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feat(FN-5223): anchor staleness and stall detectors to engine activation ti

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The merge introduces an engine-activation timestamp as the staleness floor for task age calculations, replacing arbitrary wall-clock thresholds with a runtime-relative anchor. Step 1 adds settings defaults, Steps 2–4 wire the floor helper through project engine, in-process runtime, and task store hy

Fusion-Task-Id: FN-5223
This commit is contained in:
Fusion (runfusion.ai)
2026-05-20 14:02:16 -07:00
committed by gsxdsm
parent 62f11e69d3
commit c60045df22
25 changed files with 626 additions and 13 deletions
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29
packages/engine/src/__tests__/project-engine.test.ts
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@@ -1696,6 +1696,35 @@ describe("ProjectEngine paused in-review auto-merge behavior", () => {
await engine.stop();
});
it("stamps engineActiveSinceMs on global and engine unpause transitions", async () => {
const mockStore = createMockStore({ ...baseSettings, autoMerge: true });
mocks.currentStore = mockStore.store;
const engine = createEngine();
await engine.start();
mockStore.store.updateSettings.mockClear();
await mockStore.emitSettingsUpdated(
{ ...baseSettings, autoMerge: true, globalPause: false },
{ ...baseSettings, autoMerge: true, globalPause: true },
);
await mockStore.emitSettingsUpdated(
{ ...baseSettings, autoMerge: true, enginePaused: false },
{ ...baseSettings, autoMerge: true, enginePaused: true },
);
const activationStampCalls = mockStore.store.updateSettings.mock.calls.filter(
([patch]) => patch && typeof patch === "object" && "engineActiveSinceMs" in patch,
);
expect(activationStampCalls).toHaveLength(2);
for (const [patch] of activationStampCalls) {
expect((patch as { engineActiveSinceMs: unknown }).engineActiveSinceMs).toEqual(expect.any(Number));
}
await engine.stop();
});
it("resumes deferred startup recovery on engine unpause", async () => {
const mockStore = createMockStore(baseSettings);
mocks.currentStore = mockStore.store;