Initial DocsMCP stack

backend/app/config.py

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+# Configuration Settings
+import os
+from dataclasses import dataclass
+
+
+@dataclass(frozen=True)
+class Settings:
+    """Application settings loaded from environment variables."""
+
+    vector_store_host: str = os.getenv("VECTOR_STORE_HOST", "qdrant")
+    vector_store_port: int = int(os.getenv("VECTOR_STORE_PORT", "6333"))
+    collection_name: str = os.getenv("COLLECTION_NAME", "local_context7_docs")
+    embedding_model_name: str = os.getenv("EMBEDDING_MODEL_NAME", "all-MiniLM-L6-v2")
+    docs_path: str = os.getenv("DOCS_PATH", "./docs")
+    db_path: str = os.getenv("DB_PATH", "./data/db.sqlite")
+    log_level: str = os.getenv("LOG_LEVEL", "INFO")
+    api_key_docs_api: str = os.getenv("API_KEY_DOCS_API", "")
+
+    @property
+    def is_auth_enabled(self) -> bool:
+        """Return True if API key authentication is enabled."""
+        return bool(self.api_key_docs_api)
+
+
+settings = Settings()