feat(feishu): replace built-in SDK with community plugin

Replace the built-in Feishu SDK with the community-maintained
clawdbot-feishu plugin by @m1heng.

Changes:
- Remove src/feishu/ directory (19 files)
- Remove src/channels/plugins/outbound/feishu.ts
- Remove src/channels/plugins/normalize/feishu.ts
- Remove src/config/types.feishu.ts
- Remove feishu exports from plugin-sdk/index.ts
- Remove FeishuConfig from types.channels.ts

New features in community plugin:
- Document tools (read/create/edit Feishu docs)
- Wiki tools (navigate/manage knowledge base)
- Drive tools (folder/file management)
- Bitable tools (read/write table records)
- Permission tools (collaborator management)
- Emoji reactions support
- Typing indicators
- Rich media support (bidirectional image/file transfer)
- @mention handling
- Skills for feishu-doc, feishu-wiki, feishu-drive, feishu-perm

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

extensions/feishu/package.json

@@ -1,8 +1,13 @@
 {
   "name": "@openclaw/feishu",
   "version": "2026.2.4",
-  "description": "OpenClaw Feishu channel plugin",
+  "description": "OpenClaw Feishu/Lark channel plugin (community maintained by @m1heng)",
   "type": "module",
+  "dependencies": {
+    "@larksuiteoapi/node-sdk": "^1.56.1",
+    "@sinclair/typebox": "^0.34.48",
+    "zod": "^4.3.6"
+  },
   "devDependencies": {
     "openclaw": "workspace:*"
   },
@@ -13,11 +18,10 @@
     "channel": {
       "id": "feishu",
       "label": "Feishu",
-      "selectionLabel": "Feishu (Lark Open Platform)",
-      "detailLabel": "Feishu Bot",
+      "selectionLabel": "Feishu/Lark (飞书)",
       "docsPath": "/channels/feishu",
       "docsLabel": "feishu",
-      "blurb": "Feishu/Lark bot via WebSocket.",
+      "blurb": "飞书/Lark enterprise messaging with doc/wiki/drive tools.",
       "aliases": [
         "lark"
       ],