feat(ag-ui): FakeAgent for offline cockpit demo#140
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5 tasks: implement FakeAgent + spec, provideFakeAgUiAgent + spec, public-api exports, cockpit demo rewiring, verify + PR. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
In-process AbstractAgent subclass that emits a canned streaming
response. Drop-in replacement for provideAgUiAgent({ url }) when
no real backend is available. Tests cover event ordering, token
streaming, and unsubscribe cancellation.
Deviation from plan: FakeAgent.run() is public (not protected) to
satisfy AbstractAgent's public abstract signature in @ag-ui/client@0.0.53.
Spec calls agent.run() directly rather than via (agent as any).run().
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Demo runs end-to-end with no backend or network. Real-backend wiring
is one line away via provideAgUiAgent({ url: ... }).
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
@ag-ui/client@0.0.52 pins rxjs@7.8.1 exactly, which caused npm to install rxjs in two locations (top-level 7.8.2 and nested 7.8.1 under node_modules/@ag-ui/client/). TypeScript saw the two Observable types as incompatible across module boundaries when the AG-UI adapter tried to subscribe to source.agent(). The npm override forces all rxjs resolutions to follow the project's ~7.8.0 range, deduping to a single hoisted install. ABI-compatible. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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…ride Previous commit (43ad74f) regenerated package-lock.json on macOS, which silently dropped optional platform-specific @next/swc-* bindings for non-darwin platforms. CI on Linux failed with 'Failed to load native binding' on apps/cockpit/next.config.ts and apps/website/. Restore main's lockfile then surgically remove only the nested @ag-ui/client/node_modules/rxjs entry (the override target). Verified: all 24 @next/swc-* entries present, single hoisted rxjs, npm ci passes on clean checkout. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Summary
Motivation
The AG-UI dojo at `dojo.ag-ui.com` speaks CopilotKit's runtime protocol, not raw AG-UI HTTP — so an HttpAgent can't directly point at it. Until a public AG-UI-native endpoint exists (or we ship a local backend), the in-process fake unblocks the demo and proves the chat-runtime decoupling end-to-end with no external dependencies.
Real-backend swap
One line in `app.config.ts`:
```ts
providers: [provideAgUiAgent({ url: 'https://your.agent.endpoint' })]
```
Test Plan
Plan
🤖 Generated with Claude Code