The Cursor provider card's Enable action only flips useCursorCli in
settings and never registers fusion-plugin-cursor-runtime, so
getRuntimeById("cursor") missed and every cursor-cli selection hit the
runtime-routed fail-fast error even with an authenticated cursor-agent.
Mirror the FN-7761 Grok eager bootstrap in serve, dashboard, and daemon,
guarded by the same source-scan regression test.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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