fix(feishu): parse code blocks and share_chat messages (openclaw#28591) thanks @kevinWangSheng

Verified:
- pnpm install --frozen-lockfile
- pnpm build
- pnpm check
- pnpm test:macmini

Co-authored-by: kevinWangSheng <118158941+kevinWangSheng@users.noreply.github.com>
Co-authored-by: Tak Hoffman <781889+Takhoffman@users.noreply.github.com>

extensions/feishu/src/bot.checkBotMentioned.test.ts

@@ -36,6 +36,20 @@ function makePostEvent(content: unknown) {
   };
 }
 
+function makeShareChatEvent(content: unknown) {
+  return {
+    sender: { sender_id: { user_id: "u1", open_id: "ou_sender" } },
+    message: {
+      message_id: "msg_1",
+      chat_id: "oc_chat1",
+      chat_type: "group",
+      message_type: "share_chat",
+      content: JSON.stringify(content),
+      mentions: [],
+    },
+  };
+}
+
 describe("parseFeishuMessageEvent – mentionedBot", () => {
   const BOT_OPEN_ID = "ou_bot_123";
 
@@ -127,4 +141,36 @@ describe("parseFeishuMessageEvent – mentionedBot", () => {
     const ctx = parseFeishuMessageEvent(event as any, "ou_bot_123");
     expect(ctx.mentionedBot).toBe(false);
   });
+
+  it("preserves post code and code_block content", () => {
+    const event = makePostEvent({
+      content: [
+        [
+          { tag: "text", text: "before " },
+          { tag: "code", text: "inline()" },
+        ],
+        [{ tag: "code_block", language: "ts", text: "const x = 1;" }],
+      ],
+    });
+    const ctx = parseFeishuMessageEvent(event as any, "ou_bot_123");
+    expect(ctx.content).toContain("before `inline()`");
+    expect(ctx.content).toContain("```ts\nconst x = 1;\n```");
+  });
+
+  it("uses share_chat body when available", () => {
+    const event = makeShareChatEvent({
+      body: "Merged and Forwarded Message",
+      share_chat_id: "sc_abc123",
+    });
+    const ctx = parseFeishuMessageEvent(event as any, "ou_bot_123");
+    expect(ctx.content).toBe("Merged and Forwarded Message");
+  });
+
+  it("falls back to share_chat identifier when body is unavailable", () => {
+    const event = makeShareChatEvent({
+      share_chat_id: "sc_abc123",
+    });
+    const ctx = parseFeishuMessageEvent(event as any, "ou_bot_123");
+    expect(ctx.content).toBe("[Forwarded message: sc_abc123]");
+  });
 });