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/vehicle_share.py

@@ -0,0 +1,69 @@
+from pydantic import BaseModel
+from typing import Optional
+from datetime import datetime
+
+
+class VehicleShareCreate(BaseModel):
+    """Schema for creating a vehicle share"""
+    request_vehicle_id: int
+    markup_amount_krw: float = 0
+
+
+class VehicleShareResponse(BaseModel):
+    """Schema for vehicle share response"""
+    id: int
+    user_id: int
+    request_vehicle_id: int
+    share_code: str
+    original_price_krw: float
+    markup_amount_krw: float
+    shared_price_krw: float
+    view_count: int
+    is_purchased: bool
+    purchased_by_user_id: Optional[int] = None
+    created_at: datetime
+    expires_at: Optional[datetime] = None
+    purchased_at: Optional[datetime] = None
+
+    class Config:
+        from_attributes = True
+
+
+class VehicleSharePublic(BaseModel):
+    """Public schema for shared vehicle (for viewing shared link)"""
+    id: int
+    share_code: str
+    shared_price_krw: float
+    view_count: int
+    is_purchased: bool
+    created_at: datetime
+    # Vehicle info will be added separately
+
+    class Config:
+        from_attributes = True
+
+
+class ShareRewardResponse(BaseModel):
+    """Schema for share reward response"""
+    id: int
+    user_id: int
+    vehicle_share_id: int
+    markup_amount: float
+    reward_amount: float
+    tax_amount: float
+    net_amount: float
+    status: str
+    withdrawn_at: Optional[datetime] = None
+    created_at: datetime
+
+    class Config:
+        from_attributes = True
+
+
+class ShareRewardSummary(BaseModel):
+    """Summary of user's share rewards"""
+    total_rewards: float
+    total_withdrawn: float
+    pending_amount: float
+    available_for_withdrawal: float
+    reward_count: int