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/components/sidebar.js

@@ -97,7 +97,7 @@ export function renderSidebar(root) {
       navItem('Search', '/search'),
       inboxItem,
       navItem('Jobs', '/jobs'),
-      el('div', { class: 'sb-item muted', title: 'Ships post-Plan-2' }, 'Resources — later')
+      navItem('Settings', '/settings')
     )
   );