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/router.js

@@ -24,6 +24,7 @@ const ROUTES = [
   { name: 'sentinel', re: /^\/sentinel$/, keys: [] },
   { name: 'little-blue', re: /^\/little-blue$/, keys: [] },
   { name: 'terminal', re: /^\/terminal$/, keys: [] },
+  { name: 'settings', re: /^\/settings$/, keys: [] },
   { name: 'jobs', re: /^\/jobs$/, keys: [] },
   { name: 'home',     re: /^\/?$/,                 keys: [] }
 ];