initial commit

backend/app/config.py

@@ -0,0 +1,45 @@
+"""FluentGerman.ai — Application configuration."""
+
+from functools import lru_cache
+from typing import Literal
+
+from pydantic_settings import BaseSettings
+
+
+class Settings(BaseSettings):
+    """App settings loaded from environment / .env file."""
+
+    # App
+    app_name: str = "FluentGerman.ai"
+    debug: bool = False
+
+    # Security
+    secret_key: str = "CHANGE-ME-in-production"
+    access_token_expire_minutes: int = 60 * 24  # 24h
+    algorithm: str = "HS256"
+
+    # Database
+    database_url: str = "postgresql+asyncpg://fluentgerman:fluentgerman@localhost:5432/fluentgerman"
+
+    # LLM
+    llm_provider: str = "openai"  # used by litellm routing
+    llm_api_key: str = ""
+    llm_model: str = "gpt-4o-mini"
+
+    # Voice feature flag: "api" = LLM provider Whisper/TTS, "browser" = Web Speech API
+    voice_mode: Literal["api", "browser"] = "api"
+    tts_model: str = "tts-1"
+    tts_voice: str = "alloy"
+    stt_model: str = "whisper-1"
+
+    # Admin bootstrap
+    admin_email: str = "admin@fluentgerman.ai"
+    admin_username: str = "admin"
+    admin_password: str = "CHANGE-ME"
+
+    model_config = {"env_file": ".env", "env_file_encoding": "utf-8"}
+
+
+@lru_cache
+def get_settings() -> Settings:
+    return Settings()