feat(control): IV Control admin app — owner-gated /api/control proxy to ivctl + Control view (applicants/instances/releases/tickets/groups) + sidebar

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

public/router.js

@@ -32,6 +32,7 @@ const ROUTES = [
   { name: 'links',     re: /^\/links$/,     keys: [] },
   { name: 'mirror',    re: /^\/mirror$/,    keys: [] },
   { name: 'forge',     re: /^\/forge$/,     keys: [] },
+  { name: 'control',   re: /^\/control$/,   keys: [] },
   { name: 'settings', re: /^\/settings$/, keys: [] },
   { name: 'jobs', re: /^\/jobs$/, keys: [] },
   { name: 'speedtest', re: /^\/speedtest$/, keys: [] },