low signal: No interview. So open question.\n\nThus we will draft statements with citations.\n\nNow we need to call saveSection with these statements.\n\nAfter that, we need to ask product manager about offline behavior.\n\nLet's prepare statements.\n\nStatement 1: The app must synchronize list updates in real time so that when one member checks off or adds an item, the change appears on all other members’ devices instantly. Cite Maya-4.\n\nStatement 2: The app must send a push notification to each household member whenever a new item is added to the shared list, unless the user disables it. Cite Maya-3, Henk-4.\n\nStatement 3: The app must allow users to disable notifications or adjust frequency to avoid notification fatigue. Cite Daan-5 (complaint about too many notifications). This is not a direct quote but Daan-5 says he would turn off after two days. Use Daan-5.\n\nStatement 4: The app must have a simple onboarding flow that requires no more than one minute to add a new household member and start sharing the list. Cite Maya-6 (setup must be under a minute).\n\nStatement 5: The app must work without requiring users to create separate accounts; it should support browser-based access via a shared link. Cite Sofia-7 (use via browser without account).\n\nStatement 6: The app must be usable by users with varying technical comfort, with an intuitive interface that does not require extensive learning. Cite Lena-6 (complicated stops usage).\n\nStatement 7: The app must maintain data integrity so that the list remains consistent across devices even under concurrent edits. Cite Maya-4 (needs immediate disappearance to avoid duplicate purchases).\n\nStatement 8: The app must have a response time of less than 2 seconds for any user action (add, check off, sync). Not directly quoted; we may need to ask product manager for performance target. This is not supported. So we should make it an open question.\n\nBut we need to ensure each statement has a citation. For statement 8 we have none, so we must either not include it or mark as open question. Let's make it an open question: \"Open question: desired maximum response time for user actions (e.g., <2 seconds)?\" We'll include in Open Questions section later.\n\nSimilarly for security: \"Open question: required security standards (e.g., encryption, authentication)?\" We'll leave for later.\n\nThus NFR statements will be those with citations.\n\nNow we need to saveSection.\n\n" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C1-5:3:0", + "toolName": "saveSection", + "input": "{\"section\": \"Non-Functional Requirements\", \"statements\": [{\"text\": \"The app must synchronize list updates in real time so that when one member checks off or adds an item, the change appears on all other members\\u2019 devices instantly.\", \"citations\": [{\"source\": \"maya-4\", \"quote\": \"When I tick something off, it has to disappear from Tom's list straight away, so he doesn't buy it too.\"}]}, {\"text\": \"The app must send a push notification to each household member whenever a new item is added to the shared list, unless the user disables it.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"The moment one of us puts something on it, the other should know. Honestly, I want a notification for every item someone adds.\"}, {\"source\": \"henk-4\", \"quote\": \"I'd like my phone to ping me every time she puts something on the list. Every single item, yes.\"}]}, {\"text\": \"The app must allow users to disable notifications or adjust their frequency to avoid notification fatigue.\", \"citations\": [{\"source\": \"daan-5\", \"quote\": \"Not as they come in. A buzz for every item, with three kids adding things? I'd have it off my phone by the weekend.\"}]}, {\"text\": \"The app must have a simple onboarding flow that requires no more than one minute to add a new household member and start sharing the list.\", \"citations\": [{\"source\": \"maya-6\", \"quote\": \"If I can't add him to the list in under a minute, it won't happen.\"}]}, {\"text\": \"The app must work without requiring users to create separate accounts; it should support browser-based access via a shared link.\", \"citations\": [{\"source\": \"sofia-7\", \"quote\": \"Jonas refuses to install new apps. He'd use it if it opened in the browser from a link, without making an account.\"}]}, {\"text\": \"The app must be usable by users with varying technical comfort, offering an intuitive interface that does not require extensive learning.\", \"citations\": [{\"source\": \"lena-6\", \"quote\": \"If it got complicated. My shifts change every week, and I don't have time to learn a tool.\"}]}, {\"text\": \"The app must maintain data integrity so that the shared list remains consistent across devices even under concurrent edits.\", \"citations\": [{\"source\": \"maya-4\", \"quote\": \"If the list on his phone is even ten minutes behind mine, we're back to three bags of rice.\"}]}]}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2916, + "noCache": 2916, + "cacheRead": 0 + }, + "outputTokens": { + "total": 1725, + "text": 1725, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 4774, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "text-start", + "id": "0" + }, + { + "type": "text-delta", + "id": "0", + "delta": "**Non‑Functional Requirements** \n\n- The app must synchronize list updates in real time so that when one member checks off or adds an item, the change appears on all other members’ devices instantly. (maya‑4: “When I tick something off, it has to disappear from Tom's list straight away, so he doesn't buy it too.”) \n- The app must send a push notification to each household member whenever a new item is added to the shared list, unless the user disables it. (maya‑3: “The moment one of us puts something on it, the other should know… I want a notification for every item someone adds.” ; henk‑4: “I'd like my phone to ping me every time she puts something on the list. Every single item, yes.”) \n- The app must allow users to disable notifications or adjust their frequency to avoid notification fatigue. (daan‑5: “Not as they come in… I'd have it off my phone by the weekend.”) \n- The app must have a simple onboarding flow that requires no more than one minute to add a new household member and start sharing the list. (maya‑6: “If I can't add him to the list in under a minute, it won't happen.”) \n- The app must work without requiring users to create separate accounts; it should support browser‑based access via a shared link. (sofia‑7: “Jonas… would use it if it opened in the browser from a link, without making an account.”) \n- The app must be usable by users with varying technical comfort, offering an intuitive interface that does not require extensive learning. (lena‑6: “If it got complicated… I don't have time to learn a tool.”) \n- The app must maintain data integrity so that the shared list remains consistent across devices even under concurrent edits. (maya‑4: “If the list on his phone is even ten minutes behind mine, we're back to three bags of rice.”) \n\n---\n\n**Open question for you (product manager):** \n\n- None of the six interviews mention how the app should behave when the signal is poor inside a shop. \n - Should the app support offline usage with local caching and sync the changes when connectivity returns, or must it require an active internet connection to function? \n\n(Please provide your decision so we can record it as a requirement.) " + }, + { + "type": "text-end", + "id": "0" + }, + { + "type": "reasoning-start", + "id": "1" + }, + { + "type": "reasoning-delta", + "id": "1", + "delta": "Now we need to ask product manager about behavior in shop with bad signal, and also maybe about performance target, security, offline capability. The prompt only asked for Non-Functional Requirements, including whether the list works in a shop with bad signal. So we need to ask about that. Also we might ask about performance target, but not required. Let's ask about offline behavior.\n\nWe must follow rule: first time we ask, explain one sentence that interviews don't cover this, then ask targeted question(s) as bullet points.\n\nThus: \"None of the six interviews mention how the app should behave when cellular/Wi‑Fi signal is poor in a shop.\" Then ask: \"Should the app support offline use with local caching and sync later? Or should it require an active connection?\" Also maybe ask about expected latency.\n\nWe'll ask 2-3 bullet points.\n\n" + }, + { + "type": "reasoning-end", + "id": "1" + }, + { + "type": "finish", + "finishReason": { + "unified": "stop", + "raw": "stop" + }, + "usage": { + "inputTokens": { + "total": 4162, + "noCache": 4162, + "cacheRead": 0 + }, + "outputTokens": { + "total": 674, + "text": 674, + "reasoning": 0 + } + } + } + ] + } + ] + }, + { + "id": "C2-1", + "recordedOn": "2026-10-19", + "words": "It must work without signal: the list opens, and items can be added and ticked off offline, then it syncs when the phone reconnects.", + "calls": [ + { + "durationMs": 2994, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We need to draft Non-Functional Requirements section. Need to include offline capability and sync when reconnects. Also need other non-functional requirements: performance, security, usability, etc. Need to source statements. For offline requirement, we have no interview citation, so must record product manager decision as chat. For other NFRs, we need to see if interviews mention privacy/security, reliability, etc. We have search results for privacy/security: passages from sofia-4, maya-3, daan-4, lena-2, sofia-3. Need to retrieve exact quotes. Let's search each passage content." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C2-1:1:0", + "toolName": "searchNotes", + "input": "{\"query\": \"sofia-4 privacy security\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2457, + "noCache": 2457, + "cacheRead": 0 + }, + "outputTokens": { + "total": 154, + "text": 154, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 4769, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We need privacy/security statements: Sofia wants personal items separate; maybe this translates to a requirement for privacy separation. Also mention that some users (Sofia) want a way to keep personal items hidden. Also need security: maybe no explicit mention of data protection, but we can infer need for authentication; but we must not infer beyond statements. The passage about Jonas refusing to install new apps and wants web link without account suggests a need for optional login or guest access. That's a user preference, not a non-functional requirement, but could be considered usability. For NFR, we can include \"the app shall not expose personal items to other household members unless explicitly shared\" citing Sofia-4. Also \"the app shall allow users to keep private items separate\" citing same.\n\nAlso need performance: maybe not covered. Then we must note as open question. Also reliability: offline sync is covered by product manager decision.\n\nSecurity: maybe no explicit mention of encryption, but we can ask product manager for requirement. But we can still include \"the app shall protect data during sync\" as open question.\n\nLet's also search for any mention of speed or responsiveness." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C2-1:2:0", + "toolName": "searchNotes", + "input": "{\"query\":\"speed response time list updates\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2981, + "noCache": 2981, + "cacheRead": 0 + }, + "outputTokens": { + "total": 254, + "text": 254, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 11802, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "Great. We have statements about speed: Maya wants adding person to be able to add in under a minute; also wants immediate sync (no delay). So we can cite Maya-4 and Maya-6 for performance and real-time sync. Also Maya-3 for notification immediate. So we can craft NFR: \"The app shall propagate changes to all shared devices within X seconds (target <10 seconds)\". Since we have no exact number, we can set a target based on interview desire: \"within 10 seconds\". We need to ask product manager for exact number? We could propose \"within 10 seconds\" and ask for confirmation. But the instruction says draft the section now, and ask for clarification if needed. Since we have no explicit number, we should ask product manager for target delay. So we need to ask a question before finalizing? The process: when drafting a section, we must include statements with citations. If we lack a specific metric, we can leave as open question. So we can include an open question for sync latency.\n\nLet's also include reliability: offline sync already captured.\n\nUsability: mention that account creation should be simple (Maya-6). Also mention that the app should be accessible via browser without account for reluctant users (Sofia-7). These are non-functional (usability). Also privacy: Sofia-4.\n\nSecurity: maybe ask for encryption, but we have no interview. Could leave open question.\n\nNow draft the Non-Functional Requirements section with statements:\n\n- Offline capability: list opens and can add/tick offline, sync on reconnect. (chat)\n- Data privacy: users can keep personal items separate from shared list. (Sofia-4)\n- Notification latency: Users expect immediate notification; target sync <10 seconds (open question)\n- Real-time sync: changes should appear on other devices promptly (Maya-4)\n- Setup time: adding a household member should take less than 1 minute (Maya-6)\n- Usability: optional web access without account (Sofia-7)\n- Performance: app must respond to add/tick actions within 2 seconds (maybe not directly quoted). Not in interview. Might be open question.\n\nWe need to ensure each statement cites. For performance, we have no exact quote about response time, only about delay in adding member. Could interpret as \"setup time less than a minute\". That is a metric. So we can include that.\n\nNow we need to saveSection with statements and citations. Let's prepare statements list.\n\nStatements:\n\n1. The app shall allow the grocery list to be opened, edited (add items, tick off items) while the device has no network connection, and shall automatically synchronize all changes when a connection is re‑established. (chat: \"It must work without signal: the list opens, and items can be added and ticked off offline, then it syncs when the phone reconnects.\")\n\n2. Users shall be able to keep personal items separate from the shared household list, ensuring that private items are not visible to other household members unless explicitly shared. (Sofia-4: \"No. My own shopping is my business. I'd want my personal items somewhere the house can't see, or at least clearly apart from the shared things.\")\n\n3. Adding a new household member to the shared list shall require no more than one minute of user effort, including account creation and confirmation. (Maya-6: \"If I can't add him to the list in under a minute, it won't happen.\")\n\n4. When a user adds or removes an item, the change shall be propagated to all other members' devices promptly, aiming for a latency of less than 10 seconds. (Open question: need exact target; but we have Maya-4: \"If the list on his phone is even ten minutes behind mine, we're back to three bags of rice.\" and Maya-3: \"I want my phone to tell me right then, not when I happen to open the app at home.\" We'll note as open question for exact latency.)\n\n5. The app shall provide real‑time push notifications for each item added by any household member, unless the user opts out. (Maya-3: \"I want a notification for every item someone adds.\" and Henk-4: \"I'd like my phone to ping me every time she puts something on the list.\")\n\n6. The app shall support optional web‑based access without requiring a dedicated account, to accommodate users who refuse to install new apps. (Sofia-7: \"He'd use it if it opened in the browser from a link, without making an account.\")\n\n7. The app shall secure data during transmission and storage, ensuring confidentiality of the shared list. (No direct interview quote; we need to ask product manager. So this will be an open question.)\n\n8. The app shall be usable on devices with limited screen size and support intuitive interaction for users with varying technical proficiency. (Lena-6: \"If it got complicated... I don't have time to learn a tool.\" Not a direct quote about usability, but indicates need for simplicity.)\n\nWe need to ensure each statement cites correctly. For statement 8, we have Lena-6: \"If it got complicated... I don't have time to learn a tool.\" That suggests need for simplicity.\n\nNow we have open questions for latency target and security specifics.\n\nWe'll include an Open Questions / Future Considerations section later, but for now we can include open question within this section? The guidelines say open questions go in that section. So for statements lacking specifics, we should either leave them as open questions or include them with a note that it's open. Better to move them to Open Questions. So in Non-Functional Requirements, we include only statements with clear citations. For latency target and security, we'll leave as open questions later. So statements 1-6 are fine.\n\nNow we need to saveSection.\n\n" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C2-1:3:0", + "toolName": "saveSection", + "input": "{\"section\": \"Non-Functional Requirements\", \"statements\": [{\"text\": \"The app shall allow the grocery list to be opened, edited (add items, tick off items) while the device has no network connection, and shall automatically synchronize all changes when a connection is re\\u2011established.\", \"citations\": [{\"source\": \"chat\", \"quote\": \"It must work without signal: the list opens, and items can be added and ticked off offline, then it syncs when the phone reconnects.\"}]}, {\"text\": \"Users shall be able to keep personal items separate from the shared household list, ensuring that private items are not visible to other household members unless explicitly shared.\", \"citations\": [{\"source\": \"sofia-4\", \"quote\": \"No. My own shopping is my business. I'd want my personal items somewhere the house can't see, or at least clearly apart from the shared things.\"}]}, {\"text\": \"Adding a new household member to the shared list shall require no more than one minute of user effort, including account creation and confirmation.\", \"citations\": [{\"source\": \"maya-6\", \"quote\": \"If I can't add him to the list in under a minute, it won't happen.\"}]}, {\"text\": \"The app shall provide real\\u2011time push notifications for each item added by any household member, unless the user opts out.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"I want a notification for every item someone adds.\"}, {\"source\": \"henk-4\", \"quote\": \"I'd like my phone to ping me every time she puts something on the list.\"}]}, {\"text\": \"The app shall support optional web\\u2011based access without requiring a dedicated account, to accommodate users who refuse to install new apps.\", \"citations\": [{\"source\": \"sofia-7\", \"quote\": \"He'd use it if it opened in the browser from a link, without making an account.\"}]}, {\"text\": \"The app shall be usable on devices with limited screen size and support intuitive interaction for users with varying technical proficiency, avoiding complexity that would discourage use.\", \"citations\": [{\"source\": \"lena-6\", \"quote\": \"If it got complicated. My shifts change every week, and I don't have time to learn a tool.\"}]}]}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3635, + "noCache": 3635, + "cacheRead": 0 + }, + "outputTokens": { + "total": 1792, + "text": 1792, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 8172, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "text-start", + "id": "0" + }, + { + "type": "text-delta", + "id": "0", + "delta": "**Non‑Functional Requirements** \n\n1. The app shall allow the grocery list to be opened, edited (add items, tick off items) while the device has no network connection, and shall automatically synchronize all changes when a connection is re‑established. *(chat: “It must work without signal: the list opens, and items can be added and ticked off offline, then it syncs when the phone reconnects.”)* \n\n2. Users shall be able to keep personal items separate from the shared household list, ensuring that private items are not visible to other household members unless explicitly shared. *(sofia-4: “No. My own shopping is my business. I'd want my personal items somewhere the house can't see, or at least clearly apart from the shared things.”)* \n\n3. Adding a new household member to the shared list shall require no more than one minute of user effort, including account creation and confirmation. *(maya-6: “If I can't add him to the list in under a minute, it won't happen.”)* \n\n4. The app shall provide real‑time push notifications for each item added by any household member, unless the user opts out. *(maya-3: “I want a notification for every item someone adds.”; henk-4: “I'd like my phone to ping me every time she puts something on the list.”)* \n\n5. The app shall support optional web‑based access without requiring a dedicated account, to accommodate users who refuse to install new apps. *(sofia-7: “He'd use it if it opened in the browser from a link, without making an account.”)* \n\n6. The app shall be usable on devices with limited screen size and support intuitive interaction for users with varying technical proficiency, avoiding complexity that would discourage use. *(lena-6: “If it got complicated. My shifts change every week, and I don't have time to learn a tool.”)* \n\n---\n\n**Next step:** Shall we move on to the **Success Metrics** section, or would you like to add or adjust any of the non‑functional requirements above?" + }, + { + "type": "text-end", + "id": "0" + }, + { + "type": "finish", + "finishReason": { + "unified": "stop", + "raw": "stop" + }, + "usage": { + "inputTokens": { + "total": 4967, + "noCache": 4967, + "cacheRead": 0 + }, + "outputTokens": { + "total": 434, + "text": 434, + "reasoning": 0 + } + } + } + ] + } + ] + }, + { + "id": "C2-2", + "recordedOn": "2026-10-19", + "words": "It must work without signal: the list opens, and items can be added and ticked off offline, then it syncs when the phone reconnects.", + "calls": [ + { + "durationMs": 1139, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We need to draft Non-Functional Requirements section. We have interview citations for offline? Let's see if any interview mentions offline. Search again for offline." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C2-2:1:0", + "toolName": "searchNotes", + "input": "{\"query\": \"offline use list\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2457, + "noCache": 2457, + "cacheRead": 0 + }, + "outputTokens": { + "total": 56, + "text": 56, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 1782, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "No offline references. So we have only product manager's decision for offline support. Need also other non-functional aspects: performance, security, usability. We have interview citations for privacy/security maybe. Search for privacy again." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C2-2:2:0", + "toolName": "searchNotes", + "input": "{\"query\":\"privacy security shared list\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2923, + "noCache": 2923, + "cacheRead": 0 + }, + "outputTokens": { + "total": 67, + "text": 67, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 10179, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We can extract non-functional requirements: privacy (separate personal vs shared lists), security (maybe authentication), performance (fast sync), reliability (offline), usability (simple UI, low notification noise), scalability (multiple users). Need citations: for privacy we have Lena-2, Sofia-4. For notification preferences, we have Maya-3 (wants notification), Daan-5 (doesn't want many). For simplicity: Lena-6 (complicated stops use). For offline: none, so we cite chat.\n\nAlso maybe performance: no specific. Could note \"must sync within X seconds\" but we don't have a target. Could leave as open question.\n\nWe'll draft section with statements each with citations.\n\nOpen question for sync delay.\n\nLet's draft statements:\n\n- The app shall function without network connectivity; users must be able to open the list, add items, and tick them off while offline, with automatic synchronization when a connection is restored. (chat: \"It must work without signal...\").\n\n- The app shall store data locally on the device securely and encrypt data in transit when syncing. No interview directly mentions encryption but privacy concerns. Might need citation: Sofia-4 wants personal items not visible to house; could infer need for access control. We'll phrase as requirement and cite Sofia-4 and Lena-2.\n\n- The app shall support separate personal and shared lists to prevent household members from seeing each other's private items. (Sofia-4, Lena-2).\n\n- The app shall provide a simple, low‑learning‑curve UI; complexity leads to abandonment. (Lena-6).\n\n- The app shall allow users to configure notification preferences per item or per list to avoid notification fatigue. (Maya-3 wants notifications, Daan-5 wants them off). So requirement: configurable notifications.\n\n- The app shall handle up to at least six household members concurrently editing the list without performance degradation. No direct citation; we have six households, each maybe 2-4 members. Could cite that six households were studied (but not a passage). Might need open question for capacity. Better to make open question.\n\n- The app shall ensure that changes made by one user are reflected on other users' devices within a reasonable time frame; define target latency. (Open question).\n\n- The app shall protect user data against unauthorized access; require authentication (e.g., password, biometrics). No interview directly mentions; we can note as requirement but need citation? Might be inference from privacy. Could cite Sofia-4 about personal items, but not authentication. Might still need to cite interview for privacy concerns. We'll cite Sofia-4.\n\n- The app shall be usable on both iOS and Android smartphones. No citation; open question.\n\nWe'll list statements, each with citations. For statements lacking interview citation, we must mark as open question? The rule: Every statement cites at least one source, except in Open Questions / Future Considerations. So each requirement must have citation. For statements about offline we have chat. For notifications we have Maya-3 and Daan-5. For simplicity we have Lena-6. For privacy we have Sofia-4 and Lena-2. For authentication maybe we can infer from privacy but need citation: Sofia-4 says \"my personal items somewhere the house can't see\". That implies need for access control, we can cite that. Good.\n\nFor cross-platform: no citation, so make open question.\n\nFor capacity: open question.\n\nFor sync latency: open question.\n\nNow draft section." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C2-2:3:0", + "toolName": "saveSection", + "input": "{\"section\": \"Non-Functional Requirements\", \"statements\": [{\"text\": \"The app shall function without network connectivity; users must be able to open the list, add items, and tick them off while offline, with automatic synchronization when a connection is restored.\", \"citations\": [{\"source\": \"chat\", \"quote\": \"It must work without signal: the list opens, and items can be added and ticked off offline, then it syncs when the phone reconnects.\"}]}, {\"text\": \"The app shall store data locally on the device securely and encrypt data in transit when syncing, to prevent household members from accessing each other's private items.\", \"citations\": [{\"source\": \"sofia-4\", \"quote\": \"No. My own shopping is my business. I'd want my personal items somewhere the house can't see, or at least clearly apart from the shared things.\"}, {\"source\": \"lena-2\", \"quote\": \"I don't want Bas to see my whole shopping list. I'd want one list for Milo's things that the three of us share, and my own list that's just mine.\"}]}, {\"text\": \"The app shall support separate personal and shared lists, allowing users to keep private items hidden from other household members.\", \"citations\": [{\"source\": \"sofia-4\", \"quote\": \"My own shopping is my business. I'd want my personal items somewhere the house can't see, or at least clearly apart from the shared things.\"}, {\"source\": \"lena-2\", \"quote\": \"I don't want Bas to see my whole shopping list. I'd want one list for Milo's things that the three of us share, and my own list that's just mine.\"}]}, {\"text\": \"The user interface shall be simple and require minimal learning; excessive complexity will cause users to abandon the app.\", \"citations\": [{\"source\": \"lena-6\", \"quote\": \"If it got complicated. My shifts change every week, and I don't have time to learn a tool.\"}]}, {\"text\": \"The app shall provide configurable notification settings so each user can choose to receive real\\u2011time alerts for new items or suppress them to avoid notification fatigue.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"The moment one of us puts something on it, the other should know. Honestly, I want a notification for every item someone adds.\"}, {\"source\": \"daan-5\", \"quote\": \"Not as they come in. A buzz for every item, with three kids adding things? I'd have it off my phone by the weekend.\"}]}, {\"text\": \"The app shall require user authentication (e.g., password, biometrics) before granting access to any list, ensuring only authorized household members can view or edit shared content.\", \"citations\": [{\"source\": \"sofia-4\", \"quote\": \"I'd want my personal items somewhere the house can't see, or at least clearly apart from the shared things.\"}]}, {\"text\": \"Open question: What is the maximum acceptable latency for a change made by one user to appear on other users' devices after they regain connectivity?\", \"citations\": []}, {\"text\": \"Open question: What is the target number of concurrent household members that the app must support without performance degradation?\", \"citations\": []}, {\"text\": \"Open question: Which mobile platforms (iOS, Android, web) must be supported by the app?\", \"citations\": []}]}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3405, + "noCache": 3405, + "cacheRead": 0 + }, + "outputTokens": { + "total": 1555, + "text": 1555, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 6368, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "text-start", + "id": "0" + }, + { + "type": "text-delta", + "id": "0", + "delta": "**Non‑Functional Requirements** \n\n- The app shall function without network connectivity; users must be able to open the list, add items, and tick them off while offline, with automatic synchronization when a connection is restored. *(chat: “It must work without signal: the list opens, and items can be added and ticked off offline, then it syncs when the phone reconnects.”)* \n\n- The app shall store data locally on the device securely and encrypt data in transit when syncing, to prevent household members from accessing each other's private items. *(sofia‑4: “My own shopping is my business. I'd want my personal items somewhere the house can't see, or at least clearly apart from the shared things.”; lena‑2: “I don't want Bas to see my whole shopping list. I'd want one list for Milo's things that the three of us share, and my own list that's just mine.”)* \n\n- The app shall support separate personal and shared lists, allowing users to keep private items hidden from other household members. *(sofia‑4; lena‑2)* \n\n- The user interface shall be simple and require minimal learning; excessive complexity will cause users to abandon the app. *(lena‑6: “If it got complicated… I don't have time to learn a tool.”)* \n\n- The app shall provide configurable notification settings so each user can choose to receive real‑time alerts for new items or suppress them to avoid notification fatigue. *(maya‑3: “I want a notification for every item someone adds.”; daan‑5: “Not as they come in… I'd have it off my phone by the weekend.”)* \n\n- The app shall require user authentication (e.g., password, biometrics) before granting access to any list, ensuring only authorized household members can view or edit shared content. *(sofia‑4: “I'd want my personal items somewhere the house can't see.”)* \n\n- **Open question:** What is the maximum acceptable latency for a change made by one user to appear on other users' devices after they regain connectivity? \n\n- **Open question:** What is the target number of concurrent household members that the app must support without performance degradation? \n\n- **Open question:** Which mobile platforms (iOS, Android, web) must be supported by the app? \n\nPlease confirm this section or let me know any changes. Once approved, we can move on to **Design Considerations / Mockups** (or another section you prefer)." + }, + { + "type": "text-end", + "id": "0" + }, + { + "type": "finish", + "finishReason": { + "unified": "stop", + "raw": "stop" + }, + "usage": { + "inputTokens": { + "total": 4463, + "noCache": 4463, + "cacheRead": 0 + }, + "outputTokens": { + "total": 510, + "text": 510, + "reasoning": 0 + } + } + } + ] + } + ] + }, + { + "id": "C2-3", + "recordedOn": "2026-10-19", + "words": "It must work without signal: the list opens, and items can be added and ticked off offline, then it syncs when the phone reconnects.", + "calls": [ + { + "durationMs": 1531, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "Need to draft Non-Functional Requirements section. Need also security/privacy requirement from interview. Also performance maybe. Use citations from interviews for privacy/security, maybe also for reliability expectations. We have passages: need to retrieve exact quotes for privacy/security and maybe about reliability/connection. Let's search for offline mention." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C2-3:1:0", + "toolName": "searchNotes", + "input": "{\"query\": \"offline use list without internet\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2457, + "noCache": 2457, + "cacheRead": 0 + }, + "outputTokens": { + "total": 88, + "text": 88, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 5358, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "No offline mention. Might be none. So we cannot cite offline requirement from interviews. We'll note that none of the six interviews mention offline capability. That is okay; we have product manager decision for offline.\n\nNow privacy/security: need quotes. Search." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C2-3:2:0", + "toolName": "searchNotes", + "input": "{\"query\": \"privacy share list secure\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 2930, + "noCache": 2930, + "cacheRead": 0 + }, + "outputTokens": { + "total": 77, + "text": 77, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 2169, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We have privacy concerns: separate personal vs shared list. Also maybe security: account-less login via link. That's from Sofia-7. Let's capture." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C2-3:3:0", + "toolName": "searchNotes", + "input": "{\"query\":\"no account browser link\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3415, + "noCache": 3415, + "cacheRead": 0 + }, + "outputTokens": { + "total": 54, + "text": 54, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 24116, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "Now performance: maybe about notifications delay. Not in interviews. So we need product manager decision later. We have only offline requirement; we have privacy separation; we have account-less access.\n\nNow we need to draft Non-Functional Requirements section with statements and citations. Include offline operation (from product manager decision, cite chat). Include privacy requirement: ability to have separate personal list not visible to others (citing Lena-2). Also maybe ability to remove items added by children (citing Daan-4). Also requirement for minimal setup (no account) (citing Sofia-7, Maya-6). Also maybe performance (sync speed) not covered; we need ask product manager later. But we can note open question later. For now we draft statements we have sources.\n\nLet's craft statements:\n\n- The app shall function without network connectivity: users can open the list, add items, tick off items offline, and changes shall sync automatically when connectivity is restored. (chat: \"It must work without signal: the list opens, and items can be added and ticked off offline, then it syncs when the phone reconnects.\").\n\n- The app shall store data locally on the device to support offline usage and ensure data is not lost before sync. (Interpretation: based on offline requirement.)\n\n- The app shall keep shared list data synchronized across household members once a connection is available. (Interpretation.)\n\n- The app shall allow each household member to maintain a personal list that is not visible to other members, separate from the shared list. (citing Lena-2: \"I don't want Bas to see my whole shopping list. I'd want one list for Milo's things that the three of us share, and my own list that's just mine.\").\n\n- The app shall provide the ability for the list owner or admin to delete items added by other members without friction. (citing Daan-4: \"I'd want to be able to remove what they add without a big discussion.\").\n\n- The app shall support access without requiring each user to create a dedicated account; a shared link opening in a browser shall be sufficient for participation. (citing Sofia-7 and Maya-6).\n\n- The app shall protect shared list data against unauthorized access; only invited members may view or edit the list. (Interpretation; maybe supported by privacy concerns.)\n\n- The app shall ensure data transmission is encrypted (no interview quote; we may need open question). Since no interview covers security encryption, we should note as open question later, not as requirement.\n\n- The app shall have a reasonable sync latency (none covered). We'll leave as open question.\n\nThus we have statements with citations.\n\nNow we need to use saveSection function to save Non-Functional Requirements with statements.\n\n" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:C2-3:4:0", + "toolName": "saveSection", + "input": "{\"section\": \"Non-Functional Requirements\", \"statements\": [{\"text\": \"The app shall function without network connectivity: users can open the list, add items, and tick off items offline, and changes shall sync automatically when connectivity is restored.\", \"citations\": [{\"source\": \"chat\", \"quote\": \"It must work without signal: the list opens, and items can be added and ticked off offline, then it syncs when the phone reconnects.\"}]}, {\"text\": \"The app shall store the list data locally on the device to support offline usage and prevent data loss before synchronization.\", \"citations\": [{\"source\": \"chat\", \"quote\": \"It must work without signal: the list opens, and items can be added and ticked off offline, then it syncs when the phone reconnects.\"}]}, {\"text\": \"When a network connection becomes available, the app shall automatically synchronize any offline changes with all other household members' devices.\", \"citations\": [{\"source\": \"chat\", \"quote\": \"It must work without signal: the list opens, and items can be added and ticked off offline, then it syncs when the phone reconnects.\"}]}, {\"text\": \"Each household member shall be able to maintain a personal grocery list that is not visible to other members, separate from the shared list.\", \"citations\": [{\"source\": \"lena-2\", \"quote\": \"I don't want Bas to see my whole shopping list. I'd want one list for Milo's things that the three of us share, and my own list that's just mine.\"}]}, {\"text\": \"The app shall allow a user to delete items added by other members without requiring a lengthy discussion or complex workflow.\", \"citations\": [{\"source\": \"daan-4\", \"quote\": \"I'd want to be able to remove what they add without a big discussion.\"}]}, {\"text\": \"Access to the shared list shall not require each participant to create a dedicated account; a shared link that opens in a browser shall be sufficient for participation.\", \"citations\": [{\"source\": \"sofia-7\", \"quote\": \"He'd use it if it opened in the browser from a link, without making an account.\"}, {\"source\": \"maya-6\", \"quote\": \"Setting it up meant both of us making accounts and confirming emails, and Tom gave up halfway.\"}]}, {\"text\": \"Only invited household members shall be able to view or edit the shared list, protecting the list from unauthorized access.\", \"citations\": [{\"source\": \"lena-2\", \"quote\": \"I don't want Bas to see my whole shopping list.\"}]}]}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3741, + "noCache": 3741, + "cacheRead": 0 + }, + "outputTokens": { + "total": 1223, + "text": 1223, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 8406, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "text-start", + "id": "0" + }, + { + "type": "text-delta", + "id": "0", + "delta": "**Non‑Functional Requirements** \n\n- The app shall function without network connectivity: users can open the list, add items, and tick off items offline, and changes shall sync automatically when connectivity is restored. (chat: “It must work without signal: the list opens, and items can be added and ticked off offline, then it syncs when the phone reconnects.”) \n- The app shall store the list data locally on the device to support offline usage and prevent data loss before synchronization. (chat) \n- When a network connection becomes available, the app shall automatically synchronize any offline changes with all other household members' devices. (chat) \n- Each household member shall be able to maintain a personal grocery list that is not visible to other members, separate from the shared list. (lena-2: “I don't want Bas to see my whole shopping list. I'd want one list for Milo's things that the three of us share, and my own list that's just mine.”) \n- The app shall allow a user to delete items added by other members without requiring a lengthy discussion or complex workflow. (daan-4: “I'd want to be able to remove what they add without a big discussion.”) \n- Access to the shared list shall not require each participant to create a dedicated account; a shared link that opens in a browser shall be sufficient for participation. (sofia-7: “He'd use it if it opened in the browser from a link, without making an account.”; maya-6: “Setting it up meant both of us making accounts and confirming emails, and Tom gave up halfway.”) \n- Only invited household members shall be able to view or edit the shared list, protecting the list from unauthorized access. (lena-2) \n\n**Open questions / future considerations** (to be addressed later): \n\n- What level of encryption or security protocol is required for data in transit and at rest? \n- What is the maximum acceptable sync latency for changes to appear on other members’ devices? \n\nPlease confirm this section or let me know any changes. Once approved, we can move on to the **Success Metrics** section." + }, + { + "type": "text-end", + "id": "0" + }, + { + "type": "finish", + "finishReason": { + "unified": "stop", + "raw": "stop" + }, + "usage": { + "inputTokens": { + "total": 4569, + "noCache": 4569, + "cacheRead": 0 + }, + "outputTokens": { + "total": 445, + "text": 445, + "reasoning": 0 + } + } + } + ] + } + ] + }, + { + "id": "D-1", + "recordedOn": "2026-10-20", + "words": "Users asked for grocery delivery. Add it to the PRD.", + "calls": [ + { + "durationMs": 4759, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "The user wants to add \"Users asked for grocery delivery\" to the PRD. Need to incorporate that into the PRD. However, we must verify if any interview passages mention grocery delivery. We need to search for that. If not found, must state that none of the six interviews mention grocery delivery, then ask product manager for decision. Since it's a user request, we need to record as product manager decision. According to rules: Ask only what interviews don't say, then record product manager's answer as their decision. So we need to search for \"grocery delivery\"." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:D-1:1:0", + "toolName": "searchNotes", + "input": "{\"query\": \"grocery delivery\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3063, + "noCache": 3063, + "cacheRead": 0 + }, + "outputTokens": { + "total": 142, + "text": 142, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 10425, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "text-start", + "id": "0" + }, + { + "type": "text-delta", + "id": "0", + "delta": "The six interview transcripts do not contain any mention of grocery‑delivery requests or expectations. \n\nTo capture your request accurately, could you clarify the intended scope? Please answer the short questions below (your answers will be recorded as product‑manager decisions):\n\n- Do you want the app to include an **integrated grocery‑delivery ordering** feature (e.g., placing an order directly from the list)?\n- Should the delivery option be **optional per item** (users can choose to have some items delivered and shop for others in‑store)?\n- Which **delivery partners or retailers** (if any) should be supported, or is the requirement simply “ability to trigger a delivery” without specifying a provider? " + }, + { + "type": "text-end", + "id": "0" + }, + { + "type": "reasoning-start", + "id": "1" + }, + { + "type": "reasoning-delta", + "id": "1", + "delta": "Search returned no passages about grocery delivery. So we must note that none of the six interviews mention grocery delivery. Then ask the product manager for a decision: do they want to include grocery delivery as a feature? According to process, we need to ask a short bullet question: \"The interviews don't cover grocery delivery; please confirm if this should be a product feature and any specifics (e.g., integration, scope).\" Then record their answer as a decision. But the user explicitly requested to \"Add it to the PRD\". So we need to treat that as a product manager decision. However we need to ask clarification: they may want a feature. According to rule: \"Ask only what the interviews don't say. Never ask the product manager what the interviewees think, want or do, and never ask the researcher's questions again: search instead. When a section needs something no passage says, such as a number for a goal or a choice between options, draft what the interviews support first, then ask specific, targeted questions, one to three at a time, as short bullet points.\"\n\nThus we should ask for clarification: what exactly they want regarding grocery delivery? For example: \"Do you want an integrated grocery delivery ordering capability within the app? Should it be optional, which retailers, etc.\" Provide bullet points.\n\nSo produce a response: state that none of the interviews mention grocery delivery, then ask targeted questions." + }, + { + "type": "reasoning-end", + "id": "1" + }, + { + "type": "finish", + "finishReason": { + "unified": "stop", + "raw": "stop" + }, + "usage": { + "inputTokens": { + "total": 3628, + "noCache": 3628, + "cacheRead": 0 + }, + "outputTokens": { + "total": 435, + "text": 435, + "reasoning": 0 + } + } + } + ] + } + ] + }, + { + "id": "D-2", + "recordedOn": "2026-10-20", + "words": "Users asked for grocery delivery. Add it to the PRD.", + "calls": [ + { + "durationMs": 6674, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We need to add the user request about grocery delivery. First, we must verify if any interview mentions grocery delivery. The product manager says \"Users asked for grocery delivery. Add it to the PRD.\" According to rules, we must search the interviews to see if any mention grocery delivery. If none, we must note that none of the six interviews mention it, and record product manager's decision as their own statement (citations from chat). Then we need to update the Introduction / Overview section to include that. Since the instruction is to add it to the PRD, we need to modify the Introduction section to include a statement about grocery delivery. However, the saved section is already saved. We need to update it: maybe create a new version? The process says \"saveSection\" each time we draft a section. Since we need to modify the Introduction, we can re-save the section with updated statements. We'll need to incorporate a new statement: \"Some users expressed interest in a grocery delivery integration, allowing them to order items directly from the app.\" We need to check if any interview mentions delivery. Let's search." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:D-2:1:0", + "toolName": "searchNotes", + "input": "{\"query\": \"grocery delivery\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3063, + "noCache": 3063, + "cacheRead": 0 + }, + "outputTokens": { + "total": 251, + "text": 251, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 20812, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "No passage mentions grocery delivery. So we must note that none of the six interviews mention it. The product manager wants it added; we must record that as a decision from them.\n\nThus we need to update the Introduction section with a new statement about grocery delivery, citing \"chat\" with their exact words. We need to ask them for a concise phrasing? They said \"Users asked for grocery delivery. Add it to the PRD.\" We can quote that as \"Users asked for grocery delivery.\" That's their statement. We'll add a statement: \"Some users expressed interest in a grocery delivery feature, allowing them to order items directly from the app.\" Cite chat with their quote.\n\nNow we need to re-save the Introduction section with the added statement. However, we must ensure we include all previous statements plus the new one. Let's draft the updated list.\n\nWe have 7 statements currently. We'll add an 8th about delivery.\n\nNow save.\n\n" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:D-2:2:0", + "toolName": "saveSection", + "input": "{\"section\": \"Introduction / Overview\", \"statements\": [{\"text\": \"The app is intended to enable co\\u2011habiting household members to maintain a single, shared grocery list that reflects real\\u2011time additions and deletions.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"The moment one of us puts something on it, the other should know. Honestly, I want a notification for every item someone adds.\"}, {\"source\": \"maya-4\", \"quote\": \"When I tick something off, it has to disappear from Tom's list straight away, so he doesn't buy it too.\"}]}, {\"text\": \"Current practices (paper lists, separate personal lists) lead to duplicated purchases, missed items, and inefficient navigation through the store.\", \"citations\": [{\"source\": \"maya-2\", \"quote\": \"We buy things twice. Last month we ended up with three bags of rice, because we both saw the message and both stopped at a shop.\"}, {\"source\": \"maya-4\", \"quote\": \"When I tick something off, it has to disappear from Tom's list straight away, so he doesn't buy it too.\"}, {\"source\": \"daan-6\", \"quote\": \"The paper list is in random order, so I'm walking back and forth.\"}, {\"source\": \"lena-1\", \"quote\": \"Bas and I each keep our own list, so we both buy the swimming goggles, or neither of us does.\"}]}, {\"text\": \"Real\\u2011time synchronization and instant notifications are critical; users expect to be alerted the moment an item is added, especially while en route to the store.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"I want a notification for every item someone adds.\"}, {\"source\": \"maya-4\", \"quote\": \"When I tick something off, it has to disappear from Tom's list straight away\"}]}, {\"text\": \"Organising the list by store sections (e.g., produce, dairy, dry goods, household) helps users follow a consistent shopping route and reduces back\\u2011tracking.\", \"citations\": [{\"source\": \"ravi-3\", \"quote\": \"By section of the shop, otherwise it's chaos: fruit and veg, then the fridge, then dry goods, then household.\"}, {\"source\": \"daan-6\", \"quote\": \"Same route every week: vegetables, bread, dairy, then the long aisle with tins and pasta, then cleaning products.\"}]}, {\"text\": \"Privacy separation is required; personal items should be kept distinct from shared household items.\", \"citations\": [{\"source\": \"sofia-4\", \"quote\": \"No. My own shopping is my business. I'd want my personal items somewhere the house can't see, or at least clearly apart from the shared things.\"}, {\"source\": \"lena-2\", \"quote\": \"I don't want Bas to see my whole shopping list.\"}]}, {\"text\": \"Recording who purchased each shared item could streamline monthly settlement of shared expenses, though it may be scoped as a separate feature.\", \"citations\": [{\"source\": \"sofia-3\", \"quote\": \"If the list remembered who bought what, it would save a lot of arguing.\"}]}, {\"text\": \"Simplicity and low learning curve are essential; the app must accommodate users with irregular schedules and limited time to learn new tools.\", \"citations\": [{\"source\": \"lena-6\", \"quote\": \"If it got complicated. My shifts change every week, and I don't have time to learn a tool.\"}]}, {\"text\": \"Some users expressed interest in a grocery\\u2011delivery feature, allowing them to order items directly from the app.\", \"citations\": [{\"source\": \"chat\", \"quote\": \"Users asked for grocery delivery.\"}]}]}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3737, + "noCache": 3737, + "cacheRead": 0 + }, + "outputTokens": { + "total": 1145, + "text": 1145, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 1611, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "text-start", + "id": "0" + }, + { + "type": "text-delta", + "id": "0", + "delta": "The **Introduction / Overview** section now includes the user‑requested grocery‑delivery note and has been re‑saved.\n\nDoes this capture everything you need for the overview? If so, shall we move on to **Goals / Objectives**?" + }, + { + "type": "text-end", + "id": "0" + }, + { + "type": "finish", + "finishReason": { + "unified": "stop", + "raw": "stop" + }, + "usage": { + "inputTokens": { + "total": 4329, + "noCache": 4329, + "cacheRead": 0 + }, + "outputTokens": { + "total": 52, + "text": 52, + "reasoning": 0 + } + } + } + ] + } + ] + }, + { + "id": "D-3", + "recordedOn": "2026-10-20", + "words": "Users asked for grocery delivery. Add it to the PRD.", + "calls": [ + { + "durationMs": 1450, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We need to incorporate \"Users asked for grocery delivery\" into the PRD. However, we must verify if any interview passages mention grocery delivery. Need to search." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:D-3:1:0", + "toolName": "searchNotes", + "input": "{\"query\": \"grocery delivery\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3063, + "noCache": 3063, + "cacheRead": 0 + }, + "outputTokens": { + "total": 59, + "text": 59, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 20516, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "No passage mentions grocery delivery. So we must note that none of the six interviews mention delivery. The product manager wants to add \"Users asked for grocery delivery\". Since interview doesn't support, we must record as product manager's own decision. According to rules: we need to add to PRD, but we must note that interview doesn't cover. So we need to add a statement in Introduction? Or maybe in Functional Requirements? The user says \"Add it to the PRD\". Probably a functional requirement: support grocery delivery. But we need to capture that this is product manager's decision, citing chat. We must add a new statement with citation source \"chat\" and quote the product manager's request.\n\nWe need to edit the Introduction? Could add a sentence about delivery. But better to add to Functional Requirements section later. However user says \"Add it to the PRD\". Could be we add a new statement to Introduction? But we can also add a new statement to Functional Requirements now. However we haven't drafted that section yet. Could we modify Introduction to include delivery? Possibly but introduction is about context; adding \"users asked for grocery delivery\" is okay. We'll add a statement: \"Some users expressed desire for a grocery delivery option within the app.\" Cite chat.\n\nWe need to save updated Introduction section with added statement.\n\nWe must re-save the section with new statements (including previous ones). So we need to retrieve the previous statements? We have them in saved section. We'll create a new list including previous 7 statements plus new one. Let's copy them.\n\nWe'll create saveSection with same section, statements list.\n\nNeed to include all previous statements exactly as before, plus new one.\n\nLet's construct.\n\n" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:D-3:2:0", + "toolName": "saveSection", + "input": "{\"section\": \"Introduction / Overview\", \"statements\": [{\"text\": \"The app is intended to enable co\\u2011habiting household members to maintain a single, shared grocery list that reflects real\\u2011time additions and deletions.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"The moment one of us puts something on it, the other should know. Honestly, I want a notification for every item someone adds.\"}, {\"source\": \"maya-4\", \"quote\": \"When I tick something off, it has to disappear from Tom's list straight away, so he doesn't buy it too.\"}]}, {\"text\": \"Current practices (paper lists, separate personal lists) lead to duplicated purchases, missed items, and inefficient navigation through the store.\", \"citations\": [{\"source\": \"maya-2\", \"quote\": \"We buy things twice. Last month we ended up with three bags of rice, because we both saw the message and both stopped at a shop.\"}, {\"source\": \"maya-4\", \"quote\": \"When I tick something off, it has to disappear from Tom's list straight away, so he doesn't buy it too.\"}, {\"source\": \"daan-6\", \"quote\": \"The paper list is in random order, so I'm walking back and forth.\"}, {\"source\": \"lena-1\", \"quote\": \"Bas and I each keep our own list, so we both buy the swimming goggles, or neither of us does.\"}]}, {\"text\": \"Real\\u2011time synchronization and instant notifications are critical; users expect to be alerted the moment an item is added, especially while en route to the store.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"I want a notification for every item someone adds.\"}, {\"source\": \"maya-4\", \"quote\": \"When I tick something off, it has to disappear from Tom's list straight away\"}]}, {\"text\": \"Organising the list by store sections (e.g., produce, dairy, dry goods, household) helps users follow a consistent shopping route and reduces back\\u2011tracking.\", \"citations\": [{\"source\": \"ravi-3\", \"quote\": \"By section of the shop, otherwise it's chaos: fruit and veg, then the fridge, then dry goods, then household.\"}, {\"source\": \"daan-6\", \"quote\": \"Same route every week: vegetables, bread, dairy, then the long aisle with tins and pasta, then cleaning products.\"}]}, {\"text\": \"Privacy separation is required; personal items should be kept distinct from shared household items.\", \"citations\": [{\"source\": \"sofia-4\", \"quote\": \"No. My own shopping is my business. I'd want my personal items somewhere the house can't see, or at least clearly apart from the shared things.\"}, {\"source\": \"lena-2\", \"quote\": \"I don't want Bas to see my whole shopping list.\"}]}, {\"text\": \"Recording who purchased each shared item could streamline monthly settlement of shared expenses, though it may be scoped as a separate feature.\", \"citations\": [{\"source\": \"sofia-3\", \"quote\": \"If the list remembered who bought what, it would save a lot of arguing.\"}]}, {\"text\": \"Simplicity and low learning curve are essential; the app must accommodate users with irregular schedules and limited time to learn new tools.\", \"citations\": [{\"source\": \"lena-6\", \"quote\": \"If it got complicated. My shifts change every week, and I don't have time to learn a tool.\"}]}, {\"text\": \"Some users expressed a desire for a grocery delivery option within the app.\", \"citations\": [{\"source\": \"chat\", \"quote\": \"Users asked for grocery delivery.\"}]}]}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3545, + "noCache": 3545, + "cacheRead": 0 + }, + "outputTokens": { + "total": 1228, + "text": 1228, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 1185, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "text-start", + "id": "0" + }, + { + "type": "text-delta", + "id": "0", + "delta": "The Introduction now includes the requested delivery request. \n\nDoes this look good? If so, shall we proceed to **Goals / Objectives**?" + }, + { + "type": "text-end", + "id": "0" + }, + { + "type": "finish", + "finishReason": { + "unified": "stop", + "raw": "stop" + }, + "usage": { + "inputTokens": { + "total": 4281, + "noCache": 4281, + "cacheRead": 0 + }, + "outputTokens": { + "total": 32, + "text": 32, + "reasoning": 0 + } + } + } + ] + } + ] + }, + { + "id": "E-1", + "recordedOn": "2026-10-20", + "words": "Users asked for a dark mode. Add it to the PRD.", + "calls": [ + { + "durationMs": 1127, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We need to add a statement about dark mode. First, check if any interview mentions dark mode. Search." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:E-1:1:0", + "toolName": "searchNotes", + "input": "{\"query\": \"dark mode\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3064, + "noCache": 3064, + "cacheRead": 0 + }, + "outputTokens": { + "total": 47, + "text": 47, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 28391, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "Passage henk-3 includes \"Black on white or white on black, I don't mind, as long as it's clear.\" That's about color scheme, could be interpreted as desire for dark mode (white on black). It's a request for high contrast, not exactly dark mode, but we can treat as user request for dark mode. The product manager wants to add dark mode. We need to add to PRD as a requirement. Since interview supports (some), we need to cite. Also we need to add as a functional requirement later, but for now we add to Introduction? The user says \"Add it to the PRD.\" Likely we need to add a statement about dark mode somewhere, probably in Functional Requirements. But they didn't specify section. We can add a statement in Functional Requirements. However we haven't drafted that section yet. We could add a new statement in Introduction? That may not be appropriate. Better to add to Functional Requirements later. But we must update PRD. Since we haven't drafted that section yet, we could create a new statement in Introduction about dark mode? Might be okay but more appropriate to add a functional requirement. Since we haven't drafted Functional Requirements, we can add a placeholder open question? Actually we have a request: \"Users asked for a dark mode. Add it to the PRD.\" So we need to incorporate as a requirement. Since we haven't drafted Functional Requirements, we could add a new statement in Introduction that \"The app should support a dark mode to accommodate users who prefer white-on-black or black-on-white display.\" Cite henk-3. That satisfies adding to PRD. Then later functional requirements can expand.\n\nWe need to edit the saved Introduction section with an additional statement. We need to re-save the section with the new statement. We'll retrieve the previous statements? We have them in saved content. Let's re-save with added statement.\n\nWe need to include citation henk-3 quote: \"Black on white or white on black, I don't mind, as long as it's clear.\"\n\nAdd statement: \"The app should offer a dark mode (white‑on‑black or black‑on‑white) to meet user preferences for high‑contrast viewing.\"\n\nCitations: henk-3.\n\nNow saveSection again with updated statements (including all previous). We'll need to copy all previous statements plus the new one.\n\nLet's construct statements list.\n\nWe'll include all previous statements exactly as before, plus new one at end.\n\nWe'll need to ensure citations are correct.\n\nWe'll re-use same texts.\n\nNow call saveSection." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:E-1:2:0", + "toolName": "saveSection", + "input": "{\"section\": \"Introduction / Overview\", \"statements\": [{\"text\": \"The app is intended to enable co\\u2011habiting household members to maintain a single, shared grocery list that reflects real\\u2011time additions and deletions.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"The moment one of us puts something on it, the other should know. Honestly, I want a notification for every item someone adds.\"}, {\"source\": \"maya-4\", \"quote\": \"When I tick something off, it has to disappear from Tom's list straight away, so he doesn't buy it too.\"}]}, {\"text\": \"Current practices (paper lists, separate personal lists) lead to duplicated purchases, missed items, and inefficient navigation through the store.\", \"citations\": [{\"source\": \"maya-2\", \"quote\": \"We buy things twice. Last month we ended up with three bags of rice, because we both saw the message and both stopped at a shop.\"}, {\"source\": \"maya-4\", \"quote\": \"When I tick something off, it has to disappear from Tom's list straight away, so he doesn't buy it too.\"}, {\"source\": \"daan-6\", \"quote\": \"The paper list is in random order, so I'm walking back and forth.\"}, {\"source\": \"lena-1\", \"quote\": \"Bas and I each keep our own list, so we both buy the swimming goggles, or neither of us does.\"}]}, {\"text\": \"Real\\u2011time synchronization and instant notifications are critical; users expect to be alerted the moment an item is added, especially while en route to the store.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"I want a notification for every item someone adds.\"}, {\"source\": \"maya-4\", \"quote\": \"When I tick something off, it has to disappear from Tom's list straight away\"}]}, {\"text\": \"Organising the list by store sections (e.g., produce, dairy, dry goods, household) helps users follow a consistent shopping route and reduces back\\u2011tracking.\", \"citations\": [{\"source\": \"ravi-3\", \"quote\": \"By section of the shop, otherwise it's chaos: fruit and veg, then the fridge, then dry goods, then household.\"}, {\"source\": \"daan-6\", \"quote\": \"Same route every week: vegetables, bread, dairy, then the long aisle with tins and pasta, then cleaning products.\"}]}, {\"text\": \"Privacy separation is required; personal items should be kept distinct from shared household items.\", \"citations\": [{\"source\": \"sofia-4\", \"quote\": \"No. My own shopping is my business. I'd want my personal items somewhere the house can't see, or at least clearly apart from the shared things.\"}, {\"source\": \"lena-2\", \"quote\": \"I don't want Bas to see my whole shopping list.\"}]}, {\"text\": \"Recording who purchased each shared item could streamline monthly settlement of shared expenses, though it may be scoped as a separate feature.\", \"citations\": [{\"source\": \"sofia-3\", \"quote\": \"If the list remembered who bought what, it would save a lot of arguing.\"}]}, {\"text\": \"Simplicity and low learning curve are essential; the app must accommodate users with irregular schedules and limited time to learn new tools.\", \"citations\": [{\"source\": \"lena-6\", \"quote\": \"If it got complicated. My shifts change every week, and I don't have time to learn a tool.\"}]}, {\"text\": \"The app should offer a dark mode (white\\u2011on\\u2011black or black\\u2011on\\u2011white) to meet user preferences for high\\u2011contrast viewing.\", \"citations\": [{\"source\": \"henk-3\", \"quote\": \"Black on white or white on black, I don't mind, as long as it's clear.\"}]}]}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3529, + "noCache": 3529, + "cacheRead": 0 + }, + "outputTokens": { + "total": 1448, + "text": 1448, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 1550, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "text-start", + "id": "0" + }, + { + "type": "text-delta", + "id": "0", + "delta": "The **Introduction / Overview** section now includes the dark‑mode request. \n\nDoes this look complete? If so, shall we proceed to the **Goals / Objectives** section?" + }, + { + "type": "text-end", + "id": "0" + }, + { + "type": "finish", + "finishReason": { + "unified": "stop", + "raw": "stop" + }, + "usage": { + "inputTokens": { + "total": 4469, + "noCache": 4469, + "cacheRead": 0 + }, + "outputTokens": { + "total": 40, + "text": 40, + "reasoning": 0 + } + } + } + ] + } + ] + }, + { + "id": "E-2", + "recordedOn": "2026-10-20", + "words": "Users asked for a dark mode. Add it to the PRD.", + "calls": [ + { + "durationMs": 16070, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We need to add dark mode to the PRD. The user says \"Users asked for a dark mode. Add it to the PRD.\" We need to incorporate this into the appropriate section. Dark mode is a functional requirement (or non-functional UI requirement). The user is stating that users asked for it, but we need to verify if any interview mentions dark mode. We have not searched for dark mode. Likely none of the six interviews mention dark mode. So we must note that no interview covers it. According to rules: \"Ask only what the interviews don't say. Never ask the product manager what the interviewees think, want or do, and never ask the researcher's questions again: search instead. When a section needs something no passage says, such as a number for a goal or a choice between options, draft what the interviews support first, then ask specific, targeted questions, one to three at a time, as short bullet points.\" So we need to search for dark mode." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:E-2:1:0", + "toolName": "searchNotes", + "input": "{\"query\": \"dark mode\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3064, + "noCache": 3064, + "cacheRead": 0 + }, + "outputTokens": { + "total": 225, + "text": 225, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 19772, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We have Henk mentions \"Black on white or white on black, I don't mind, as long as it's clear.\" That's about color scheme preference, but not specifically \"dark mode\". However it's relevant. So there is some mention of preference for dark mode (white on black). So we can cite Henk-3.\n\nNow we need to incorporate dark mode into PRD. Which section? Could be functional requirement (UI feature) or non-functional requirement (appearance). Probably functional requirement: \"The app shall support a dark mode theme.\" Also we need to add to the appropriate sections: maybe add a statement to Functional Requirements section. But we haven't drafted that section yet. The user wants to add dark mode to PRD. Could add a new statement in Functional Requirements now, or create an open question if not covered. Since Henk mentions preference, we can cite that. So we can add a functional requirement: \"The app shall provide a dark theme option (dark mode) to improve readability for users with visual preferences.\" Cite Henk-3.\n\nWe should also note that no other interview mentions dark mode. That is okay.\n\nWe need to save a section. Which section? Since we haven't drafted Functional Requirements yet, maybe we need to add a statement to Functional Requirements. But the user didn't specify which section. We could create a new entry in Functional Requirements. So we need to draft the Functional Requirements section now, including dark mode and other functionalities we have from interviews. However we already have some statements from earlier sections that could be functional requirements. But we can create the Functional Requirements section now and include dark mode.\n\nBut we should verify if there are other functional requirements from earlier statements: real-time sync, notifications, list organization by store sections, privacy separation, personal vs shared items, record who purchased, simplicity. Those can be functional requirements.\n\nThus we need to draft Functional Requirements section, with statements and citations. Then ask product manager to confirm.\n\nWe must ensure each statement cites a source. For dark mode, we have Henk-3. For real-time sync, we have Maya-3 or Maya-4. For notifications, Maya-3. For list organization, Ravi-3 or Daan-6. For privacy separation, Sofia-4 or Lena-2. For recording who purchased, Sofia-3. For simplicity, Lena-6.\n\nLet's draft the Functional Requirements section.\n\n" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:E-2:2:0", + "toolName": "saveSection", + "input": "{\"section\": \"Functional Requirements\", \"statements\": [{\"text\": \"The app shall allow any household member to add items to a shared grocery list, with the addition instantly visible to all other members.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"The moment one of us puts something on it, the other should know.\"}]}, {\"text\": \"The app shall provide instant push notifications to all members when a new item is added to the shared list.\", \"citations\": [{\"source\": \"maya-3\", \"quote\": \"I want a notification for every item someone adds.\"}]}, {\"text\": \"When a user checks off (purchases) an item, the item shall be removed from the shared list for all members in real time.\", \"citations\": [{\"source\": \"maya-4\", \"quote\": \"When I tick something off, it has to disappear from Tom's list straight away.\"}]}, {\"text\": \"The list shall be sortable or grouped by store sections (e.g., produce, dairy, dry goods, household) to support a consistent shopping route.\", \"citations\": [{\"source\": \"ravi-3\", \"quote\": \"By section of the shop, otherwise it's chaos: fruit and veg, then the fridge, then dry goods, then household.\"}, {\"source\": \"daan-6\", \"quote\": \"Same route every week: vegetables, bread, dairy, then the long aisle with tins and pasta, then cleaning products.\"}]}, {\"text\": \"The app shall support a clear separation between shared household items and personal items, allowing users to keep personal items private.\", \"citations\": [{\"source\": \"sofia-4\", \"quote\": \"No. My own shopping is my business. I'd want my personal items somewhere the house can't see, or at least clearly apart from the shared things.\"}, {\"source\": \"lena-2\", \"quote\": \"I don't want Bas to see my whole shopping list.\"}]}, {\"text\": \"The app shall optionally record which household member purchased each shared item, to aid later expense settlement.\", \"citations\": [{\"source\": \"sofia-3\", \"quote\": \"If the list remembered who bought what, it would save a lot of arguing.\"}]}, {\"text\": \"The app shall have a simple, low\\u2011learning\\u2011curve interface with minimal buttons and clear text, suitable for users with irregular schedules.\", \"citations\": [{\"source\": \"lena-6\", \"quote\": \"If it got complicated. My shifts change every week, and I don't have time to learn a tool.\"}]}, {\"text\": \"The app shall provide a dark\\u2011mode theme (white text on black background or similar) as an optional display setting.\", \"citations\": [{\"source\": \"henk-3\", \"quote\": \"Big letters. Black on white or white on black, I don't mind, as long as it's clear.\"}]}]}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3707, + "noCache": 3707, + "cacheRead": 0 + }, + "outputTokens": { + "total": 1190, + "text": 1190, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 1469, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "text-start", + "id": "0" + }, + { + "type": "text-delta", + "id": "0", + "delta": "The **Functional Requirements** section now includes the dark‑mode request (citing Henk’s preference) along with other core capabilities derived from the interviews. \n\nDoes this capture the needed functionality? If so, shall we move on to **Non‑Functional Requirements**?" + }, + { + "type": "text-end", + "id": "0" + }, + { + "type": "finish", + "finishReason": { + "unified": "stop", + "raw": "stop" + }, + "usage": { + "inputTokens": { + "total": 4428, + "noCache": 4428, + "cacheRead": 0 + }, + "outputTokens": { + "total": 58, + "text": 58, + "reasoning": 0 + } + } + } + ] + } + ] + }, + { + "id": "E-3", + "recordedOn": "2026-10-20", + "words": "Users asked for a dark mode. Add it to the PRD.", + "calls": [ + { + "durationMs": 1631, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We need to add dark mode to the PRD. Dark mode is a request from users. Need to verify if any interview mentions dark mode. We have not searched for dark mode. Likely no interview mentions dark mode. So we must search." + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:E-3:1:0", + "toolName": "searchNotes", + "input": "{\"query\": \"dark mode\"}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3064, + "noCache": 3064, + "cacheRead": 0 + }, + "outputTokens": { + "total": 75, + "text": 75, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 9566, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "reasoning-start", + "id": "0" + }, + { + "type": "reasoning-delta", + "id": "0", + "delta": "We have passages where Henk mentions dark mode preference: \"Black on white or white on black, I don't mind, as long as it's clear.\" That's a preference for dark mode.\n\nThus we can add a requirement under Functional Requirements: support dark mode (theme). Also possibly under Non-Functional Requirements: accessibility, readability.\n\nBut the user said \"Users asked for a dark mode. Add it to the PRD.\"\n\nWe need to add it to appropriate sections: likely Functional Requirements, maybe also mention as user request in Introduction? But we already saved Introduction. We can edit Introduction? The instruction: we should not modify saved sections but we can add new statements in new sections. However we could add a new statement to Introduction referencing dark mode request. But that would be editing a saved section, which we can't directly edit; we could create a new version? The process says we draft sections one at a time; we could add a new statement to Introduction? Not typical; maybe we should add to Functional Requirements.\n\nThus we need to add a statement: \"The app shall provide a dark mode (white text on black background) that users can toggle, to improve readability in low‑light environments.\" Cite Henk-3 for preference for white on black.\n\nWe also need to add a statement about user request: \"User request: dark mode\" citing Henk-3.\n\nWe need to save a new section? Possibly \"Functional Requirements\" where we add this requirement.\n\nBut we haven't drafted Functional Requirements yet. We can now draft that section, including dark mode requirement.\n\nWe must ensure each statement cites at least one source. For dark mode, we have Henk-3.\n\nSo we will draft Functional Requirements section with multiple statements (maybe include others from earlier? But we only need to include dark mode as addition). The instruction: \"Add it to the PRD.\" So we can add a new statement in Functional Requirements.\n\nThus we will draft Functional Requirements with at least the dark mode requirement. Possibly also include prior functional aspects? Not required, but we can include only dark mode for now.\n\nWe must save section. Then check.\n\n" + }, + { + "type": "reasoning-end", + "id": "0" + }, + { + "type": "tool-call", + "toolCallId": "replay:E-3:2:0", + "toolName": "saveSection", + "input": "{\"section\": \"Functional Requirements\", \"statements\": [{\"text\": \"The app shall provide a dark mode (light text on dark background) that users can toggle, to improve readability in low\\u2011light environments.\", \"citations\": [{\"source\": \"henk-3\", \"quote\": \"Black on white or white on black, I don't mind, as long as it's clear.\"}]}]}" + }, + { + "type": "finish", + "finishReason": { + "unified": "tool-calls", + "raw": "tool_calls" + }, + "usage": { + "inputTokens": { + "total": 3557, + "noCache": 3557, + "cacheRead": 0 + }, + "outputTokens": { + "total": 548, + "text": 548, + "reasoning": 0 + } + } + } + ] + }, + { + "durationMs": 1006, + "parts": [ + { + "type": "stream-start", + "warnings": [] + }, + { + "type": "text-start", + "id": "0" + }, + { + "type": "text-delta", + "id": "0", + "delta": "**Functional Requirements** – saved with the dark‑mode requirement.\n\nDoes this reflect the user request correctly? If so, we can continue to the next section (e.g., Non‑Functional Requirements) or add any other details you’d like." + }, + { + "type": "text-end", + "id": "0" + }, + { + "type": "finish", + "finishReason": { + "unified": "stop", + "raw": "stop" + }, + "usage": { + "inputTokens": { + "total": 3747, + "noCache": 3747, + "cacheRead": 0 + }, + "outputTokens": { + "total": 53, + "text": 53, + "reasoning": 0 + } + } + } + ] + } + ] + } + ] +} diff --git a/src/server/ai/replays.ts b/src/server/ai/replays.ts new file mode 100644 index 0000000..33a4df1 --- /dev/null +++ b/src/server/ai/replays.ts @@ -0,0 +1,166 @@ +import type { ChatModelStreamPart } from "./chat-model.ts"; + +// Real answers, recorded by the measurement and replayed by `npm run +// dev:replay` (docs/plan.md, slice 22). `npm run replays:copy` trims a +// measurement's counted runs into `REPLAYS_FILE`: each model call's parts and +// its duration, nothing else. No request bodies, headers, Cloudflare's ids or +// logs; a tool call's id is the replay's own, which also tells the replay +// which recording an answer's later calls belong to. + +/** Where the copy goes, from the project's root. */ +export const REPLAYS_FILE = "src/server/ai/replays.json"; + +/** How many counted runs of each request the copy keeps. */ +export const REPLAYS_PER_REQUEST = 3; + +export type ReplayedCall = { + /** How long the real model took to reply. */ + durationMs: number; + /** Its reply, as the AI SDK saw it. */ + parts: ChatModelStreamPart[]; +}; + +export type Recording = { + /** The request and its run, such as "A-3". */ + id: string; + /** The UTC day it was recorded. */ + recordedOn: string; + /** The visitor's words, which pick it. */ + words: string; + calls: ReplayedCall[]; +}; + +export type Replays = { + format: 1; + /** The measurement the runs come from. */ + measurement: string; + recordings: Recording[]; +}; + +const REPLAY_ID = /^replay:([A-Za-z0-9-]+):(\d+):(\d+)$/; + +/** A replayed tool call's id: the recording, the call and its place in it. */ +export function replayCallId(recording: string, call: number, index: number) { + return `replay:${recording}:${call}:${index}`; +} + +/** The recording a replayed tool call's id names, if it is one. */ +export function recordingOfCallId(toolCallId: string): string | undefined { + return REPLAY_ID.exec(toolCallId)?.[1]; +} + +/** The visitor's words as the replay compares them. */ +export function normalizedWords(text: string): string { + return text.normalize("NFC").toLowerCase().replace(/\s+/g, " ").trim(); +} + +/** What the copy reads of a measurement's record (`measurement/answer.ts`). */ +export type MeasuredRecord = { + setup: { request: string; run: number }; + outcome: { kind: string }; + refusals: unknown[]; + modelCalls: { + call: number; + durationMs?: number; + parts?: Record[]; + error?: unknown; + }[]; +}; + +/** Whether a record can be replayed: counted, with every call answered. */ +export function isReplayable(record: MeasuredRecord): boolean { + return ( + record.outcome.kind === "counted" && + record.refusals.length === 0 && + record.modelCalls.length > 0 && + record.modelCalls.every( + (call) => + call.error === undefined && + call.parts !== undefined && + typeof call.durationMs === "number", + ) + ); +} + +/** Whether the answer's last call wrote words. */ +export function endsWithWords(record: MeasuredRecord): boolean { + return (record.modelCalls.at(-1)?.parts ?? []).some( + (part) => + part.type === "text-delta" && + typeof part.delta === "string" && + part.delta.trim() !== "", + ); +} + +/** A replayable record, trimmed to its calls' parts and durations. */ +export function toRecording( + record: MeasuredRecord, + { recordedOn, words }: { recordedOn: string; words: string }, +): Recording { + const id = `${record.setup.request}-${record.setup.run}`; + return { + id, + recordedOn, + words, + calls: record.modelCalls.map((call, index) => ({ + durationMs: call.durationMs ?? 0, + parts: trimParts(call.parts ?? [], id, index + 1), + })), + }; +} + +function trimParts( + parts: Record[], + recording: string, + call: number, +): ChatModelStreamPart[] { + let toolCalls = 0; + return parts.flatMap((part): ChatModelStreamPart[] => { + const id = String(part.id); + switch (part.type) { + case "stream-start": + return [{ type: "stream-start", warnings: [] }]; + // Cloudflare's id, the reply's headers and its time. + case "response-metadata": + return []; + case "reasoning-start": + case "reasoning-end": + case "text-start": + case "text-end": + return [{ type: part.type, id }]; + case "reasoning-delta": + case "text-delta": + return [{ type: part.type, id, delta: String(part.delta) }]; + case "tool-call": + return [ + { + type: "tool-call", + toolCallId: replayCallId(recording, call, toolCalls++), + toolName: String(part.toolName), + input: String(part.input), + }, + ]; + case "finish": { + const { finishReason, usage } = part as Extract< + ChatModelStreamPart, + { type: "finish" } + >; + // Without the provider's own figures (`raw`) and metadata. + return [ + { + type: "finish", + finishReason, + usage: { + inputTokens: usage.inputTokens, + outputTokens: usage.outputTokens, + }, + }, + ]; + } + default: + throw new Error( + `${recording}, call ${call}: a part of type "${String(part.type)}" can't be replayed yet.`, + ); + } + }); +} diff --git a/src/server/env.ts b/src/server/env.ts index f7414dc..dd4c2f6 100644 --- a/src/server/env.ts +++ b/src/server/env.ts @@ -1,5 +1,9 @@ import { z } from "zod"; -import { AI_PROVIDERS, type ProviderSettings } from "./ai/providers.ts"; +import { + AI_PROVIDERS, + CHAT_PROVIDERS, + type ProviderSettings, +} from "./ai/providers.ts"; // Each part of the app reads only the settings it needs, checked here, so a // missing or mistyped value fails with a clear message instead of halfway @@ -33,9 +37,13 @@ export function readAppEnv(env: Settings = process.env) { const aiSchema = z.object({ AI_PROVIDER: z.enum(AI_PROVIDERS), - // The chat model's adapter alone; `npm run dev:real` sets it for the dev - // server. An empty line in an env file means unset, like a missing one. - AI_CHAT_PROVIDER: z.union([z.enum(AI_PROVIDERS), z.literal("")]).optional(), + // The chat model's adapter alone; `npm run dev:real` and `npm run + // dev:replay` set it for the dev server. An empty line in an env file means + // unset, like a missing one. + AI_CHAT_PROVIDER: z.union([z.enum(CHAT_PROVIDERS), z.literal("")]).optional(), + // How many times faster than recorded the replay runs; the end-to-end + // tests shorten its waits with it. + REPLAY_SPEED: z.coerce.number().min(1).optional(), // 32 hexadecimal characters, so a token pasted here by mistake is refused. CLOUDFLARE_ACCOUNT_ID: z .string() @@ -53,6 +61,7 @@ export function providerSettings( chatProvider: env.AI_CHAT_PROVIDER || undefined, cloudflareAccountId: env.CLOUDFLARE_ACCOUNT_ID, cloudflareApiToken: env.CLOUDFLARE_API_TOKEN, + replaySpeed: env.REPLAY_SPEED, }; } diff --git a/tests/AGENTS.md b/tests/AGENTS.md index 7397cc1..c889580 100644 --- a/tests/AGENTS.md +++ b/tests/AGENTS.md @@ -6,7 +6,7 @@ | Unit | `tests/unit/` | Vitest, Testing Library, jsdom | Logic, validation, components | `npm run test:unit` | | Integration | `tests/integration/` | Vitest against the local database | Real operations, from the operation to the database | `npm run test:integration` | | SQL | `supabase/tests/database/` | pgTAP through the Supabase CLI | Grants, row-level security and constraints, as each role | `npm run test:sql` | -| End to end | `tests/e2e/` | Playwright against a production build on port 3100 | What a visitor sees, plus an axe accessibility check on every page | `npm run test:e2e` | +| End to end | `tests/e2e/` | Playwright against a production build on port 3100, and the same build replaying recorded answers on port 3101 | What a visitor sees, plus an axe accessibility check on every page | `npm run test:e2e` | Every feature gets a test in each layer it touches. A bug fix starts with a test that fails without the fix. @@ -15,6 +15,7 @@ Every feature gets a test in each layer it touches. A bug fix starts with a test - **Fakes sit only at external boundaries.** That means the AI provider: the fake embedder (`src/server/ai/fake-embedder.ts`) and the fake chat model (`src/server/ai/fake-chat-model.ts`). The database is real in integration tests, never mocked. - **The fake embedder counts shared words,** without stemming or synonyms ("notification" and "notifications" are different words to it). A search test's question uses the words of the passages it expects; search by meaning can only be checked on staging. - **The fake chat model follows a script:** it searches with the visitor's whole message, then quotes the closest passage. A message with "draft" or "section" in it makes it save a section instead, the one the message names last (so the check-in, "Introduction / Overview looks right. Please draft Goals / Objectives.", drafts Goals / Objectives), or the first when it names none: one statement per closest passage (up to three) quoting the first sentence of its answer, and one quoting the message's first sentence, then a reply saying what the check found. `FAKE_SEARCH_AGAIN` makes it search again with the same words while the search is on offer (three times), so the chat folds its searches. `FAKE_FLAWED_SECTION` in the message adds three flaws for the check to catch: a quote from the researcher's question, another passage's words under the first passage's id, and a statement that cites nothing. A message containing `FAKE_FAILURES.beforeAnswering` or `FAKE_FAILURES.partway` makes it fail once, so a retry succeeds. Its memory of failed messages lasts as long as the server, so an end-to-end test adds `testInfo.testId` to its message. Unit tests pass their own `failedMessages` and `chunkDelayInMs: 0`. +- **The replayed answers** (`src/server/ai/replay-chat-model.ts`) run only on the second server of `playwright.config.ts`, port 3101, started after the first on its build with `AI_CHAT_PROVIDER=replay` and `REPLAY_SPEED=100`; only `tests/e2e/replay.spec.ts` goes there, and every other test stays on the scripted fake. That server gives each request's recordings out in turn, so a test there expects the first recording only once per run. Unit tests pass the replay their own `picks` and use fake timers for its waits. - **Next.js renders its own empty `role="alert"`** (the route announcer) on every page. Scope alert lookups to the part of the page under test. - **`server-only`:** Vitest maps it to an empty module (`vitest.config.ts`), so tests can import server code. diff --git a/tests/e2e/replay.spec.ts b/tests/e2e/replay.spec.ts new file mode 100644 index 0000000..64ce9ff --- /dev/null +++ b/tests/e2e/replay.spec.ts @@ -0,0 +1,46 @@ +import { readFileSync } from "node:fs"; +import { expect, test } from "@playwright/test"; +import { REPLAYS_FILE, type Replays } from "@/server/ai/replays"; +import { expectNoAccessibilityViolations } from "./accessibility"; + +// The replayed real answers (`npm run dev:replay`; src/server/ai/ +// replay-chat-model.ts) on the second server of playwright.config.ts, which +// replays a hundred times faster than recorded. Every other test runs on the +// scripted fake on port 3100. + +const REPLAY_URL = "http://127.0.0.1:3101"; + +const replays = JSON.parse(readFileSync(REPLAYS_FILE, "utf8")) as Replays; + +/** The words the first recording of request A wrote last. */ +function firstWordsOfA(): string { + const first = replays.recordings.find((recording) => + recording.id.startsWith("A-"), + ); + const text = (first?.calls.at(-1)?.parts ?? []) + .flatMap((part) => (part.type === "text-delta" ? [part.delta] : [])) + .join(""); + // A sentence of plain words, which the chat shows as written. + const sentence = text.match(/[A-Z][^.?!*]*[.?!]/)?.[0]; + if (!sentence) + throw new Error("The first recording of A writes no sentence."); + return sentence; +} + +test("the intro's button replays a real answer with its recorded words", async ({ + page, +}) => { + await page.goto(REPLAY_URL); + await page.getByRole("button", { name: "Draft the first section" }).click(); + + const conversation = page.getByRole("list", { name: "Conversation" }); + await expect(conversation.getByText(firstWordsOfA())).toBeVisible(); + // Its searches and its save ran here, on the local database. + await expect( + conversation.getByRole("button", { + name: "See it: Introduction / Overview", + }), + ).toBeVisible(); + await expect(conversation).not.toContainText("This is the local fake model"); + await expectNoAccessibilityViolations(page); +}); diff --git a/tests/unit/env-guard.test.ts b/tests/unit/env-guard.test.ts index 6f72402..5b8426a 100644 --- a/tests/unit/env-guard.test.ts +++ b/tests/unit/env-guard.test.ts @@ -75,6 +75,17 @@ describe("the environment guard", () => { } }); + it("lets the chat replay recorded answers, which reach no provider", () => { + expect( + checkEnvironment([ + { name: "the shell", values: { ...local, AI_CHAT_PROVIDER: "replay" } }, + ]), + ).toEqual([]); + expect(check({ ...local, AI_PROVIDER: "replay" })).toEqual([ + expect.objectContaining({ variable: "AI_PROVIDER" }), + ]); + }); + it("allows this machine's token in .env.development.local only", () => { expect(PROVIDER_KEY_FILE).toBe(".env.development.local"); expect( diff --git a/tests/unit/providers.test.ts b/tests/unit/providers.test.ts index 43bade9..2c7553f 100644 --- a/tests/unit/providers.test.ts +++ b/tests/unit/providers.test.ts @@ -2,6 +2,7 @@ import { describe, expect, it } from "vitest"; import { FAKE_CHAT_MODEL } from "@/server/ai/fake-chat-model"; import { CHAT_MODEL, EMBEDDING_MODEL } from "@/server/ai/models"; import { createChatModel, createEmbedder } from "@/server/ai/providers"; +import { REPLAY_CHAT_MODEL } from "@/server/ai/replay-chat-model"; import { providerSettings, readChatEnv, readLoaderEnv } from "@/server/env"; const cloudflare = { @@ -145,6 +146,31 @@ describe("the chat model on its own adapter", () => { }, ); + it("replays recorded answers as the chat model alone, at the speed asked", () => { + expect( + createChatModel({ provider: "fake", chatProvider: "replay" }).modelId, + ).toBe(REPLAY_CHAT_MODEL); + expect(() => createChatModel({ provider: "replay" })).toThrow( + 'Unknown AI_PROVIDER "replay"', + ); + expect(() => createEmbedder({ provider: "replay" })).toThrow( + /Unknown AI_PROVIDER/, + ); + + const env = readChatEnv({ + AI_PROVIDER: "fake", + AI_CHAT_PROVIDER: "replay", + REPLAY_SPEED: "100", + }); + expect(providerSettings(env)).toMatchObject({ + chatProvider: "replay", + replaySpeed: 100, + }); + expect(() => + readChatEnv({ AI_PROVIDER: "fake", REPLAY_SPEED: "0.5" }), + ).toThrow(/REPLAY_SPEED/); + }); + it("needs the token for the real chat model", () => { expect(() => createChatModel({ provider: "fake", chatProvider: "cloudflare" }), diff --git a/tests/unit/replay-chat-model.test.ts b/tests/unit/replay-chat-model.test.ts new file mode 100644 index 0000000..4f0fd6b --- /dev/null +++ b/tests/unit/replay-chat-model.test.ts @@ -0,0 +1,481 @@ +import { readFileSync } from "node:fs"; +import { afterEach, beforeEach, describe, expect, it, vi } from "vitest"; +import type { + ChatModelCall, + ChatModelStreamPart, +} from "@/server/ai/chat-model"; +import { + createReplayChatModel, + REPLAY_CHAT_MODEL, +} from "@/server/ai/replay-chat-model"; +import { + endsWithWords, + isReplayable, + normalizedWords, + recordingOfCallId, + REPLAYS_FILE, + REPLAYS_PER_REQUEST, + toRecording, + type MeasuredRecord, + type Recording, + type Replays, +} from "@/server/ai/replays"; +import { REQUESTS } from "@/server/measurement/requests"; + +type Prompt = ChatModelCall["prompt"]; + +const SEARCH_TOOL = { + type: "function", + name: "searchNotes", + inputSchema: { type: "object", properties: { query: { type: "string" } } }, +} as const; + +type FinishPart = Extract; + +const FINISH_TOOL_CALLS: FinishPart = { + type: "finish", + finishReason: { unified: "tool-calls", raw: "tool_calls" }, + usage: { + inputTokens: { + total: 1904, + noCache: 1904, + cacheRead: 0, + cacheWrite: undefined, + }, + outputTokens: { total: 94, text: 94, reasoning: 0 }, + }, +}; + +const FINISH_STOP: FinishPart = { + ...FINISH_TOOL_CALLS, + finishReason: { unified: "stop", raw: "stop" }, +}; + +/** A recording that searches once, then writes its answer. */ +function recording(id: string, words: string, answer: string): Recording { + return { + id, + recordedOn: "2026-10-20", + words, + calls: [ + { + durationMs: 2000, + parts: [ + { type: "stream-start", warnings: [] }, + { + type: "tool-call", + toolCallId: `replay:${id}:1:0`, + toolName: "searchNotes", + input: JSON.stringify({ query: "delivery" }), + }, + FINISH_TOOL_CALLS, + ], + }, + { + durationMs: 9000, + parts: [ + { type: "stream-start", warnings: [] }, + { type: "reasoning-start", id: "0" }, + { type: "reasoning-delta", id: "0", delta: "No one asked." }, + { type: "reasoning-end", id: "0" }, + { type: "text-start", id: "1" }, + { type: "text-delta", id: "1", delta: answer }, + { type: "text-end", id: "1" }, + FINISH_STOP, + ], + }, + ], + }; +} + +const DELIVERY = "Users asked for grocery delivery. Add it to the PRD."; + +const REPLAYS: Replays = { + format: 1, + measurement: "baseline", + recordings: [ + recording("D-1", DELIVERY, "None of the interviews mention delivery."), + recording("D-2", DELIVERY, "No interviewee asked for delivery."), + ], +}; + +function visitorSays(text: string): Prompt[number] { + return { role: "user", content: [{ type: "text", text }] }; +} + +/** The prompt after one call that searched, and the search's result. */ +function afterCall(prompt: Prompt, toolCallId: string): Prompt { + return [ + ...prompt, + { + role: "assistant", + content: [ + { + type: "tool-call", + toolCallId, + toolName: "searchNotes", + input: { query: "delivery" }, + }, + ], + }, + { + role: "tool", + content: [ + { + type: "tool-result", + toolCallId, + toolName: "searchNotes", + output: { type: "json", value: { passages: [] } }, + }, + ], + }, + ]; +} + +function replay(options: { speed?: number } = {}) { + return createReplayChatModel({ + replays: REPLAYS, + picks: new Map(), + ...options, + }); +} + +async function readAll(stream: ReadableStream) { + const parts: ChatModelStreamPart[] = []; + for await (const part of stream) parts.push(part); + return parts; +} + +function textOf(parts: ChatModelStreamPart[]): string { + return parts + .flatMap((part) => (part.type === "text-delta" ? [part.delta] : [])) + .join(""); +} + +/** The parts once every wait has passed. */ +async function partsOf( + model: ReturnType, + prompt: Prompt, + tools: ChatModelCall["tools"] = [SEARCH_TOOL], +) { + const pending = model.doStream({ prompt, tools }); + await vi.runAllTimersAsync(); + return readAll((await pending).stream); +} + +describe("the replay chat model", () => { + beforeEach(() => { + vi.useFakeTimers(); + }); + afterEach(() => { + vi.useRealTimers(); + }); + + it("is named as a replay", () => { + expect(replay().modelId).toBe(REPLAY_CHAT_MODEL); + }); + + describe("picking a recording", () => { + it("picks one by the visitor's words, ignoring case and spacing", async () => { + const parts = await partsOf(replay(), [ + visitorSays(" users asked for GROCERY delivery.\nAdd it to the PRD. "), + ]); + + expect(parts).toEqual(REPLAYS.recordings[0]?.calls[0]?.parts); + }); + + it("gives the request's recordings out in turn", async () => { + const model = replay(); + const ids = []; + for (let asked = 0; asked < 3; asked++) { + const parts = await partsOf(model, [visitorSays(DELIVERY)]); + const call = parts.find((part) => part.type === "tool-call"); + ids.push(call?.type === "tool-call" && call.toolCallId); + } + + expect(ids).toEqual([ + "replay:D-1:1:0", + "replay:D-2:1:0", + "replay:D-1:1:0", + ]); + }); + + it("continues the answer's own recording with its next call", async () => { + const model = replay(); + // D-2's search, though D-1 would be the next to give out. + const prompt = afterCall([visitorSays(DELIVERY)], "replay:D-2:1:0"); + + expect(textOf(await partsOf(model, prompt))).toBe( + "No interviewee asked for delivery.", + ); + }); + + it("looks only at the latest message's answer", async () => { + const earlier = afterCall([visitorSays(DELIVERY)], "replay:D-2:1:0"); + const parts = await partsOf(replay(), [ + ...earlier, + { + role: "assistant", + content: [{ type: "text", text: "No interviewee asked." }], + }, + visitorSays(DELIVERY), + ]); + + expect(parts).toEqual(REPLAYS.recordings[0]?.calls[0]?.parts); + }); + }); + + describe("pacing", () => { + it("sends each call's reply whole, after the call's recorded duration", async () => { + const pending = replay().doStream({ + prompt: [visitorSays(DELIVERY)], + tools: [SEARCH_TOOL], + }); + let arrived = false; + void pending.then(() => (arrived = true)); + + await vi.advanceTimersByTimeAsync(1999); + expect(arrived).toBe(false); + await vi.advanceTimersByTimeAsync(1); + expect(arrived).toBe(true); + expect(await readAll((await pending).stream)).toHaveLength(3); + }); + + it("waits less at a higher speed", async () => { + const pending = replay({ speed: 100 }).doStream({ + prompt: afterCall([visitorSays(DELIVERY)], "replay:D-1:1:0"), + tools: [], + }); + let arrived = false; + void pending.then(() => (arrived = true)); + + await vi.advanceTimersByTimeAsync(89); + expect(arrived).toBe(false); + await vi.advanceTimersByTimeAsync(1); + expect(arrived).toBe(true); + }); + + it("stops waiting when the visitor stops", async () => { + const controller = new AbortController(); + const pending = replay().doStream({ + prompt: [visitorSays(DELIVERY)], + tools: [SEARCH_TOOL], + abortSignal: controller.signal, + }); + const outcome = pending.then( + () => "arrived", + (error: unknown) => error, + ); + + await vi.advanceTimersByTimeAsync(500); + controller.abort(); + + expect(await outcome).toMatchObject({ name: "AbortError" }); + }); + }); + + describe("anything else", () => { + it("gets the scripted fake's answer, whole, after a wait the recordings show", async () => { + const pending = replay().doStream({ + prompt: [visitorSays("Who wants a ping?")], + tools: [SEARCH_TOOL], + }); + let arrived = false; + void pending.then(() => (arrived = true)); + + // Waits recorded: 2000 and 9000ms; a prompt of 1 message picks 9000. + await vi.advanceTimersByTimeAsync(8999); + expect(arrived).toBe(false); + await vi.advanceTimersByTimeAsync(1); + expect(arrived).toBe(true); + + const parts = await readAll((await pending).stream); + expect(parts).toContainEqual( + expect.objectContaining({ + type: "tool-call", + toolCallId: expect.stringMatching(/^fake-search-/), + }), + ); + }); + + it("keeps an answer that started on the fake on the fake", async () => { + const prompt = afterCall([visitorSays(DELIVERY)], "fake-search-1"); + const parts = await partsOf(replay(), prompt); + + expect(textOf(parts)).toMatch(/This is the local fake model/); + }); + + it("goes on with the fake once a recording has no calls left", async () => { + let prompt = afterCall([visitorSays(DELIVERY)], "replay:D-1:1:0"); + prompt = afterCall(prompt, "replay:D-1:2:0"); + const parts = await partsOf(replay(), prompt, []); + + expect(textOf(parts)).toMatch(/This is the local fake model/); + }); + }); +}); + +describe("the copy of a measurement's records", () => { + const record: MeasuredRecord = { + setup: { request: "D", run: 4 }, + outcome: { kind: "counted" }, + refusals: [], + modelCalls: [ + { + call: 1, + durationMs: 1422, + parts: [ + { type: "stream-start", warnings: [] }, + { + type: "response-metadata", + id: "id-1792441403066", + modelId: "@cf/openai/gpt-oss-120b", + headers: { "cf-ray": "a4d28004099bfb8f-AMS" }, + }, + { + type: "tool-call", + toolCallId: "chatcmpl-tool-ac4b821fe9db95b1", + toolName: "searchNotes", + input: '{"query": "delivery"}', + }, + { + ...FINISH_TOOL_CALLS, + usage: { + ...FINISH_TOOL_CALLS.usage, + raw: { neurons: 66.99 }, + }, + providerMetadata: { "cloudflare-workers-ai": {} }, + }, + ], + }, + { + call: 2, + durationMs: 20491, + parts: [ + { type: "text-start", id: "0" }, + { type: "text-delta", id: "0", delta: "Nobody asked." }, + { type: "text-end", id: "0" }, + FINISH_STOP, + ], + }, + ], + }; + + it("keeps each call's parts and duration, without Cloudflare's ids, headers or figures", () => { + const copied = toRecording(record, { + recordedOn: "2026-10-20", + words: DELIVERY, + }); + + expect(copied).toEqual({ + id: "D-4", + recordedOn: "2026-10-20", + words: DELIVERY, + calls: [ + { + durationMs: 1422, + parts: [ + { type: "stream-start", warnings: [] }, + { + type: "tool-call", + toolCallId: "replay:D-4:1:0", + toolName: "searchNotes", + input: '{"query": "delivery"}', + }, + FINISH_TOOL_CALLS, + ], + }, + { + durationMs: 20491, + parts: [ + { type: "text-start", id: "0" }, + { type: "text-delta", id: "0", delta: "Nobody asked." }, + { type: "text-end", id: "0" }, + FINISH_STOP, + ], + }, + ], + }); + expect(recordingOfCallId("replay:D-4:1:0")).toBe("D-4"); + expect(recordingOfCallId("chatcmpl-tool-ac4b821fe9db95b1")).toBeUndefined(); + }); + + it("refuses a part it doesn't know, rather than copy it blind", () => { + const odd: MeasuredRecord = { + ...record, + modelCalls: [{ call: 1, durationMs: 1, parts: [{ type: "file" }] }], + }; + + expect(() => toRecording(odd, { recordedOn: "", words: "" })).toThrow( + /D-4, call 1: a part of type "file"/, + ); + }); + + it("copies only counted runs whose every call was answered", () => { + expect(isReplayable(record)).toBe(true); + expect(isReplayable({ ...record, outcome: { kind: "not-run" } })).toBe( + false, + ); + expect(isReplayable({ ...record, refusals: [{ status: 429 }] })).toBe( + false, + ); + expect( + isReplayable({ + ...record, + modelCalls: [{ call: 1, error: { name: "APICallError" } }], + }), + ).toBe(false); + }); + + it("tells a run whose last call wrote words from one that didn't", () => { + expect(endsWithWords(record)).toBe(true); + expect( + endsWithWords({ ...record, modelCalls: record.modelCalls.slice(0, 1) }), + ).toBe(false); + }); +}); + +describe("the copied recordings", () => { + const copied = JSON.parse(readFileSync(REPLAYS_FILE, "utf8")) as Replays; + const json = JSON.stringify(copied); + + it("hold a few runs of each measured request, picked by its words", () => { + for (const request of REQUESTS) { + const runs = copied.recordings.filter((recording) => + recording.id.startsWith(`${request.name}-`), + ); + expect(runs.length, request.name).toBeGreaterThan(0); + expect(runs.length, request.name).toBeLessThanOrEqual( + REPLAYS_PER_REQUEST, + ); + for (const run of runs) { + expect(normalizedWords(run.words)).toBe(normalizedWords(request.text)); + } + } + }); + + it("hold no request bodies, headers, Cloudflare ids or logs", () => { + for (const leftover of [ + "response-metadata", + "providerMetadata", + "chatcmpl", + "cf-ray", + "requestBody", + "headers", + "logs", + "", + ]) { + expect(json).not.toContain(leftover); + } + }); + + it("start the intro's request with an answer in words", () => { + const first = copied.recordings.find((recording) => + recording.id.startsWith("A-"), + ); + const words = first?.calls + .at(-1) + ?.parts.some((part) => part.type === "text-delta"); + expect(words).toBe(true); + }); +});