fix(settings): use Query alias for tab param, fix showcase tab persistence

app/routers/web.py

@@ -2,7 +2,7 @@ from datetime import datetime
 from pathlib import Path
 from uuid import uuid4
 
-from fastapi import APIRouter, Depends, File, Form, Request, UploadFile
+from fastapi import APIRouter, Depends, File, Form, Query, Request, UploadFile
 from fastapi.responses import HTMLResponse, RedirectResponse
 from fastapi.templating import Jinja2Templates
 from sqlalchemy.orm import Session
@@ -76,7 +76,7 @@ def login_submit(
 @router.get("/settings", response_class=HTMLResponse)
 def settings_page(
     request: Request,
-    active_tab: str = "account",
+    active_tab: str = Query("account", alias="tab"),
     user: User = Depends(get_current_user_web),
     db: Session = Depends(get_db),
 ):