Revert "Remove @larksuite/openclaw-lark dependency and related plugin installation logic, as Feishu is now a built-in extension since OpenClaw 2026.4.11. Update relevant code and documentation to reflect this change."

This reverts commit 5b8a35391d.

electron/main/ipc-handlers.ts

@@ -36,6 +36,7 @@ import { toOpenClawChannelType, toUiChannelType } from '../utils/channel-alias';
 import { checkUvInstalled, installUv, setupManagedPython } from '../utils/uv-setup';
 import {
   ensureDingTalkPluginInstalled,
+  ensureFeishuPluginInstalled,
   ensureWeComPluginInstalled,
 } from '../utils/plugin-install';
 import { updateSkillConfig, getSkillConfig, getAllSkillConfigs } from '../utils/skill-config';
@@ -1496,7 +1497,23 @@ function registerOpenClawHandlers(gatewayManager: GatewayManager): void {
           warning: installResult.warning,
         };
       }
-      // Feishu is a built-in extension since OpenClaw 2026.4.11 — no plugin install needed
+      // QQBot is a built-in channel since OpenClaw 3.31 — no plugin install needed
+      if (channelType === 'feishu') {
+        const installResult = await ensureFeishuPluginInstalled();
+        if (!installResult.installed) {
+          return {
+            success: false,
+            error: installResult.warning || 'Feishu plugin install failed',
+          };
+        }
+        await saveChannelConfig(channelType, config);
+        scheduleGatewayChannelSaveRefresh(channelType, `channel:saveConfig (${channelType})`);
+        return {
+          success: true,
+          pluginInstalled: installResult.installed,
+          warning: installResult.warning,
+        };
+      }
       await saveChannelConfig(channelType, config);
       scheduleGatewayChannelSaveRefresh(channelType, `channel:saveConfig (${channelType})`);
       return { success: true };