feat(ui): Settings view + per-space project cards (status/research/edit/delete) + theming pass

- Settings (#/settings): API tokens (mint/list/revoke), Agents list, Orthos Mode placeholder
- Per-space Projects: Void-1-style expandable cards — inline status, ↻ Research (Eithan stub),
  Edit/New modal, Delete-with-confirm; migration 019 adds research_status/notes/timestamps;
  POST /api/projects/:id/research stub; GET /api/agent-tokens list
- Global +1 font bump; themed scrollbars; larger/bolder themed topbar

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

public/app.js

@@ -25,6 +25,7 @@ const VIEWS = {
   sentinel:        () => import('./views/sentinel.js'),
   'little-blue':   () => import('./views/little_blue.js'),
   terminal:        () => import('./views/terminal.js'),
+  settings:        () => import('./views/settings.js'),
   jobs:            () => import('./views/jobs.js')
 };