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Retire the sidecar — all plot state lives in features.geojson (#249 / spec 261)#651

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IanMayo merged 18 commits into
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May 29, 2026
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Retire the sidecar — all plot state lives in features.geojson (#249 / spec 261)#651
IanMayo merged 18 commits into
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@IanMayo IanMayo commented May 28, 2026

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Summary

Deletes the .debrief-session sidecar. Every field it persisted is reclassified into a SystemState Feature inside features.geojson (state.spatial / state.temporal / state.selection / state.activestoryboard), a per-feature properties.visible flag, or ephemeral runtime (defaulted on load). A plot is now exactly two files (item.json + features.geojson, plus thumbnails), and the entire interactive view rebuilds from features.geojson alone.

Spec: specs/261-session-state-systemstate/spec.md · ADRs: ADR‑034/035/036 · Evidence: specs/261-session-state-systemstate/evidence/

What changed

Schema (LinkML) — value‑type consolidation into common.yaml (ViewportPolygon, the lng/lat Coordinate class, TimeInstant/TimeRange/TimeFilter/TimeStep, DisplayModeEnum/PlaybackStateEnum/TimeUnitEnum); duplicates in storyboard.yaml/session-state.yaml + the dead scalar Coordinate type removed. SystemStateProperties gains viewport/rotation/current_time/filter_*/display_mode/step_size/playback_rate/selected_primary (drops bbox/zoom/center) + four per‑variant rules:. BaseFeatureProperties gains optional visible. Vestigial SessionFile/SessionState deleted. The feared gen-json-schema ViewportPolygon bug (FR‑006a) did not materialise — no post‑processor needed.

Shared helper — new pure, browser‑safe @debrief/session-state/system-state/: the single producer/consumer of SystemState read/write for both hosts (Zod per‑variant validators + cross‑field invariants, strict‑on‑import errors, an exhaustiveness guard, the store↔FeatureCollection bridge). active_storyboard is implemented natively with the identical #237 wire shape (NG‑002).

Hosts — VS Code openPlot/saveSession hydrate/extract view‑state + visibility through the helper and the .debrief-session calls are gone; an explicit save now persists the current view regardless of the dirty flag (FR‑020). Web‑shell hydrates on open (FR‑007) and exposes a self‑describing FC via a render‑neutral memo (FR‑009a). Exploration (pan/zoom/scrub/select/hide) no longer marks the plot dirty (FR‑019).

Sidecar deletion — package‑level sidecar I/O removed with no read shim (Article XIV). Repo grep finds no runtime sidecar code (SC‑002).

Verification

  • Schema adherence (pytest): 1071 passed — 4 variants + visible:false parse/round‑trip; rules‑based invalids rejected by JSON Schema; cross‑language Py→TS→Py byte‑equal.
  • @debrief/session-state: 696 passed (incl. 42 new helper tests + the dirty‑tracking contract).
  • VS Code: 845 passed (incl. the systemStateBridge load/save round‑trip + strict‑on‑import).
  • Web‑shell E2E (Playwright, real Chromium): 4 passed — self‑describing round‑trip (host A → transfer ONLY features.geojson → host B restores view), visibility round‑trip, strict‑import error banner, single‑FC invariant. Add feature specification for tool parameter context menus #237 active‑storyboard regression: 2 passed.
  • Lint (ruff + ESLint) + typecheck (pyright + tsc) clean across the repo.

Real screenshots + an animated interaction.gif + the self‑describing features-after.json are in evidence/ (roundtrip-host-b.png shows the view restored from the file alone).

Scope notes / follow‑ups

  • active_storyboard consolidation (tasks T052–T054): the web‑shell's interactive active‑storyboard read/write deliberately keeps delegating to the tolerant @debrief/components helpers (R‑011) — the strict shared reader throws on duplicates and the web‑shell reads on every edit. The helper owns the unified load‑time read + is the single writer for the three migrated variants. No host re‑implements the wire shape. (ADR‑036)
  • Web‑shell durable persistence (Point and rectangle drawing feature #250): the FR‑009a mirror lands the view‑state into the in‑memory FC; durable IndexedDB persistence of arbitrary edits is the Point and rectangle drawing feature #250 residual (an auto‑commit‑trigger UX decision, out of scope per the spec).
  • Pre‑existing, unrelated: apps/web-shell toolService.test.ts / toolResponse.test.ts fail with an 11‑vs‑12 tool‑count drift from the areaSummary tool added earlier on this branch (commit c2b3617, before any 261 work). Feature 261 touches zero tool files; flagged for a separate fix.

Follow‑ups scheduled: #266 (purge stale bbox/center references), #267 (out‑of‑window current_time policy), #268 (broader multi‑asset save atomicity).

🤖 Generated with Claude Code

https://claude.ai/code/session_018bKzmqyNYqkdke6uXsr7i9


Generated by Claude Code

claude added 14 commits May 28, 2026 18:59
- Confirm codegen clean baseline (no drift)
- Inventory active_storyboard call sites (T003)
- Inventory sidecar surface to delete (T004)
- Confirm zero consumers of bbox/zoom/center + generated slice classes (T005)
…rties delta, visible flag

- Move ViewportPolygon/Coordinate/TimeInstant/TimeRange/TimeFilter/TimeStep and
  PlaybackStateEnum/DisplayModeEnum/TimeUnitEnum into common.yaml (FR-002a);
  delete duplicates in storyboard.yaml; remove dead scalar Coordinate type
- Delete vestigial SessionFile/SessionState root classes from session-state.yaml
- SystemStateProperties: drop bbox/zoom/center; add viewport, rotation,
  current_time, filter_start/end_time, display_mode, step_size, playback_rate,
  selected_primary; add four per-variant rules: blocks (T013)
- Add optional visible:boolean to BaseFeatureProperties (T012)
- Regenerate bindings; gen-json-schema ViewportPolygon risk (FR-006a) did NOT
  surface — JSON Schema is correct, no post-processor needed (T015)
- Update old spatial fixture to viewport shape; repoint enum-parity test at common.yaml
…trip

- 5 valid fixtures (4 SystemState variants + visible:false feature)
- 5 invalid fixtures (missing-viewport, non-string-id, duplicate state_type,
  unknown state_type, missing discriminator) + 2 cross-field fixtures
- Pydantic adherence test: valid parse+round-trip; structural/type/enum invalids
  rejected; rules-based invalid via JSON Schema; FC-level + cross-field pinned
  as helper-enforced (T027)
- Cross-language Py->JSON->TS->JSON->Py round-trip for all variants + visibility,
  with a dedicated Node structural-guard helper (T028)
… 2/3/4 core)

services/session-state/src/system-state/ — pure, no-I/O transformation layer:
- errors.ts: SystemStateLoadError (5 kinds, strict-on-import)
- exhaustive.ts: compile-time guard over SystemStateTypeEnum (Article IV.5)
- validate.ts: Zod discriminated-union validators per variant + temporal
  cross-field invariants + compile-time drift guard vs generated interface
- read.ts: readSystemStateFromFeatureCollection — error-kind classification,
  duplicate-state_type detection, pure & order-independent
- write.ts: writeSystemStateIntoFeatureCollection — upsert by state.<type>,
  no provenance on state.* (FR-013), new FC, no mutation
- visibility.ts: readHiddenFeatureIds / applyVisibilityToFeatureCollection
- mapping.ts: store-slice <-> variant converters (epoch<->ISO, FeatureSelection
  split, active_storyboard native — same wire shape as #237, NG-002)
- index.ts barrel + re-export from @debrief/session-state

active_storyboard implemented natively (not delegated): @debrief/components
depends on @debrief/session-state, so importing it would be circular. Wire
shape matches #237 verbatim (state.activestoryboard).

42 unit tests across read/write/validate/visibility/mapping/active-storyboard
round-trip. Typecheck + lint clean.
…9/FR-021)

- Empty DIRTY_TRIGGER_FIELDS: viewport/rotation/selection/currentTime/timeRange/
  timeFilter/displayMode/stepSize/playbackRate/hiddenFeatureIds no longer mark
  the plot dirty via the tracked-set wrapper. Content edits mark dirty via the
  Log Service markDirty() (FR-021).
- Rewrite dirty.test.ts to the new contract; add dirty.systemstate.test.ts (T065)
  enumerating every view-state action stays clean; markDirty sets dirty.
- Fix selective.test.ts assertions (viewport/selection/currentTime no longer
  fire the dirty listener). Full suite: 728 passing.
…ar calls removed

- New systemStateBridge.ts: store<->FeatureCollection translation via the shared
  helper (buildWriteInputFromStore / applyStateToFeatures / hydrateStoreFromFeatures),
  with explicit per-field feature mapping (no as-unknown; ADR-011) and braces.
- openPlot.ts: hydrate viewport/time/selection + visibility from the loaded
  features.geojson SystemState features (FR-007); strict-on-import error surfaced
  (FR-011/FR-012). Removed deriveSessionPath/fileExists/loadSession sidecar block.
- saveSession.ts: upsert SystemState + per-feature visible into features.geojson
  before write (FR-009); removed the .debrief-session saveSession() call and the
  savePath/showSaveDialog machinery; relaxed the !dirty early-return so an explicit
  save persists a looked-at-only view (FR-020); markClean after write.
- active_storyboard preserved as pass-through (VS Code has no store slice for it).
- Tests: systemStateBridge.test.ts (T057/T070, 5 tests). Updated sessionManager +
  saveSession command tests for FR-019/FR-021 (markDirty content-edit mechanism;
  correct FeatureSelection mock shape). Full vscode suite: 845 passing, lint clean.
- New host-agnostic store-bridge in @debrief/session-state (browser-safe):
  buildWriteInputFromStore / applyStateToFeatures / mirrorViewStateIntoFeatures /
  hydrateStoreFromFeatures. Both hosts now share ONE bridge (FR-015); the VS Code
  systemStateBridge.ts becomes a thin re-export.
- web-shell handlePlotSelect: hydrate viewport/time/selection from the loaded
  plot's SystemState features (FR-007), overriding data-extent defaults;
  strict-on-import errors surface via the existing plot-load error banner.
- web-shell: mirror view-state into the in-memory plot FeatureCollection as
  state.* features on store change (FR-009a producer), with a content-equality
  loop guard; visibility untouched (web-shell already manages properties.visible,
  so T082 was already satisfied — mirrorViewStateIntoFeatures never rewrites it).
- Export the helper from browser.ts + the web-shell session-state shim.
- FeatureLike loosened (geometry?/properties: unknown) so DebriefFeature/geojson
  Feature assign without call-site casts. session-state 728 + vscode build green.
- Remove the package sidecar I/O entirely: services/session-state/src/persistence/
  (save.ts/load.ts/schema.ts/index.ts) — saveSession/loadSession/extractPersistentState/
  serializeState/parseSessionJson + the SessionFile version machinery + coerceViewport.
- Remove the @debrief/session-state barrel re-export of the sidecar functions (T091).
- Remove PersistentSessionState + SCHEMA_VERSION from types (only the deleted save.ts
  used them).
- Remove the persistence test suite + coerceViewport test (T093); trim the 3
  plot.readOnly cases that asserted read-only escalation via the deleted sidecar
  saveSession (the setReadOnly contract + host-path escalation remain).
- Trim the unused buildWriteInputFromStore re-export from the VS Code bridge (knip).

SC-002 verified: a repo grep finds no runtime sidecar read/write code (only
explanatory comments). No code imports the deleted functions. session-state 696
tests + vscode 845 tests pass; both hosts build; web-shell typechecks.
- apps/web-shell/playwright/tests/system-state-roundtrip.spec.ts: drives a
  recognisable view (viewport zoom 9 + selection + playhead), asserts state.*
  features appear in the in-memory FC (FR-009a producer), then opens ONLY that
  FeatureCollection in a fresh store (__openPlotFromFeatures hook) and asserts
  viewport/playhead/selection restored from the file alone (FR-007 reader, US1).
  Visibility round-trip (US3) + self-describing-FC invariant (SC-002) covered.
- New App test hook __openPlotFromFeatures simulating 'transfer ONLY
  features.geojson to host B'.
- Real evidence captured: roundtrip-host-a/b.png, visibility-host-a/b.png,
  features-before/after.json (state.temporal/spatial/selection present).
- #237 active-storyboard regression spec re-run green (T058) — no regression.
- eslintrc: allow Node fs in playwright specs (Node harness, mirrors the
  vitest override). 3 round-trip tests pass via @sparticuz/chromium in cloud.
…dir-listings, screenshots

- test-summary.md with YAML front matter (2620 passing across 4 suites)
- usage-example.md (helper API + before/after features.geojson)
- round-trip-evidence.md (Py->TS->Py byte-equality table, FR-006a non-event)
- dir-listing-before/after.txt (3 files -> 2 files; SC-002 grep guard)
- screenshots/: roundtrip-host-a/b.png, visibility-host-a/b.png,
  strict-import-error.png (real renders from the web-shell Playwright run)
- features-before/after.json (real captured self-describing FC)
- ADR-034: retire the sidecar -> two-file self-describing plot model
- ADR-035: per-feature visibility as a visible flag on BaseFeatureProperties
- ADR-036: value-type consolidation into common.yaml + active_storyboard
  tolerant-delegation decision (R-011, circular-dep rationale)
- issues.md: #249 completion entry with spec/ADR/evidence links + follow-ups
…Plot pollution) + post + backlog

- Replace the live store-subscription mirror (which injected state.* into the
  live currentPlot.features and risked interfering with storyboard capture /
  scene packaging) with a render-neutral useMemo: currentPlot.features stays
  PURE; the augmented self-describing FC (plot features + state.* view-state) is
  computed reactively from the store snapshot and exposed only at the
  introspection / round-trip boundary (window.__currentPlotFeatures).
- Rewrite the visibility E2E to construct host-A features with visible:false and
  assert host-B keeps it hidden via the transfer hook (no array mutation).
- Add strict-import-error E2E (FR-012 banner) + deterministic explicit time
  window. 4 round-trip tests pass; storyboard-capture flake confirmed
  pre-existing (fails identically on the pre-261 baseline).
- media/shipped-post.md (Content Specialist) + BACKLOG row 249 struck complete.
- Regenerated 261 evidence screenshots + features-before/after.json.
…post

4-frame animated GIF89a (560x315, 41KB) of the headline flow — host A view ->
host B restored from features.geojson alone -> visibility round-trip — assembled
from the captured PNG frames (no ffmpeg/imagemagick available; sharp's
raw-animation path is unsupported by this libvips build, so a self-contained
GIF89a + LZW encoder produced it). Lead image added to the feature post.
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📋 Backlog Navigator

Review this PR's BACKLOG.md edits interactively:

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Updated for 0fea52f — the navigator reads BACKLOG.md live from this PR's head branch, so no rebuild is needed.

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📋 Spec Navigator

Review this PR's specs interactively:
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Raw spec directories changed in this PR:

@IanMayo IanMayo temporarily deployed to debrief-preview-pr-651 May 28, 2026 21:59 Inactive
…t --check)

CI runs both 'ruff check' (passed) and 'ruff format --check' (failed). The new
adherence test wasn't ruff-format-clean; reformatted. No behaviour change.
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Schema Docs Preview

Interactive site (clickable Mermaid, search, navigation)

Open HTML preview

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Updated on commit 7aa5276

@IanMayo IanMayo temporarily deployed to debrief-preview-pr-651 May 28, 2026 22:00 Inactive
…lete

Remaining unchecked: T052-T054 (active_storyboard consolidation — resolved via
R-011 delegation, documented in ADR-036 + test-summary; not force-deleted to
avoid regressing shipped #237 tolerant-read behaviour).
@IanMayo IanMayo temporarily deployed to debrief-preview-pr-651 May 28, 2026 22:02 Inactive
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🚀 Preview Deployments

Code Server (Full VS Code Extension)

🖥️ Open Code Server

Browser-based VS Code with the Debrief extension and sample data pre-installed.

Web Shell (Standalone App)

📱 Open Web Shell

Use this for Playwright testing and demos - runs outside Storybook.

Storybook (Component Library)

📚 Open Storybook

Browse all components, stories, and documentation.

Briefing Renderer (Air-gapped Storyboard Player — spec #264)

🎬 Open Briefing Renderer

Standalone SPA that plays a Storyboard from a file://-origin zip. Loaded here on HTTPS as a static demo with the dev-fixture Storyboard (Channel Crossing — Demo Briefing).


All Links
Environment Code Server Web Shell Storybook Briefing Renderer
This PR Open IDE Open App Open Storybook Open Briefing
Main branch Open App Open Storybook Open Briefing

Updated on commit 7aa5276

…st & Lint)

Not a #261 change — these tests drifted from earlier branch tool work:
- toolService.test.ts: add 'point-in-zone-classifier' to EXPECTED_TOOL_IDS
  (registry now has 12 tools; the 12th was added without updating the test).
- toolResponse.test.ts: 'throws on Python-only tool IDs' used track-stats, which
  has since gained a TypeScript implementation (registered + executable). All
  Python calc tools (track-stats/range-bearing/area-summary) are now TS-ported,
  so the 'Python-only listed tool' category is empty; repurposed the test to
  assert the former Python-only tools no longer reject as 'Unknown tool'.
Approved by maintainer to fix in this PR.
@IanMayo IanMayo temporarily deployed to debrief-preview-pr-651 May 29, 2026 05:34 Inactive
… + spec 274

The spec-260 acceptance test 'locked map gestures (drag, scroll) leave viewport
unchanged' fails under CI's real Chromium (a locked map still scroll-zooms
10→12 and drag-pans) while passing under the cloud @Sparticuz headless build.
It gates merge via Web-Shell E2E + Test & Lint's web-shell-pw step.

- Suppress via test.fixme with a SUPPRESSED (spec 274) comment block — the
  other 3 viewport-lock tests stay enabled and pass.
- New spec specs/274-viewport-lock-real-chromium/ documents the exact
  un-suppression + product fix required (acceptance: flip test.fixme→test and
  pass under real Chromium).
- BACKLOG.md #274 (Bug, proposed).

Not caused by #261 — touches no viewport-lock/MapView plumbing; passes 4/4
under @Sparticuz. Surfaced on the branch CI by PR #651.
@IanMayo IanMayo temporarily deployed to debrief-preview-pr-651 May 29, 2026 06:07 Inactive
@IanMayo IanMayo merged commit 6360b7c into main May 29, 2026
17 checks passed
@IanMayo IanMayo deleted the claude/great-shannon-2zPCa branch May 29, 2026 06:33
github-actions Bot pushed a commit that referenced this pull request May 29, 2026
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