fix: exclude log files from HF sync to prevent LFS errors

sync.log grows to 60MB+ and triggers HF LFS pointer errors on upload.
Exclude *.log files from sync since they are transient runtime artifacts.

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

scripts/sync_hf.py

@@ -172,7 +172,7 @@ class OpenClawFullSync:
                 print("[SYNC] Nothing to upload.")
                 return
 
-            # Upload entire directory as-is, no filtering, no sanitization
+            # Upload directory, excluding large log files that trigger LFS errors
             self.api.upload_folder(
                 folder_path=str(OPENCLAW_HOME),
                 path_in_repo=DATASET_PATH,
@@ -180,7 +180,7 @@ class OpenClawFullSync:
                 repo_type="dataset",
                 token=HF_TOKEN,
                 commit_message=f"Sync .openclaw — {datetime.now().isoformat()}",
-                ignore_patterns=[],  # No exclusions
+                ignore_patterns=["*.log", "*.log.*"],  # Exclude logs (sync.log is 60MB+, triggers LFS errors)
             )
             print(f"[SYNC] ✓ Upload completed at {datetime.now().isoformat()}")