feat: add Feishu/Lark adapter (@chat-adapter/feishu)#108
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moeyua wants to merge 4 commits intovercel:mainfrom
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feat: add Feishu/Lark adapter (@chat-adapter/feishu)#108moeyua wants to merge 4 commits intovercel:mainfrom
moeyua wants to merge 4 commits intovercel:mainfrom
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Implement complete Feishu/Lark platform adapter following existing adapter patterns: - FeishuAdapter class implementing full Adapter interface - FeishuFormatConverter extending BaseFormatConverter for rich text (post) format - Interactive card support (cardToFeishuPayload, cardToFallbackText) - Webhook verification, message parsing, reactions, thread management - createFeishuAdapter() factory function with config validation - Add FEISHU_* env vars to turbo.json globalEnv - Tests for cards (18) and markdown (30) converters, all passing
…s, file uploads - Add AES-256-CBC event decryption with SHA-256 key derivation - Add SHA-256 signature verification for webhook security - Fix removeReaction to list-then-delete by reaction UUID - Broaden mention regex to support hyphens/dots in usernames - Add logger.warn for silently dropped file attachments - Add 10 new tests covering all fixes (87 total, all passing)
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…ader rejection, DM routing - Use crypto.timingSafeEqual for signature verification to prevent timing attacks - Return 401 when encryptKey is configured but signature headers are missing - Add sendToChat() helper to route DM threads via message.create instead of reply - Update and add corresponding unit tests
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Summary
Add a complete Feishu (飞书/Lark) adapter to the Chat SDK, implementing the full
Adapterinterface with production-quality security and platform integration.New Package
@chat-adapter/feishu— 11 new files, ~3,200 lines (source + tests + config)Source Files
src/index.ts— FullAdapterimplementation: webhook handling, message CRUD, reactions, typing indicators, thread/channel operations, DM supportsrc/types.ts— Feishu API types (events, messages, responses, config)src/markdown.ts— Bidirectional mdast ↔ Feishu markdown conversion (bold, italic, links, code blocks, lists, mentions)src/cards.ts— Interactive card message conversion (Card → Feishu card JSON)Tests (87 total, all passing)
src/index.test.ts— 35 tests: webhook verification, message parsing, encryption/decryption, signature verification, thread ID encoding, config validationsrc/markdown.test.ts— 34 tests: format conversion, mention parsing, edge casessrc/cards.test.ts— 18 tests: card element conversion, nested structuresKey Features
feishu:{chatId}:{base64(messageId)}ValidationErrorfrom@chat-adapter/sharedcreateFeishuAdapter(config)matching existing adapter conventionsMonorepo Integration
turbo.jsonupdated withFEISHU_*env varspnpm validatepasses (knip, biome check, typecheck 23/23, all test suites, build)Checklist
Adapterinterface frompackages/chat/src/types.tspnpm validateclean (knip + biome + typecheck + test + build)as any/@ts-ignore/@ts-expect-error