watch.py: --ignore AGENT,... skips stalls already reported

tools/watch.py

@@ -57,6 +57,7 @@ def main():
     ap.add_argument("--every", type=float, default=60)
     ap.add_argument("--stall", type=float, default=15, help="minutes without a tool call before a running agent "
                                                              "counts as stalled (0: off)")
+    ap.add_argument("--ignore", default="", help="comma-separated agents whose stalls are already reported")
     ap.add_argument("--quiet-traffic", action="store_true",
                     help="skip review items and messages (helpers handle them); wake only on stalls, stops and resting")
     args = ap.parse_args()
@@ -85,6 +86,8 @@ def main():
         if now["resting"] != start["resting"] and now["resting"]:
             found.append("resting under autopilot: " + ", ".join(k.split(":", 1)[1] for (k,) in now["resting"]))
         for agent, last in stalled(conn, project, args.me, args.stall):
+            if agent in {a.strip() for a in args.ignore.split(",") if a.strip()}:
+                continue
             found.append(f"stalled: {agent} has made no tool call since {last[11:16]}Z (not stopped) - wake it")
         if found:
             print("\n".join(found))