fix yargitay ALL issue

mcp_server_main.py

@@ -141,7 +141,7 @@ async def search_yargitay_detailed(
     • +"phrase1" +"phrase2" = Multiple required phrases
     • +"required" -"excluded" = Include and exclude
     Examples: arsa payı | "arsa payı" | +"arsa payı" +"bozma sebebi" | bozma*"""),
-    birimYrgKurulDaire: YargitayBirimEnum = Field("ALL", description="""
+    birimYrgKurulDaire: str = Field("ALL", description="""
         Yargıtay chamber/board selection. Available options:
         • 'ALL' for all chambers
         • Hukuk Genel Kurulu (Civil General Assembly)
@@ -208,6 +208,10 @@ async def search_yargitay_detailed(
     to retrieve full decision texts for detailed analysis.
     """
     
+    # Convert "ALL" to empty string for API compatibility
+    if birimYrgKurulDaire == "ALL":
+        birimYrgKurulDaire = ""
+    
     search_query = YargitayDetailedSearchRequest(
         arananKelime=arananKelime,
         birimYrgKurulDaire=birimYrgKurulDaire,