feat: add session-level publish and comment flow

tests/test_task_runner.py

@@ -4,6 +4,7 @@ import unittest
 from types import SimpleNamespace
 from unittest.mock import patch
 
+from biliup_next.core.errors import ModuleError
 from biliup_next.app.task_runner import process_task
 from biliup_next.core.models import TaskStep
 
@@ -97,6 +98,39 @@ class TaskRunnerTests(unittest.TestCase):
         self.assertEqual(repo.task_updates[0][1], "running")
         self.assertEqual(result["processed"][0]["step"], "transcribe")
 
+    def test_process_task_marks_publish_failed_retryable_on_module_error(self) -> None:
+        task = SimpleNamespace(id="task-1", status="split_done", updated_at="2026-01-01T00:00:00+00:00")
+        steps = [
+            TaskStep(None, "task-1", "publish", "pending", None, None, 0, None, None),
+        ]
+        repo = FakeRunnerRepo(task, steps)
+        state = {
+            "repo": repo,
+            "settings": {
+                "ingest": {},
+                "paths": {},
+                "comment": {"enabled": True},
+                "collection": {"enabled": True},
+                "publish": {"retry_schedule_minutes": [15], "rate_limit_retry_schedule_minutes": [30]},
+            },
+        }
+
+        with patch("biliup_next.app.task_runner.ensure_initialized", return_value=state), patch(
+            "biliup_next.app.task_runner.record_task_action"
+        ), patch("biliup_next.app.task_runner.apply_disabled_step_fallbacks", return_value=False), patch(
+            "biliup_next.app.task_runner.next_runnable_step", return_value=("publish", None)
+        ), patch(
+            "biliup_next.app.task_runner.execute_step",
+            side_effect=ModuleError(code="PUBLISH_RATE_LIMITED", message="rate limited", retryable=True),
+        ):
+            result = process_task("task-1")
+
+        self.assertEqual(result["processed"][-1]["retry_status"], "failed_retryable")
+        self.assertEqual(result["processed"][-1]["next_retry_delay_seconds"], 1800)
+        self.assertEqual(repo.step_updates[-1][1], "publish")
+        self.assertEqual(repo.step_updates[-1][2], "failed_retryable")
+        self.assertEqual(repo.task_updates[-1][1], "failed_retryable")
+
 
 if __name__ == "__main__":
     unittest.main()