feat: advance main agent runs from homepage handoff

tests/test_main_agent_governance.py

@@ -248,6 +248,48 @@ class MainAgentGovernanceTests(unittest.TestCase):
         self.assertIn("run.confirmed", event_types)
         self.assertTrue("run.queued" in event_types or "run.started" in event_types)
 
+    def test_running_agent_run_detail_advances_to_progress_and_done(self) -> None:
+        create = self.client.post(
+            "/v2/oneliner/runs",
+            headers=self.ctx["member_headers"],
+            json={
+                "project_id": self.ctx["project_id"],
+                "source_screen": "dashboard",
+                "source_action_key": "homepage-primary-action",
+                "title": "安排今日动作",
+                "summary": "让主 Agent 给出执行收口",
+                "intent_key": "custom",
+                "platform": "douyin",
+                "platform_scope": "single_platform",
+                "plan_request": {
+                    "goal": "安排今日动作",
+                    "steps": ["读取当前项目上下文", "给出执行建议", "输出下一步"],
+                },
+            },
+        )
+        self.assertEqual(create.status_code, 200, create.text)
+        run_id = create.json()["id"]
+
+        confirm = self.client.post(
+            f"/v2/oneliner/runs/{run_id}/confirm",
+            headers=self.ctx["member_headers"],
+            json={"reason": "user confirmed"},
+        )
+        self.assertEqual(confirm.status_code, 200, confirm.text)
+
+        detail = self.client.get(
+            f"/v2/oneliner/runs/{run_id}",
+            headers=self.ctx["member_headers"],
+        )
+        self.assertEqual(detail.status_code, 200, detail.text)
+        payload = detail.json()
+        self.assertEqual(payload["run_status"], "done")
+        self.assertTrue(payload["finished_at"])
+        self.assertEqual(payload["result"]["result_kind"], "main_agent_plan")
+        event_types = [item["event_type"] for item in payload["events"]]
+        self.assertIn("run.progress", event_types)
+        self.assertIn("run.done", event_types)
+
     def test_effective_policy_merges_system_user_global_and_platform_layers(self) -> None:
         system_response = self.client.put(
             "/v2/admin/oneliner/governance/system/main-agent",