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/schemas/inquiry.py

@@ -0,0 +1,67 @@
+from pydantic import BaseModel
+from typing import Optional, List
+from datetime import datetime
+
+
+class InquiryCreate(BaseModel):
+    category: str = "general"
+    subject: Optional[str] = None
+    message: str
+    contact_email: Optional[str] = None
+    contact_phone: Optional[str] = None
+    car_id: Optional[int] = None  # For backward compatibility
+
+
+class InquiryResponse(BaseModel):
+    id: int
+    user_id: Optional[int] = None
+    car_id: Optional[int] = None
+    category: Optional[str] = "general"
+    subject: Optional[str] = None
+    message: str
+    contact_email: Optional[str] = None
+    contact_phone: Optional[str] = None
+    status: str
+    admin_response: Optional[str] = None
+    responded_at: Optional[datetime] = None
+    responded_by: Optional[int] = None
+    created_at: datetime
+    updated_at: Optional[datetime] = None
+
+    class Config:
+        from_attributes = True
+
+
+class InquiryMessageCreate(BaseModel):
+    message: str
+
+
+class InquiryMessageResponse(BaseModel):
+    id: int
+    inquiry_id: int
+    user_id: int
+    message: str
+    is_admin: bool
+    created_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+class InquiryWithMessages(BaseModel):
+    inquiry: InquiryResponse
+    messages: List[InquiryMessageResponse]
+
+
+class InquiryListResponse(BaseModel):
+    inquiries: List[InquiryResponse]
+    total: int
+
+
+class AdminInquiryRespond(BaseModel):
+    message: str
+    status: Optional[str] = None  # Can update status with response
+
+
+class AdminInquiryUpdateStatus(BaseModel):
+    status: str