feat: add watch subcommand (TMQ + polling fallback)

ts_anomaly_td/cli.py

@@ -79,6 +79,22 @@ def cmd_e2e(args):
     return run_e2e(args)
 
 
+def cmd_watch(args):
+    """watch 子命令：TMQ 准实时监控。"""
+    logging.basicConfig(level=logging.INFO, format="%(asctime)s [%(levelname)s] %(message)s")
+
+    from ts_anomaly_td.tmq_watch import WatchRunner
+
+    conn = TDConnection(args.url)
+    try:
+        db = args.db or "ts_anomaly"
+        conn.execute_no_result(f"USE {db}")
+        runner = WatchRunner(conn, args.stable, window_sec=args.window_sec)
+        runner.run()
+    finally:
+        conn.close()
+
+
 def build_parser() -> argparse.ArgumentParser:
     parser = argparse.ArgumentParser(
         prog="ts-anomaly-td",
@@ -116,6 +132,13 @@ def build_parser() -> argparse.ArgumentParser:
     p_e2e.add_argument("--log-dir", default="logs", help="JSON 日志目录 (default: logs)")
     p_e2e.add_argument("--url", default="ws://root:taosdata@localhost:6041", help="TDengine WebSocket URL")
 
+    # watch (Iter-2)
+    p_watch = sub.add_parser("watch", help="TMQ 准实时异常监控")
+    p_watch.add_argument("--stable", required=True, help="supertable 名称")
+    p_watch.add_argument("--db", default="ts_anomaly", help="数据库名")
+    p_watch.add_argument("--window-sec", type=int, default=30, help="检测间隔秒数 (default: 30)")
+    p_watch.add_argument("--url", default="ws://root:taosdata@localhost:6041", help="TDengine WebSocket URL")
+
     return parser
 
 
@@ -128,6 +151,7 @@ def main():
         "detect-batch": cmd_detect_batch,
         "forecast-anomaly": cmd_forecast_anomaly,
         "e2e": cmd_e2e,
+        "watch": cmd_watch,
     }
 
     fn = dispatch.get(args.command)