yyqdbngt opened a new pull request, #4100:
URL: https://github.com/apache/rocketmq-dashboard/pull/4100
## Summary
Add a "复制最新回答" (Copy Latest Answer) button to the AI page bottom toolbar. It
copies the text of the latest assistant message in the current conversation via
`navigator.clipboard.writeText`, with a textarea +
`document.execCommand('copy')` fallback, and shows success/error toasts. The
button is disabled when the current conversation has no assistant message with
content.
Field notes (per the actual page structure, which differs slightly from the
issue description): assistant messages use `role: 'ai'` (not `'assistant'`),
and the streamed answer text lives in the `summary` field (`text` is only set
on user messages). The copy handler therefore reads `summary || text` of the
last `ai`-role message.
## Why
Copying a long generated answer currently requires manual selection in the
chat area. A one-click copy action is a small, common quality-of-life
improvement for the assistant workflow.
## Testing
- Local type-check: `cd web && ./node_modules/.bin/tsc -b tsconfig.app.json`
→ exit 0.
- Server Node 20: `./node_modules/.bin/vitest run
src/pages/ai/__tests__/AiPage.test.tsx` → all tests green.
- New tests (existing tests did not cover clipboard behavior):
- copies the latest assistant answer to the clipboard (mocked
`navigator.clipboard.writeText`, asserts the streamed answer text and the
success toast);
- disables the copy button when there is no assistant answer.
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