fix(gh-monitor): filter own comments to prevent loops; switch delivery to announce

tools/gh-monitor/config/watched.yaml

@@ -6,3 +6,4 @@ repos:
       - review_comment
       - issue_comment
       - pr_closed
+    ignore_actor: hansheinemann  # skip my own comments to prevent feedback loops

tools/gh-monitor/poll.py

@@ -191,7 +191,7 @@ def dispatch_agent(repo_slug: str, pr: dict, event: dict) -> None:
                 "--session", "isolated",
                 "--message", message,
                 "--delete-after-run",
-                "--no-deliver",
+                "--announce",
                 "--timeout-seconds", "300",
             ],
             capture_output=True,
@@ -261,6 +261,8 @@ def poll_repo(repo_cfg: dict, state: dict) -> dict:
 
     all_new_events: list[tuple[dict, dict]] = []  # (pr, event)
 
+    my_login = repo_cfg.get("ignore_actor", "hansheinemann")
+
     for pr in open_prs:
         pr_number = pr["number"]
         fetchers = []
@@ -276,6 +278,11 @@ def poll_repo(repo_cfg: dict, state: dict) -> dict:
                 events = fetcher(owner, repo, pr_number)
                 new = new_events_since(events, cursor, seen_ids)
                 for event in new:
+                    if event.get("actor") == my_login:
+                        log.debug("Skipping own event from %s", my_login)
+                        if event.get("id"):
+                            seen_ids.add(event["id"])
+                        continue
                     all_new_events.append((pr, event))
             except GHAPIError as e:
                 log.error("[%s] PR #%d fetch error: %s", repo_slug, pr_number, e)