updated the architecture

app/config.py

@@ -0,0 +1,34 @@
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Settings(BaseSettings):
+    app_name: str = "SecureLens AI"
+    app_version: str = "1.0.0"
+    debug: bool = False
+
+    host: str = "0.0.0.0"
+    port: int = 8000
+
+    cors_origins: str = "http://localhost:3000,http://localhost:5173"
+
+    rate_limit: str = "30/minute"
+
+    scan_timeout: int = 5
+    path_check_timeout: int = 3
+
+    database_url: str = "postgresql+asyncpg://securelens:securelens@localhost:5433/securelens"
+
+    jwt_secret: str = "change-me-in-production-use-a-long-random-string"
+    jwt_algorithm: str = "HS256"
+    jwt_expiry_minutes: int = 1440
+
+    openai_api_key: str | None = None
+
+    model_config = SettingsConfigDict(env_file=".env", env_file_encoding="utf-8")
+
+    @property
+    def cors_origin_list(self) -> list[str]:
+        return [origin.strip() for origin in self.cors_origins.split(",") if origin.strip()]
+
+
+settings = Settings()