app/config.py

# app/config.py
from pydantic_settings import BaseSettings


class Settings(BaseSettings):
    # OpenAI Configuration (Required)
    OPENAI_API_KEY: str

    # Database Configuration (Required)
    NEON_DATABASE_URL: str

    # Qdrant Vector Database (Required)
    QDRANT_URL: str
    QDRANT_API_KEY: str

    # OpenAI Model Configuration (Optional - defaults provided)
    OPENAI_MODEL_CHAT: str = "gpt-4o-mini"
    OPENAI_MODEL_EMBEDDING: str = "text-embedding-3-small"

    class Config:
        env_file = ".env"
        env_file_encoding = 'utf-8'
        extra = "ignore"  # Ignore extra env vars like legacy gemini_api_key


settings = Settings()