feat: add session-level publish and comment flow

tests/test_task_policies.py

@@ -70,6 +70,26 @@ class TaskPoliciesTests(unittest.TestCase):
         self.assertEqual(repo.step_updates[-1][1], "publish")
         self.assertEqual(repo.task_updates[-1][1], "failed_retryable")
 
+    def test_resolve_failure_uses_rate_limit_schedule_for_publish_601(self) -> None:
+        task = SimpleNamespace(id="task-1", status="running")
+        steps = [
+            TaskStep(None, "task-1", "publish", "running", None, None, 0, "2026-01-01T00:00:00+00:00", None),
+        ]
+        repo = FakePolicyRepo(task, steps)
+        state = {
+            "settings": {
+                "publish": {"retry_schedule_minutes": [15, 5], "rate_limit_retry_schedule_minutes": [30, 60]},
+                "comment": {},
+                "paths": {},
+            }
+        }
+        exc = ModuleError(code="PUBLISH_RATE_LIMITED", message="rate limited", retryable=True)
+
+        failure = resolve_failure(task, repo, state, exc)
+
+        self.assertEqual(failure["payload"]["next_retry_delay_seconds"], 1800)
+        self.assertEqual(repo.task_updates[-1][1], "failed_retryable")
+
 
 if __name__ == "__main__":
     unittest.main()