test: detect done but not forwarded state

scripts/test_subagent_delivery_watchdog.mjs

@@ -114,6 +114,94 @@ ${result.stderr}`);
   }
 });
 
+
+test('watchdog reports suspect delivery failure after SLA when dispatch exists and no completion receipt has arrived yet', () => {
+  const runner = createFixtureRunner();
+
+  try {
+    const inputPath = runner.writeFixture('dispatch-beyond-sla.json', {
+      runId: 'fixture-run-suspect-delivery-failure',
+      childSessionKey: 'session:suspect-delivery-failure',
+      dispatchAt: '2026-04-24T10:00:00.000Z',
+      expectedBy: '2026-04-24T10:10:00.000Z',
+      currentTime: '2026-04-24T10:15:00.000Z',
+    });
+
+    const result = runner.runWatchdog(['--compact', '--input', inputPath]);
+
+    assert.equal(result.status, 0, `expected zero exit status, got ${result.status}
+${result.stderr}`);
+    assert.equal(result.stderr, '');
+
+    const payload = JSON.parse(result.stdout);
+    assert.equal(payload.ok, true);
+    assert.equal(payload.input.path, inputPath);
+    assert.equal(payload.input.exists, true);
+    assert.equal(payload.result.status, 'suspect_delivery_failure');
+  } finally {
+    runner.cleanup();
+  }
+});
+
+
+test('watchdog reports completed when dispatch exists and completion receipt has arrived', () => {
+  const runner = createFixtureRunner();
+
+  try {
+    const inputPath = runner.writeFixture('dispatch-completed.json', {
+      runId: 'fixture-run-completed',
+      childSessionKey: 'session:completed',
+      dispatchAt: '2026-04-24T10:00:00.000Z',
+      expectedBy: '2026-04-24T10:10:00.000Z',
+      currentTime: '2026-04-24T10:05:00.000Z',
+      completionReceiptAt: '2026-04-24T10:04:00.000Z',
+    });
+
+    const result = runner.runWatchdog(['--compact', '--input', inputPath]);
+
+    assert.equal(result.status, 0, `expected zero exit status, got ${result.status}
+${result.stderr}`);
+    assert.equal(result.stderr, '');
+
+    const payload = JSON.parse(result.stdout);
+    assert.equal(payload.ok, true);
+    assert.equal(payload.input.path, inputPath);
+    assert.equal(payload.input.exists, true);
+    assert.equal(payload.result.status, 'completed');
+  } finally {
+    runner.cleanup();
+  }
+});
+
+test('watchdog reports done but not forwarded when child run is marked done without a main-thread completion receipt', () => {
+  const runner = createFixtureRunner();
+
+  try {
+    const inputPath = runner.writeFixture('dispatch-done-not-forwarded.json', {
+      runId: 'fixture-run-done-not-forwarded',
+      childSessionKey: 'session:done-not-forwarded',
+      dispatchAt: '2026-04-24T10:00:00.000Z',
+      expectedBy: '2026-04-24T10:10:00.000Z',
+      currentTime: '2026-04-24T10:05:00.000Z',
+      childRunStatus: 'done',
+    });
+
+    const result = runner.runWatchdog(['--compact', '--input', inputPath]);
+
+    assert.equal(result.status, 0, `expected zero exit status, got ${result.status}
+${result.stderr}`);
+    assert.equal(result.stderr, '');
+
+    const payload = JSON.parse(result.stdout);
+    assert.equal(payload.ok, true);
+    assert.equal(payload.input.path, inputPath);
+    assert.equal(payload.input.exists, true);
+    assert.equal(payload.result.status, 'done_but_not_forwarded');
+  } finally {
+    runner.cleanup();
+  }
+});
+
 test('fixture runner exposes missing-input behavior for future fail-first cases', () => {
   const runner = createFixtureRunner();