Initial commit: Gold Trading Simulator with AI-powered analysis

backend/app/config/settings.py

@@ -0,0 +1,31 @@
+from __future__ import annotations
+
+from pydantic_settings import BaseSettings, SettingsConfigDict
+from pydantic import Field
+
+
+class Settings(BaseSettings):
+    """Application settings (dev defaults). Bind to a .env later if needed."""
+
+    app_env: str = "development"
+    debug: bool = True
+
+    # CORS - default dev origins; can tighten later
+    cors_origins: list[str] = Field(
+        default_factory=lambda: [
+            "http://localhost:3000",
+            "http://127.0.0.1:3000",
+        ]
+    )
+
+    # API keys (optional here; use backend/.env in dev)
+    alpha_vantage_api_key: str | None = None
+    openrouter_api_key: str | None = None
+
+    # Providers
+    binance_ws_url: str = "wss://stream.binance.com:9443/ws"
+
+    model_config = SettingsConfigDict(env_file=".env", extra="ignore")
+
+
+settings = Settings()