add auth

backend/app/schemas.py

@@ -86,3 +86,28 @@ class SearchResult(BaseModel):
 
 class TagIdList(BaseModel):
     tag_ids: list[int]
+
+
+# --- Auth ---
+
+class LoginRequest(BaseModel):
+    username: str
+    password: str
+
+
+class TokenResponse(BaseModel):
+    access_token: str
+    token_type: str = "bearer"
+
+
+class UserOut(BaseModel):
+    id: int
+    username: str
+    is_admin: bool
+    created_at: datetime
+    model_config = {"from_attributes": True}
+
+
+class UserCreate(BaseModel):
+    username: str
+    password: str