Initial commit

backend/app/config.py

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+from functools import lru_cache
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Settings(BaseSettings):
+    model_config = SettingsConfigDict(env_file=".env", extra="ignore")
+
+    # URLs
+    LOCAL_URL: str = "http://localhost"
+    PUBLIC_URL: str = ""
+
+    # Database
+    DATABASE_URL: str = "postgresql+asyncpg://congress:congress@postgres:5432/pocketveto"
+    SYNC_DATABASE_URL: str = "postgresql://congress:congress@postgres:5432/pocketveto"
+
+    # Redis
+    REDIS_URL: str = "redis://redis:6379/0"
+
+    # api.data.gov (shared key for Congress.gov and GovInfo)
+    DATA_GOV_API_KEY: str = ""
+    CONGRESS_POLL_INTERVAL_MINUTES: int = 30
+
+    # LLM
+    LLM_PROVIDER: str = "openai"  # openai | anthropic | gemini | ollama
+
+    OPENAI_API_KEY: str = ""
+    OPENAI_MODEL: str = "gpt-4o"
+
+    ANTHROPIC_API_KEY: str = ""
+    ANTHROPIC_MODEL: str = "claude-opus-4-6"
+
+    GEMINI_API_KEY: str = ""
+    GEMINI_MODEL: str = "gemini-1.5-pro"
+
+    OLLAMA_BASE_URL: str = "http://host.docker.internal:11434"
+    OLLAMA_MODEL: str = "llama3.1"
+
+    # News
+    NEWSAPI_KEY: str = ""
+
+    # pytrends
+    PYTRENDS_ENABLED: bool = True
+
+
+@lru_cache
+def get_settings() -> Settings:
+    return Settings()
+
+
+settings = get_settings()