Command Code's official API has no usage endpoints; the old usage source
was the unofficial studio API reached through a now-archived plugin, so
the tile could only ever fail for officially configured users. Removed
across server, shared UI, and the VS Code extension; the provider logo
fallback stays — it serves the model picker, not usage.
OpenCode Go now reads quota usage with a bearer API key from OpenCode auth.json
Removes the old workspace ID and browser cookie credential flow
Deletes legacy OpenCode Go credential files during upgrade
Jakub Syty