fix(gtm): Correct dictionary merge syntax error and add debug logging

gtm_architect_orchestrator.py

@@ -203,7 +203,7 @@ Output JSON format ONLY.
     conflict_response = call_openai_chat(full_conflict_prompt, response_format_json=True)
     conflict_data = json.loads(conflict_response)
     
-    final_result = {{**extraction_data, **conflict_data}}
+    final_result = {**extraction_data, **conflict_data}
     print(json.dumps(final_result))
 
 def discover_icps(data):
@@ -292,6 +292,8 @@ def main():
     parser.add_argument("--mode", type=str, required=True, help="Execution mode")
     args = parser.parse_args()
 
+    print(f"DEBUG: Orchestrator v1.2 loaded (Mode: {args.mode})", file=sys.stderr)
+
     if not sys.stdin.isatty():
         try:
             data = json.loads(sys.stdin.read())