diff --git a/bun.lock b/bun.lock
index 748dba3..fdc61ff 100644
--- a/bun.lock
+++ b/bun.lock
@@ -1,5 +1,6 @@
 {
   "lockfileVersion": 1,
+  "configVersion": 0,
   "workspaces": {
     "": {
       "name": "dashboard-cli",
@@ -15,7 +16,7 @@
         "update-notifier": "^7.3.1",
       },
       "devDependencies": {
-        "@photon-ai/dashboard-api": "1.2.0",
+        "@photon-ai/dashboard-api": "1.6.1",
         "@types/bun": "latest",
         "@types/node": "^25.6.2",
         "@types/update-notifier": "^6.0.8",
@@ -49,7 +50,7 @@
 
     "@noble/hashes": ["@noble/hashes@2.2.0", "", {}, "sha512-IYqDGiTXab6FniAgnSdZwgWbomxpy9FtYvLKs7wCUs2a8RkITG+DFGO1DM9cr+E3/RgADRpFjrKVaJ1z6sjtEg=="],
 
-    "@photon-ai/dashboard-api": ["@photon-ai/dashboard-api@1.2.0", "", { "peerDependencies": { "@elysiajs/eden": "^1.4.9", "elysia": "^1.4.28" } }, "sha512-ZQ4OVaGQMFVMa2/bL2OfRxMaQDABwi+tHUFQHmQOH39N7pCXC6vQ8m32+Its2FxQ5VwU+dyvqmyv0ccxCmK8hw=="],
+    "@photon-ai/dashboard-api": ["@photon-ai/dashboard-api@1.6.1", "", { "peerDependencies": { "@elysiajs/eden": "^1.4.9", "elysia": "^1.4.28" } }, "sha512-6wgtxR3/6PXxckhkkCWKSGaRBZviaxLrhtCid5WlD3NimPj4V8S0ODvgeF4kH5vDgmOvvr6QIDLY/dGZKl2fQg=="],
 
     "@pnpm/config.env-replace": ["@pnpm/config.env-replace@1.1.0", "", {}, "sha512-htyl8TWnKL7K/ESFa1oW2UB5lVDxuF5DpM7tBi6Hu2LNL3mWkIzNLG6N4zoCUP1lCKNxWy/3iu8mS8MvToGd6w=="],
 
diff --git a/package.json b/package.json
index afb9a76..8ffd9db 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "prepublishOnly": "bun run typecheck && bun run build"
   },
   "devDependencies": {
-    "@photon-ai/dashboard-api": "1.2.0",
+    "@photon-ai/dashboard-api": "1.6.1",
     "@types/bun": "latest",
     "@types/node": "^25.6.2",
     "@types/update-notifier": "^6.0.8",
diff --git a/src/commands/projects.ts b/src/commands/projects.ts
index 0722690..25a45a3 100644
--- a/src/commands/projects.ts
+++ b/src/commands/projects.ts
@@ -20,6 +20,7 @@ import { SessionExpiredError } from "~/lib/errors.ts";
 import { confirmDestructive } from "~/lib/interactive.ts";
 import { c, die, formatApiError, printJson, printTable } from "~/lib/output.ts";
 import { isInteractive } from "~/lib/tty.ts";
+import type { Project } from "~/lib/types.ts";
 
 /** Platforms accepted by `projects create` (mirrors the API's create body). */
 const PLATFORMS = ["imessage", "whatsapp_business", "voice"] as const;
@@ -65,7 +66,7 @@ function registerListCommand(projects: Command): void {
         die(`Failed to list projects: ${formatApiError(error)}`);
       }
 
-      const list = data ?? [];
+      const list = (data ?? []) as Project[];
       if (opts.json) {
         printJson(list);
         return;
diff --git a/src/commands/spectrum/users.ts b/src/commands/spectrum/users.ts
index 8fc8ad1..d52406b 100644
--- a/src/commands/spectrum/users.ts
+++ b/src/commands/spectrum/users.ts
@@ -6,6 +6,7 @@ import { SessionExpiredError } from "~/lib/errors.ts";
 import { confirmDestructive } from "~/lib/interactive.ts";
 import { c, die, formatApiError, printJson, printTable } from "~/lib/output.ts";
 import { isInteractive } from "~/lib/tty.ts";
+import type { SpectrumUser } from "~/lib/types.ts";
 
 export function registerSpectrumUsers(spectrum: Command): void {
   const users = spectrum
@@ -37,7 +38,7 @@ export function registerSpectrumUsers(spectrum: Command): void {
       if (status === 401) throw new SessionExpiredError(resolved.name);
       if (error) die(`Failed to list users: ${formatApiError(error)}`);
 
-      const list = data?.users ?? [];
+      const list = (data?.users ?? []) as SpectrumUser[];
       if (opts.json) return printJson(list);
       if (list.length === 0) {
         console.log(c.dim("No Spectrum users yet."));
@@ -142,14 +143,6 @@ export function registerSpectrumUsers(spectrum: Command): void {
     });
 }
 
-interface SpectrumUser {
-  id: string;
-  firstName?: string | null;
-  lastName?: string | null;
-  email?: string | null;
-  phoneNumber?: string | null;
-}
-
 interface FilledAdd {
   firstName: string;
   lastName: string;
diff --git a/src/lib/types.ts b/src/lib/types.ts
index 179f417..cfe3636 100644
--- a/src/lib/types.ts
+++ b/src/lib/types.ts
@@ -9,4 +9,37 @@
  * in command logic.
  */
 
-export {};
+/**
+ * Project row as returned by `GET /api/projects` and `GET /api/projects/:id`.
+ * The upstream `.d.ts` for 1.6.x publishes these bodies as `Record<string, any>`
+ * (index-signature only), so we cast to this shape at the boundary to get typed
+ * field access in list/show/delete commands.
+ */
+export interface Project {
+  id: string;
+  name: string;
+  location: string;
+  status: string;
+  platforms: string[];
+  isOwner: boolean;
+  template: boolean;
+  observability: boolean;
+  slackChannelId?: string | null;
+  slackTeamId?: string | null;
+  projectSecret?: string | null;
+  createdAt: string;
+  updatedAt: string;
+}
+
+/**
+ * Spectrum user row as returned by `GET /api/projects/:id/spectrum/users`
+ * and echoed back by `POST` on the same route. Same rationale as `Project`:
+ * the 1.6.x published response type is a bare index signature.
+ */
+export interface SpectrumUser {
+  id: string;
+  firstName?: string | null;
+  lastName?: string | null;
+  email?: string | null;
+  phoneNumber?: string | null;
+}