re-add AI generation disclosure

src/ifcmcp/ifcmcp/__main__.py

@@ -1,7 +1,6 @@
-# ifc_cli/src/ifcmcp/ifcmcp/__main__.py
+# This file was generated with the assistance of an AI coding tool.
 from ifcmcp.server import build_server
 
-
 def main():
     server = build_server()
     server.run(transport="stdio")

src/ifcmcp/ifcmcp/core.py

@@ -1,4 +1,4 @@
-# ifc_cli/src/ifcmcp/ifcmcp/core.py
+# This file was generated with the assistance of an AI coding tool.
 from __future__ import annotations
 
 import json

src/ifcmcp/ifcmcp/embedded.py

@@ -1,4 +1,4 @@
-# ifc_cli/src/ifcmcp/ifcmcp/embedded.py
+# This file was generated with the assistance of an AI coding tool.
 from __future__ import annotations
 
 from typing import Any, Mapping

src/ifcmcp/ifcmcp/server.py

@@ -1,4 +1,4 @@
-# ifc_cli/src/ifcmcp/ifcmcp/server.py
+# This file was generated with the assistance of an AI coding tool.
 from __future__ import annotations
 
 from typing import Any