Initial commit: OAuth 2.0 인증 시스템 with APISIX API Gateway

- FastAPI 백엔드 + MongoDB + Redis 구성
- React + Vite + TypeScript + shadcn/ui 프론트엔드
- Apache APISIX API Gateway 통합
- Docker Compose 기반 개발 환경
- 3단계 권한 체계 (System Admin, Group Admin, User)
- 동적 테마 지원
- 환경별 설정 (dev/vei/prod)

🤖 Generated with Claude Code

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

oauth/backend/app/models/user.py

@@ -0,0 +1,54 @@
+from pydantic import BaseModel, EmailStr, Field
+from datetime import datetime
+from typing import Optional, List
+from enum import Enum
+
+class UserRole(str, Enum):
+    SYSTEM_ADMIN = "system_admin"
+    GROUP_ADMIN = "group_admin"
+    USER = "user"
+
+class UserBase(BaseModel):
+    email: EmailStr
+    username: str
+    full_name: str
+    role: UserRole = UserRole.USER
+    is_active: bool = True
+    phone_number: Optional[str] = None
+    birth_date: Optional[str] = None
+    gender: Optional[str] = None
+    profile_picture: Optional[str] = None
+
+class UserCreate(UserBase):
+    password: str
+
+class UserUpdate(BaseModel):
+    full_name: Optional[str] = None
+    phone_number: Optional[str] = None
+    birth_date: Optional[str] = None
+    gender: Optional[str] = None
+    profile_picture: Optional[str] = None
+
+class UserInDB(UserBase):
+    id: str = Field(alias="_id")
+    hashed_password: str
+    created_at: datetime
+    updated_at: datetime
+    last_login: Optional[datetime] = None
+    
+    class Config:
+        populate_by_name = True
+
+class User(UserBase):
+    id: str
+    created_at: datetime
+    updated_at: datetime
+    last_login: Optional[datetime] = None
+
+class UserPermissions(BaseModel):
+    single_sign_on: bool = True
+    share_name: bool = True
+    share_gender: bool = False
+    share_birth_date: bool = False
+    share_email: bool = True
+    share_phone: bool = False