docs(api): generate auth docs and archive p00 change

backend/.scribe/intro.md

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+# Introduction
+
+Resource planning and capacity management API
+
+<aside>
+    <strong>Base URL</strong>: <code>http://localhost/api</code>
+</aside>
+
+    Authenticate by sending `Authorization: Bearer {access_token}` on protected endpoints.
+
+    Access tokens are valid for 60 minutes. Use `/api/auth/refresh` with your refresh token to obtain a new access token and refresh token pair.
+