refactor: split schemas.py into schemas/ package

backend/schemas/users.py

@@ -0,0 +1,44 @@
+from pydantic import BaseModel
+from typing import Optional
+
+
+# --- Users ---
+class UserBase(BaseModel):
+    username: str
+    role: str = "user"
+    origin: str = "local"
+
+
+class UserCreate(UserBase):
+    password: Optional[str] = None
+
+
+class User(UserBase):
+    id: int
+
+    class Config:
+        from_attributes = True
+
+
+class UserUpdate(BaseModel):
+    username: Optional[str] = None
+    password: Optional[str] = None
+    role: Optional[str] = None
+
+
+class UserLogin(BaseModel):
+    username: str
+    password: str
+
+
+class UserPasswordUpdate(BaseModel):
+    old_password: Optional[str] = None
+    new_password: str
+
+
+class TokenResponse(BaseModel):
+    access_token: str
+    token_type: str = "bearer"
+    user_id: int
+    username: str
+    role: str