feat(07-07): replay the 15 user-api routes and both nuxt auth flows

Match PHP payloads, already-activated Winter 500 HTML, and direct-DB
seeding so the corpus can flip those routes to ported without onboarding.

Co-authored-by: Cursor <cursoragent@cursor.com>

controllers/winter_error_page.html

@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html lang="pl">
+    <head>
+        <meta charset="utf-8">
+        <title>Błąd strony</title>
+        <link href="http://127.0.0.1:8423/modules/system/assets/css/styles.css" rel="stylesheet">
+    </head>
+    <body>
+        <div class="container">
+            <h1><i class="icon-power-off warning"></i> Błąd strony</h1>
+            <p class="lead">Bardzo przepraszamy, jednak coś poszło nie tak i strona nie może zostać wyświetlona.</p>
+        </div>
+    </body>
+</html>