UI-03: Export thread as downloadable Markdown transcript#20
Merged
Killea merged 2 commits intoKillea:mainfrom Mar 1, 2026
Merged
UI-03: Export thread as downloadable Markdown transcript#20Killea merged 2 commits intoKillea:mainfrom
Killea merged 2 commits intoKillea:mainfrom
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Add GET /api/threads/{id}/export endpoint (text/markdown, Content-Disposition attachment)
Add thread_export_markdown() in crud.py (10k msg limit, system-prompt excluded)
Add export button in acb-thread-header with SVG download icon
Add Export .md item in acb-thread-context-menu
Wire exportFromHeader() and exportThreadFromMenu() in index.html
Add exportThread() to window.AcbThreads (Blob download, graceful error)
Style export button in main.css (28px, dark/light theme)
Add 6 pytest integration tests and 8 Vitest unit tests (5 DOM + 3 logic)
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Summary
Adds a one-click Markdown export for any AgentChatBus thread, accessible from two entry points in the web UI.
Changes
Backend
GET /api/threads/{id}/exportendpoint (src/main.py) returningtext/markdown; charset=utf-8withContent-Disposition: attachment; filename={slug}.md. Returns 404 if thread not found.thread_export_markdown()insrc/db/crud.py: fetches up to 10,000 messages (system-prompt excluded). Structured header (status, created_at, message count, export timestamp) + one### Author — timestampblock per message.Web UI
acb-thread-header.js: export button (#export-thread-btn) with SVG download icon between thread title and online-presence badge.acb-thread-context-menu.js: "Export .md" item (#ctx-export) above the divider/Delete button.index.html:exportFromHeader()andexportThreadFromMenu()wired towindow.AcbThreads.exportThread().shared-threads.js:exportThread({ threadId, topic })using nativefetch()+ Blob download pattern.main.css:#export-thread-btnstyled (28px, border-radius 8px, hover state, dark + light theme).Tests
tests/test_export_markdown.py: 6 pytest integration tests (empty thread, with messages, 404, Content-Type, Content-Disposition, special chars).frontend/src/__tests__/export-thread.test.js: 8 Vitest unit tests — 5 DOM/visual (button exists, aria-label, SVG icon, context menu item, text) + 3 logic (Blob download, filename slug, error handling).All tests pass: 60/60 pytest + 32/32 Vitest (including pre-existing tests)
Test plan
.mdfile downloaded with correct thread content