fix(bedesten): include itemTypeList in fetch metadata search

The fetch tool's metadata lookup constructed BedestenSearchData without
the required itemTypeList field, causing a Pydantic validation error and
losing the chance to enrich the response with a proper title.

mcp_server_main.py

@@ -2633,6 +2633,7 @@ async def fetch(
                 BedestenSearchRequest(
                     data=BedestenSearchData(
                         phrase=id,  # Search by document ID
+                        itemTypeList=["YARGITAYKARARI", "DANISTAYKARAR", "YERELHUKUK", "ISTINAFHUKUK", "KYB"],
                         pageSize=1,
                         pageNumber=1
                     )