feat: add State Hub bulk status skill

tests/test_mcp_write_tools.py

@@ -180,6 +180,50 @@ class TestMCPWriteTools:
             )
         ]
 
+    async def test_bulk_update_task_statuses_returns_rest_shape(self, monkeypatch):
+        calls: list[tuple[str, dict[str, Any]]] = []
+
+        def fake_post(path: str, body: dict[str, Any]) -> dict[str, Any]:
+            calls.append((path, body))
+            assert path == "/tasks/bulk-status-sync"
+            return {
+                "updated": [
+                    {"id": "task-1", "title": "First", "status": "done"},
+                    {"id": "task-2", "title": "Second", "status": "wait"},
+                ],
+                "progress_event_ids": ["event-1", "event-2"],
+            }
+
+        monkeypatch.setattr(server, "_post", fake_post)
+
+        body = await _call_tool(
+            "bulk_update_task_statuses",
+            {
+                "author": "codex",
+                "session_id": "session-1",
+                "updates": [
+                    {"task_id": "task-1", "status": "done"},
+                    {"task_id": "task-2", "status": "wait", "blocking_reason": "needs input"},
+                ],
+            },
+        )
+
+        assert body["progress_event_ids"] == ["event-1", "event-2"]
+        assert [task["status"] for task in body["updated"]] == ["done", "wait"]
+        assert calls == [
+            (
+                "/tasks/bulk-status-sync",
+                {
+                    "updates": [
+                        {"task_id": "task-1", "status": "done"},
+                        {"task_id": "task-2", "status": "wait", "blocking_reason": "needs input"},
+                    ],
+                    "author": "codex",
+                    "session_id": "session-1",
+                },
+            )
+        ]
+
     async def test_record_decision_returns_rest_shape_and_emits_progress(self, monkeypatch):
         calls: list[tuple[str, dict[str, Any]]] = []