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/kik_mcp_module/models.py

@@ -0,0 +1,74 @@
+# kik_mcp_module/models.py
+from pydantic import BaseModel, Field, HttpUrl, computed_field, ConfigDict
+from typing import List, Optional
+from enum import Enum
+import base64 # Base64 encoding/decoding için
+
+class KikKararTipi(str, Enum):
+    """Enum for KIK (Public Procurement Authority) Decision Types."""
+    UYUSMAZLIK = "rbUyusmazlik"
+    DUZENLEYICI = "rbDuzenleyici"
+    MAHKEME = "rbMahkeme"
+
+class KikSearchRequest(BaseModel):
+    """Model for KIK Decision search criteria."""
+    karar_tipi: KikKararTipi = Field(KikKararTipi.UYUSMAZLIK, description="Type")
+    karar_no: str = Field("", description="No")
+    karar_tarihi_baslangic: str = Field("", description="Start", pattern=r"^\d{2}\.\d{2}\.\d{4}$|^$")
+    karar_tarihi_bitis: str = Field("", description="End", pattern=r"^\d{2}\.\d{2}\.\d{4}$|^$")
+    resmi_gazete_sayisi: str = Field("", description="Gazette")
+    resmi_gazete_tarihi: str = Field("", description="Date", pattern=r"^\d{2}\.\d{2}\.\d{4}$|^$")
+    basvuru_konusu_ihale: str = Field("", description="Subject")
+    basvuru_sahibi: str = Field("", description="Applicant")
+    ihaleyi_yapan_idare: str = Field("", description="Entity")
+    yil: str = Field("", description="Year")
+    karar_metni: str = Field("", description="Text")
+    page: int = Field(1, ge=1, description="Page")
+
+class KikDecisionEntry(BaseModel):
+    """Represents a single decision entry from KIK search results."""
+    preview_event_target: str = Field(..., description="Event target")
+    karar_no_str: str = Field(..., alias="kararNo", description="Decision number")
+    karar_tipi: KikKararTipi = Field(..., description="Decision type")
+    
+    karar_tarihi_str: str = Field(..., alias="kararTarihi", description="Date")
+    idare_str: str = Field("", alias="idare", description="Entity")
+    basvuru_sahibi_str: str = Field("", alias="basvuruSahibi", description="Applicant")
+    ihale_konusu_str: str = Field("", alias="ihaleKonusu", description="Subject")
+
+    @computed_field
+    @property
+    def karar_id(self) -> str:
+        """
+        A Base64 encoded unique ID for the decision, combining decision type and number.
+        Format before encoding: "{karar_tipi.value}|{karar_no_str}"
+        """
+        combined_key = f"{self.karar_tipi.value}|{self.karar_no_str}"
+        return base64.b64encode(combined_key.encode('utf-8')).decode('utf-8')
+
+    model_config = ConfigDict(populate_by_name=True)
+
+class KikSearchResult(BaseModel):
+    """Model for KIK search results."""
+    decisions: List[KikDecisionEntry]
+    total_records: int = 0
+    current_page: int = 1
+
+class KikDocumentMarkdown(BaseModel):
+    """
+    KIK decision document, with Markdown content potentially paginated.
+    """
+    retrieved_with_karar_id: Optional[str] = Field(None, description="Request ID")
+    retrieved_karar_no: Optional[str] = Field(None, description="Decision number")
+    retrieved_karar_tipi: Optional[KikKararTipi] = Field(None, description="Decision type")
+    
+    karar_id_param_from_url: Optional[str] = Field(None, alias="kararIdParam", description="Internal ID")
+    markdown_chunk: Optional[str] = Field(None, description="Content")
+    source_url: Optional[str] = Field(None, description="Source URL")
+    error_message: Optional[str] = Field(None, description="Error")
+    current_page: int = Field(1, description="Page")
+    total_pages: int = Field(1, description="Total pages")
+    is_paginated: bool = Field(False, description="Paginated")
+    full_content_char_count: Optional[int] = Field(None, description="Char count")
+
+    model_config = ConfigDict(populate_by_name=True)