first commit

app/schemas/auth.py

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+from pydantic import BaseModel, EmailStr, Field
+from typing import Optional
+from datetime import datetime
+from app.models.user import UserRole
+
+# 회원가입 요청
+class UserRegister(BaseModel):
+    username: str = Field(..., min_length=3, max_length=50)
+    email: EmailStr
+    password: str = Field(..., min_length=6)
+    full_name: Optional[str] = None
+
+# 로그인 요청
+class UserLogin(BaseModel):
+    username: str
+    password: str
+
+# 토큰 응답
+class Token(BaseModel):
+    access_token: str
+    refresh_token: str
+    token_type: str = "bearer"
+    expires_in: int
+
+# 토큰 페이로드
+class TokenPayload(BaseModel):
+    sub: str  # user_id
+    exp: datetime
+    role: UserRole
+
+# 사용자 응답
+class UserResponse(BaseModel):
+    id: int
+    username: str
+    email: str
+    full_name: Optional[str]
+    role: UserRole
+    is_active: bool
+    created_at: datetime
+    last_login: Optional[datetime]
+    
+    class Config:
+        from_attributes = True
+
+# 현재 사용자 정보
+class CurrentUser(BaseModel):
+    id: int
+    username: str
+    email: str
+    role: UserRole
+    is_active: bool