fix: use command param instead of undefined job variable in run_sync_job

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

webui.py

@@ -280,7 +280,7 @@ async def run_sync_job(job_id: str, command: str) -> None:
         success = proc.returncode == 0
         # After a successful compare, load structured results for the review UI
         review_url = ""
-        if job["command"] == "compare" and success:
+        if command == "compare" and success:
             global _compare_state
             _compare_state = _load_compare_state()
             if _compare_state.get("summary", {}).get("in_sync") is not None: