feat(desktop): code-block hover toolbar with copy-as-MD and language picker#3120
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feat(desktop): code-block hover toolbar with copy-as-MD and language picker#3120HUQIANTAO wants to merge 1 commit into
HUQIANTAO wants to merge 1 commit into
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…picker Code blocks in chat previously had a single hover-revealed Copy button. Replace it with a richer toolbar: 1. Copy as Markdown: wraps the value in a fenced code block (```lang) so the snippet pastes into a GitHub issue or README with full syntax highlighting preserved. The leading fence uses the current effective language (override, then prop, then the workspace's remembered-most- recent pick). Brief check-mark feedback reuses the existing pattern. 2. Language picker: a small chevron button next to the copy buttons. Opens a 30-entry menu of the most common languages the agent emits. The user's manual pick is persisted per-workspace (last 5 picks) in localStorage and used as the smart default for the next unlabelled block in that workspace. The override is held in CodeViewer state so highlighter re-runs the right hljs grammar; an Escape or outside click closes the picker without committing. 3. Reserved slots: the toolbar is shaped to accept 'Run in workspace' and 'Open in editor' actions as future bridge additions — the layout doesn't need to change to add them. The toolbar wrapper is a flex row at top-right of the code block; the existing copy button keeps its position. The whole cluster is opacity-0 by default and reveals on :hover/:focus-within with an 80ms delay on the fade-out so a mouse pass over the picker list doesn't blink the buttons away mid-hover. prefers-reduced-motion is honored through the existing @media rule. New files: lib/codeBlockActions.ts (LANGS + rememberLang + suggestedLang + languageLabel), components/CodeBlockToolbar.tsx.
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Code blocks in chat previously had a single hover-revealed Copy button. Replace it with a richer toolbar: