2a9ebe24: Implement auth endpoints (register/login/JWT) with SQLAlchemy

app/schemas/auth.py

@@ -0,0 +1,40 @@
+"""Authentication Pydantic schemas."""
+from datetime import datetime
+from typing import Optional
+
+from pydantic import BaseModel, ConfigDict, EmailStr, Field
+
+
+class UserRegister(BaseModel):
+    """Request model for user registration."""
+
+    username: str = Field(..., min_length=3, max_length=50)
+    email: EmailStr
+    password: str = Field(..., min_length=6)
+
+
+class UserLogin(BaseModel):
+    """Request model for user login."""
+
+    username: str
+    password: str
+
+
+class Token(BaseModel):
+    """Response model for JWT token."""
+
+    access_token: str
+    token_type: str = "bearer"
+
+
+class UserResponse(BaseModel):
+    """Response model for user data."""
+
+    id: int
+    username: str
+    email: str
+    avatar_url: Optional[str] = "/static/default-avatar.png"
+    bio: Optional[str] = ""
+    created_at: datetime
+
+    model_config = ConfigDict(from_attributes=True)