Show the workspace credit balance in the topbar

Read from GET /organizations/me, refreshed after every action and every
30 seconds, since agents and schedules spend credits in the background.
The date is dropped from the topbar, and its items wrap on phones.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/components/Icon.tsx

@@ -22,6 +22,7 @@ const paths: Record<string, string> = {
   video: '<rect x="3" y="5" width="18" height="14" rx="3"/><path d="m10 9 5 3-5 3z"/>',
   audio: '<path d="M4 13v-2a8 8 0 0 1 16 0v2"/><rect x="3" y="11" width="4" height="8" rx="2"/><rect x="17" y="11" width="4" height="8" rx="2"/>',
   scorm: '<path d="m12 3 9 5-9 5-9-5zM3 8v9l9 5 9-5V8M12 13v9"/>',
+  coin: '<circle cx="12" cy="12" r="9"/><path d="M15 9.5c-.5-1-1.6-1.5-3-1.5-1.7 0-3 .8-3 2s1.3 1.7 3 2 3 .8 3 2-1.3 2-3 2c-1.4 0-2.5-.5-3-1.5M12 6v2M12 16v2"/>',
   brain: '<path d="M12 5c-3-4-8-1-7 3-4 2-3 7 0 8-1 4 5 6 7 2M12 5c3-4 8-1 7 3 4 2 3 7 0 8 1 4-5 6-7 2M12 5v15M7 9l3 2M17 9l-3 2M6 15l3-1M18 15l-3-1"/>',
 }