fix(ci): exclude bot comments from triggering AI review

Bot progress comments were triggering new workflow runs,
which cancelled in-progress reviews due to concurrency group.
Added check for github.event.comment.user.type != 'Bot'.

.github/workflows/ai-review.yml

@@ -38,13 +38,14 @@ jobs:
 
     # Conditions:
     # - PR event: only on opened (not synchronize to avoid cancel-on-push)
-    # - Comment event: only if it's a PR and contains /review
+    # - Comment event: only if it's a PR, contains /review, and NOT from a bot
     if: >
       github.event_name == 'pull_request_target' ||
       github.event_name == 'workflow_dispatch' ||
       (github.event_name == 'issue_comment' &&
        github.event.issue.pull_request &&
-       contains(github.event.comment.body, '/review'))
+       contains(github.event.comment.body, '/review') &&
+       github.event.comment.user.type != 'Bot')
 
     # CLIProxy environment for model routing
     env: