feat: add user settings page (change username/password) and remove public registration

app/schemas.py

@@ -3,18 +3,6 @@ from datetime import datetime
 from pydantic import BaseModel
 
 
-# ---------- Auth ----------
-
-class RegisterRequest(BaseModel):
-    username: str
-    password: str
-
-
-class LoginRequest(BaseModel):
-    username: str
-    password: str
-
-
 # ---------- Profile ----------
 
 class ProfileCreate(BaseModel):
@@ -33,7 +21,7 @@ class ProfileOut(BaseModel):
 
 class PostcardCreate(BaseModel):
     card_number: str
-    status: str  # sent / delivered / received
+    status: str
     recipient_name: str | None = None
     country: str | None = None
     send_time: datetime | None = None
@@ -50,7 +38,7 @@ class PostcardUpdate(BaseModel):
     send_time: datetime | None = None
     arrival_time: datetime | None = None
     sender_name: str | None = None
-    receive_time: datetime | None = None
+    receive_time: str | None = None
 
 
 class PostcardOut(BaseModel):
@@ -70,13 +58,3 @@ class PostcardOut(BaseModel):
     updated_at: datetime
 
     model_config = {"from_attributes": True}
-
-
-# ---------- ApiKey ----------
-
-class ApiKeyOut(BaseModel):
-    id: int
-    key: str
-    created_at: datetime
-
-    model_config = {"from_attributes": True}