feat(ui): Little Blue view — caretaker chat + actions panel

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

public/app.js

@@ -23,6 +23,7 @@ const VIEWS = {
   inbox:           () => import('./views/inbox.js'),
   'sacred-valley': () => import('./views/sacred_valley.js'),
   sentinel:        () => import('./views/sentinel.js'),
+  'little-blue':   () => import('./views/little_blue.js'),
   jobs:            () => import('./views/jobs.js')
 };