feat(feishu): use interactive card messages for markdown rendering#21000
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feat(feishu): use interactive card messages for markdown rendering#21000Only-Code-A wants to merge 2 commits intoNousResearch:mainfrom
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…n support
Feishu's legacy card JSON 1.0 markdown elements have severely limited rendering:
- No heading support (## renders as raw text)
- No table support (| xxx | not rendered)
- No blockquote support (> not rendered)
- Tables in responses caused blank messages (had a workaround forcing plain text)
Upgrade to Card JSON 2.0 structure which uses rich text markdown elements that
render the full markdown spec reliably across all Feishu clients:
- Headings (# ## ###)
- Tables (| header | with separator rows)
- Blockquotes (> quoted text)
- Bold, italic, strikethrough, inline code
- Code blocks with language highlighting
- Ordered/unordered lists with nesting
- Links and emoji
Changes:
- Add Card JSON 2.0 schema declaration ("schema": "2.0")
- Move elements under body.elements (2.0 structure requirement)
- Update _build_markdown_card_payload() to produce Card JSON 2.0 structure
- Remove legacy workarounds (table-to-plain-text fallback no longer needed)
- Update fallback logic in send/edit/retry to handle 'interactive' type
alongside 'post'
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The adapter now uses interactive card messages (Card JSON 2.0) instead of post-type messages for markdown content. Update 6 test assertions: - msg_type 'post' → 'interactive' - payload structure from zh_cn.content rows to schema 2.0 body.elements - element tag from 'md' to 'markdown', key from 'text' to 'content'
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Summary
Upgrade Feishu card messages from Card JSON 1.0 to Card JSON 2.0 structure, enabling full markdown rendering including headings, tables, and blockquotes.
Problem
The legacy Card JSON 1.0 markdown elements have severely limited rendering:
## Headingrenders as raw text| Table |not rendered at all> Blockquotenot renderedSolution
Upgrade to Card JSON 2.0 (
"schema": "2.0") which uses rich text markdown elements supporting the full markdown spec:Changes
"schema": "2.0"declaration to card payloadelementsunderbody.elements(2.0 structure requirement)_build_markdown_card_payload()to produce Card JSON 2.0 structureinteractivetype alongsidepostTesting
Manually verified on Feishu client (desktop + mobile):