feat: add State Hub bulk status skill

mcp_server/server.py

@@ -633,6 +633,34 @@ def update_task_status(
     return _json_result(task)
 
 
+@mcp.tool()
+def bulk_update_task_statuses(
+    updates: list[dict[str, Any]],
+    author: str | None = "custodian",
+    session_id: str | None = None,
+) -> str:
+    """Update many task statuses in one call and emit one progress_event per task.
+
+    Args:
+        updates: list of {task_id, status, blocking_reason?}; status values are
+            wait | todo | progress | done | cancel
+        author: optional progress event author (defaults to custodian)
+        session_id: optional agent session identifier for progress events
+    """
+    result = _post("/tasks/bulk-status-sync", {
+        "updates": updates,
+        "author": author,
+        "session_id": session_id,
+    })
+    if error := _response_error(
+        "bulk_update_task_statuses",
+        result,
+        ("updated", "progress_event_ids"),
+    ):
+        return _json_result(error)
+    return _json_result(result)
+
+
 @mcp.tool()
 def flag_for_human(task_id: str, note: str) -> str:
     """Flag a task as requiring human intervention.