Initial commit: import from sinmb79/Gov-chat-bot

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/app/core/config.py

@@ -0,0 +1,65 @@
+from pydantic_settings import BaseSettings
+from typing import Optional
+
+
+class Settings(BaseSettings):
+    # 보안
+    SECRET_KEY: str = "change-this-in-production-32chars"
+    JWT_EXPIRE_HOURS: int = 24
+
+    # 데이터베이스
+    DATABASE_URL: str = "postgresql+asyncpg://botuser:botpass@db:5432/smartbot"
+    REDIS_URL: str = "redis://redis:6379"
+
+    # 벡터DB
+    VECTOR_DB: str = "chromadb"
+    CHROMA_HOST: str = "chromadb"
+    CHROMA_PORT: int = 8000
+
+    # Provider 기본값 (테넌트별 TenantConfig로 오버라이드 가능)
+    LLM_PROVIDER: str = "none"
+    EMBEDDING_PROVIDER: str = "local"
+    EMBEDDING_MODEL: str = "jhgan/ko-sroberta-multitask"
+
+    # 개인정보
+    CHAT_LOG_RETENTION_DAYS: int = 30
+
+    # Idempotency
+    IDEMPOTENCY_TTL_SECONDS: int = 60
+
+    # Admin 초기값
+    ADMIN_DEFAULT_EMAIL: str = "admin@smartbot.kr"
+    ADMIN_DEFAULT_PASSWORD: str = "changeme123!"
+
+    # CORS
+    ALLOWED_ORIGINS: list[str] = ["http://localhost"]
+
+    class Config:
+        env_file = ".env"
+        case_sensitive = True
+
+
+settings = Settings()
+
+# 설정 우선순위:
+# 1 (최고) TenantConfig DB 값 → 해당 테넌트에만 적용
+# 2 환경변수 (.env) → 서버 전체 기본값
+# 3 (최저) 코드 하드코딩 → 폴백
+
+
+async def get_tenant_config(tenant_id: str, db) -> dict:
+    """TenantConfig에서 테넌트별 설정 로드. 없으면 전역 settings 사용."""
+    from app.models.tenant import TenantConfig
+    from sqlalchemy import select
+
+    result = await db.execute(
+        select(TenantConfig).where(TenantConfig.tenant_id == tenant_id)
+    )
+    configs = result.scalars().all()
+
+    base = settings.model_dump()
+    if not configs:
+        return base
+
+    overrides = {cfg.key: cfg.value for cfg in configs}
+    return {**base, **overrides}