AI Implementation feature(886): Admin Area General Settings and Categories 1.04 (#26)

docs/api/system.md

@@ -3,7 +3,7 @@ type: api
 title: System Endpoints
 description: Bootstrap payload, public event status, public/authenticated SSE streams, and public event-window timestamps.
 tags: [api, system, bootstrap, event, sse, settings]
-timestamp: 2026-07-21T22:19:08Z
+timestamp: 2026-07-22T13:40:00Z
 ---
 
 # Endpoints
@@ -52,6 +52,10 @@ SPA's `BootstrapService`:
 * `passwordPolicy` is derived from `PASSWORD_MIN_LENGTH` /
   `PASSWORD_REQUIRE_MIXED` env vars (see
   [Change Password Guide](/guides/change-password.md)).
+* The frontend `BootstrapService` caches the initial bootstrap request through
+  `load()`/`ready()`. Its `refresh()` method fetches the payload again, updates
+  signals, and reapplies the theme; `/admin/general` calls it after a successful
+  settings update.
 
 # `GET /api/v1/event/status` (legacy public snapshot)