fix: address final lifecycle review findings (#122)

package.json

@@ -10,13 +10,13 @@
   "packageManager": "pnpm@9.15.4",
   "type": "module",
   "scripts": {
-    "build": "pnpm -r --workspace-concurrency=1 build",
+    "build": "pnpm -r build",
     "dev": "pnpm --filter @aoagents/ao-web dev",
     "lint": "eslint .",
     "lint:fix": "eslint . --fix",
     "format": "prettier --write .",
     "format:check": "prettier --check .",
-    "typecheck": "pnpm -r --workspace-concurrency=1 typecheck",
+    "typecheck": "pnpm -r typecheck",
     "test": "pnpm -r --filter '!@aoagents/ao-web' test",
     "test:integration": "pnpm --filter @aoagents/ao-integration-tests test:integration",
     "clean": "pnpm -r clean",

packages/web/src/lib/__tests__/types.test.ts

@@ -5,6 +5,8 @@
 import { describe, it, expect } from "vitest";
 import {
   getAttentionLevel,
+  getActivitySignalLabel,
+  getActivitySignalReasonLabel,
   isPRMergeReady,
   TERMINAL_STATUSES,
   TERMINAL_ACTIVITIES,
@@ -779,3 +781,35 @@ describe("constants sync with core", () => {
     expect(NON_RESTORABLE_STATUSES).toBe(CORE_NON_RESTORABLE_STATUSES);
   });
 });
+
+describe("activity signal fallback", () => {
+  it("treats legacy idle activity without a timestamp as stale", () => {
+    const session = createSession({
+      activity: "idle",
+      activitySignal: undefined,
+    });
+
+    expect(getActivitySignalLabel(session)).toBe("idle (stale)");
+    expect(getActivitySignalReasonLabel(session)).toBe("missing timestamp");
+  });
+
+  it("treats legacy blocked activity without a timestamp as stale", () => {
+    const session = createSession({
+      activity: "blocked",
+      activitySignal: undefined,
+    });
+
+    expect(getActivitySignalLabel(session)).toBe("blocked (stale)");
+    expect(getActivitySignalReasonLabel(session)).toBe("missing timestamp");
+  });
+
+  it("keeps legacy active activity valid", () => {
+    const session = createSession({
+      activity: "active",
+      activitySignal: undefined,
+    });
+
+    expect(getActivitySignalLabel(session)).toBe("active");
+    expect(getActivitySignalReasonLabel(session)).toBeNull();
+  });
+});

packages/web/src/lib/types.ts

@@ -295,14 +295,35 @@ export function getLifecycleEvidence(session: DashboardSession): string | null {
 }
 
 function resolveActivitySignal(session: DashboardSession): DashboardActivitySignal {
-  return (
-    session.activitySignal ?? {
-      state: session.activity === null ? "unavailable" : "valid",
+  if (session.activitySignal) {
+    return session.activitySignal;
+  }
+
+  if (session.activity === null) {
+    return {
+      state: "unavailable",
+      activity: null,
+      timestamp: null,
+      source: "none",
+    };
+  }
+
+  if (session.activity === "idle" || session.activity === "blocked") {
+    return {
+      state: "stale",
       activity: session.activity,
       timestamp: null,
       source: "none",
-    }
-  );
+      detail: "missing_timestamp",
+    };
+  }
+
+  return {
+    state: "valid",
+    activity: session.activity,
+    timestamp: null,
+    source: "none",
+  };
 }
 
 export function getActivitySignalLabel(session: DashboardSession): string {