Initial commit: AutonetSellCar platform with deployment system

- Frontend: Next.js 14 with TypeScript
- Backend: FastAPI with SQLAlchemy
- Agent: Carmodoo sync agent
- Deployment: Docker Compose based staging/production setup
- Scripts: Automated deployment with rollback support

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/app/config.py

@@ -0,0 +1,80 @@
+from pydantic_settings import BaseSettings
+from functools import lru_cache
+import os
+
+
+class Settings(BaseSettings):
+    # Database - Local SQLite or Remote PostgreSQL
+    USE_SQLITE: bool = True  # Set to False for production PostgreSQL
+    DB_HOST: str = "192.168.0.201"
+    DB_PORT: int = 5432
+    DB_NAME: str = "autonet"
+    DB_USER: str = "admin"
+    DB_PASSWORD: str = ""
+
+    # Redis
+    REDIS_HOST: str = "192.168.0.201"
+    REDIS_PORT: int = 6379
+    REDIS_PASSWORD: str = ""
+
+    # JWT
+    SECRET_KEY: str = "your-secret-key-for-dev-123"
+    ALGORITHM: str = "HS256"
+    ACCESS_TOKEN_EXPIRE_MINUTES: int = 480  # 8 hours for development
+
+    # Agent
+    AGENT_API_KEY: str = ""
+
+    # App
+    DEBUG: bool = True
+
+    # Stripe
+    STRIPE_SECRET_KEY: str = ""  # sk_test_... or sk_live_...
+    STRIPE_PUBLISHABLE_KEY: str = ""  # pk_test_... or pk_live_...
+    STRIPE_WEBHOOK_SECRET: str = ""  # whsec_...
+    STRIPE_SUCCESS_URL: str = "http://localhost:3000/cc/success"
+    STRIPE_CANCEL_URL: str = "http://localhost:3000/cc/purchase"
+
+    # Azure Translator
+    AZURE_TRANSLATOR_KEY: str = ""
+    AZURE_TRANSLATOR_REGION: str = "koreacentral"
+
+    # Email Settings (SMTP)
+    SMTP_HOST: str = "smtp.gmail.com"
+    SMTP_PORT: int = 587
+    SMTP_USER: str = ""
+    SMTP_PASSWORD: str = ""  # App password for Gmail
+    SMTP_FROM_EMAIL: str = ""
+    SMTP_FROM_NAME: str = "AutonetSellCar"
+
+    # SMS Settings (Twilio)
+    TWILIO_ACCOUNT_SID: str = ""
+    TWILIO_AUTH_TOKEN: str = ""
+    TWILIO_PHONE_NUMBER: str = ""  # Your Twilio phone number
+
+    # Verification Settings
+    VERIFICATION_CODE_EXPIRE_MINUTES: int = 10
+    EMAIL_VERIFICATION_REQUIRED: bool = True  # Require email verification for signup
+    PHONE_VERIFICATION_REQUIRED_FOR_CC: bool = True  # Require phone for CC charging
+
+    @property
+    def DATABASE_URL(self) -> str:
+        if self.USE_SQLITE:
+            # Get the backend directory path
+            base_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+            db_path = os.path.join(base_dir, "autonet.db")
+            return f"sqlite:///{db_path}"
+        return f"postgresql://{self.DB_USER}:{self.DB_PASSWORD}@{self.DB_HOST}:{self.DB_PORT}/{self.DB_NAME}"
+
+    @property
+    def REDIS_URL(self) -> str:
+        return f"redis://:{self.REDIS_PASSWORD}@{self.REDIS_HOST}:{self.REDIS_PORT}/0"
+
+    class Config:
+        env_file = ".env"
+
+
+@lru_cache()
+def get_settings() -> Settings:
+    """Get cached settings - updated with SMTP credentials"""
+    return Settings()