fix: add defensive JSON parsing in check_instructions

scripts/sync_agents_across_companies.py

@@ -303,12 +303,17 @@ async def check_instructions(agents: list[dict]) -> bool:
     print("-" * 115)
 
     for agent in agents:
+        name = (agent.get("name") or agent.get("id") or "?")[:29]
+
+        try:
             adapter_cfg = agent.get("adapter_config") or {}
             if isinstance(adapter_cfg, str):
                 adapter_cfg = json.loads(adapter_cfg)
+        except (json.JSONDecodeError, TypeError):
+            print(f"{name:<30} {'(malformed adapter_config in DB)':<55} {'⚠ ERROR':<12}")
+            continue
 
         file_path = adapter_cfg.get("instructionsFilePath", "")
-        name = (agent.get("name") or agent.get("id") or "?")[:29]
 
         if not file_path:
             print(f"{name:<30} {'(none)':<55} {'⚠ NOT SET':<12}")
@@ -324,9 +329,12 @@ async def check_instructions(agents: list[dict]) -> bool:
         mtime = datetime.fromtimestamp(stat.st_mtime).strftime("%Y-%m-%d %H:%M")
 
         # Check for drift vs DB metadata
+        try:
             metadata = agent.get("metadata") or {}
             if isinstance(metadata, str):
                 metadata = json.loads(metadata)
+        except (json.JSONDecodeError, TypeError):
+            metadata = {}
         db_mtime = metadata.get("claude_md_mtime", "")
         actual_mtime = str(int(stat.st_mtime))
         drift = " ⚠ DRIFT" if db_mtime and db_mtime != actual_mtime else ""