fix: correct sys.path in agent-coordinator wrapper

The wrapper was inserting /opt/aitbc/aitbc to sys.path, which is incorrect.
The aitbc package is at /opt/aitbc/aitbc/__init__.py, so the path should be
/opt/aitbc, not /opt/aitbc/aitbc.

scripts/wrappers/aitbc-agent-coordinator-wrapper.py

@@ -9,7 +9,7 @@ import os
 from pathlib import Path
 
 # Add aitbc to path
-sys.path.insert(0, str(Path("/opt/aitbc/aitbc")))
+sys.path.insert(0, str(Path("/opt/aitbc")))
 
 from aitbc import ENV_FILE, NODE_ENV_FILE, REPO_DIR, DATA_DIR, LOG_DIR