Fix tools visibility - revert to v0.1.6 authentication approach

- Disable issuer validation in BearerAuthProvider (issuer=None)
- Simplify authentication condition (remove auth_enabled check)
- Revert CORS middleware to simple configuration
- Fix OAuth metadata endpoint to match v0.1.6
- Apply conditional auth only to MCP server creation

Critical fixes for Claude AI tools discovery

saidsurucu-yargi-mcp-f5fa007/sayistay_mcp_module/unified_client.py

@@ -0,0 +1,133 @@
+# sayistay_mcp_module/unified_client.py
+# Unified client for all three Sayıştay decision types
+
+import logging
+from typing import Optional, Dict, Any
+from urllib.parse import urlparse
+
+from .models import (
+    SayistayUnifiedSearchRequest,
+    SayistayUnifiedSearchResult,
+    SayistayUnifiedDocumentMarkdown,
+    GenelKurulSearchRequest,
+    TemyizKuruluSearchRequest,
+    DaireSearchRequest
+)
+from .client import SayistayApiClient
+
+logger = logging.getLogger(__name__)
+
+class SayistayUnifiedClient:
+    """Unified client that handles all three Sayıştay decision types."""
+    
+    def __init__(self, request_timeout: float = 60.0):
+        self.client = SayistayApiClient(request_timeout)
+    
+    async def search_unified(self, params: SayistayUnifiedSearchRequest) -> SayistayUnifiedSearchResult:
+        """Unified search that routes to appropriate search method based on decision_type."""
+        
+        if params.decision_type == "genel_kurul":
+            # Convert to genel kurul request
+            genel_kurul_params = GenelKurulSearchRequest(
+                karar_no=params.karar_no,
+                karar_ek=params.karar_ek,
+                karar_tarih_baslangic=params.karar_tarih_baslangic,
+                karar_tarih_bitis=params.karar_tarih_bitis,
+                karar_tamami=params.karar_tamami,
+                start=params.start,
+                length=params.length
+            )
+            
+            result = await self.client.search_genel_kurul_decisions(genel_kurul_params)
+            
+            # Convert to unified format
+            decisions_list = [decision.model_dump() for decision in result.decisions]
+            
+            return SayistayUnifiedSearchResult(
+                decision_type="genel_kurul",
+                decisions=decisions_list,
+                total_records=result.total_records,
+                total_filtered=result.total_filtered,
+                draw=result.draw
+            )
+            
+        elif params.decision_type == "temyiz_kurulu":
+            # Convert to temyiz kurulu request
+            temyiz_params = TemyizKuruluSearchRequest(
+                ilam_dairesi=params.ilam_dairesi,
+                yili=params.yili,
+                karar_tarih_baslangic=params.karar_tarih_baslangic,
+                karar_tarih_bitis=params.karar_tarih_bitis,
+                kamu_idaresi_turu=params.kamu_idaresi_turu,
+                ilam_no=params.ilam_no,
+                dosya_no=params.dosya_no,
+                temyiz_tutanak_no=params.temyiz_tutanak_no,
+                temyiz_karar=params.temyiz_karar,
+                web_karar_konusu=params.web_karar_konusu,
+                start=params.start,
+                length=params.length
+            )
+            
+            result = await self.client.search_temyiz_kurulu_decisions(temyiz_params)
+            
+            # Convert to unified format
+            decisions_list = [decision.model_dump() for decision in result.decisions]
+            
+            return SayistayUnifiedSearchResult(
+                decision_type="temyiz_kurulu",
+                decisions=decisions_list,
+                total_records=result.total_records,
+                total_filtered=result.total_filtered,
+                draw=result.draw
+            )
+            
+        elif params.decision_type == "daire":
+            # Convert to daire request
+            daire_params = DaireSearchRequest(
+                yargilama_dairesi=params.yargilama_dairesi,
+                karar_tarih_baslangic=params.karar_tarih_baslangic,
+                karar_tarih_bitis=params.karar_tarih_bitis,
+                ilam_no=params.ilam_no,
+                kamu_idaresi_turu=params.kamu_idaresi_turu,
+                hesap_yili=params.hesap_yili,
+                web_karar_konusu=params.web_karar_konusu,
+                web_karar_metni=params.web_karar_metni,
+                start=params.start,
+                length=params.length
+            )
+            
+            result = await self.client.search_daire_decisions(daire_params)
+            
+            # Convert to unified format
+            decisions_list = [decision.model_dump() for decision in result.decisions]
+            
+            return SayistayUnifiedSearchResult(
+                decision_type="daire",
+                decisions=decisions_list,
+                total_records=result.total_records,
+                total_filtered=result.total_filtered,
+                draw=result.draw
+            )
+        
+        else:
+            raise ValueError(f"Unsupported decision type: {params.decision_type}")
+    
+    async def get_document_unified(self, decision_id: str, decision_type: str) -> SayistayUnifiedDocumentMarkdown:
+        """Unified document retrieval for all Sayıştay decision types."""
+        
+        # Use existing client method (decision_type is already a string)
+        result = await self.client.get_document_as_markdown(decision_id, decision_type)
+        
+        return SayistayUnifiedDocumentMarkdown(
+            decision_type=decision_type,
+            decision_id=result.decision_id,
+            source_url=result.source_url,
+            document_data=result.model_dump(),
+            markdown_content=result.markdown_content,
+            error_message=result.error_message
+        )
+    
+    async def close_client_session(self):
+        """Close the underlying client session."""
+        if hasattr(self.client, 'close_client_session'):
+            await self.client.close_client_session()