diff --git a/extensions/feishu/src/reply-dispatcher.test.ts b/extensions/feishu/src/reply-dispatcher.test.ts
index fb8a1eb554b..c5ae0b93234 100644
--- a/extensions/feishu/src/reply-dispatcher.test.ts
+++ b/extensions/feishu/src/reply-dispatcher.test.ts
@@ -199,6 +199,64 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     };
   }
 
+  function isRecord(value: unknown): value is Record<string, unknown> {
+    return typeof value === "object" && value !== null && !Array.isArray(value);
+  }
+
+  function requireRecord(value: unknown, label: string): Record<string, unknown> {
+    expect(isRecord(value), `${label} must be an object`).toBe(true);
+    return value as Record<string, unknown>;
+  }
+
+  function expectRecordFields(
+    value: unknown,
+    label: string,
+    expected: Record<string, unknown>,
+  ): Record<string, unknown> {
+    const record = requireRecord(value, label);
+    for (const [key, expectedValue] of Object.entries(expected)) {
+      expect(record[key], `${label}.${key}`).toEqual(expectedValue);
+    }
+    return record;
+  }
+
+  function expectMockArgFields(
+    mock: ReturnType<typeof vi.fn>,
+    label: string,
+    expected: Record<string, unknown>,
+    callIndex = 0,
+    argIndex = 0,
+  ): Record<string, unknown> {
+    return expectRecordFields(mock.mock.calls[callIndex]?.[argIndex], label, expected);
+  }
+
+  function expectLastMockArgFields(
+    mock: ReturnType<typeof vi.fn>,
+    label: string,
+    expected: Record<string, unknown>,
+    argIndex = 0,
+  ): Record<string, unknown> {
+    const callIndex = mock.mock.calls.length - 1;
+    return expectMockArgFields(mock, label, expected, callIndex, argIndex);
+  }
+
+  function expectStreamingStartOptions(
+    instanceIndex: number,
+    expected: Record<string, unknown>,
+  ): Record<string, unknown> {
+    const start = streamingInstances[instanceIndex]?.start;
+    expect(start, "streaming instance must exist").toBeDefined();
+    expect(start.mock.calls[0]?.[0]).toBe("oc_chat");
+    expect(start.mock.calls[0]?.[1]).toBe("chat_id");
+    return expectRecordFields(start.mock.calls[0]?.[2], "streaming start options", expected);
+  }
+
+  function streamingUpdateTexts(instanceIndex = 0): string[] {
+    return streamingInstances[instanceIndex].update.mock.calls.map((call: unknown[]) =>
+      typeof call[0] === "string" ? call[0] : "",
+    );
+  }
+
   it("skips typing indicator when account typingIndicator is disabled", async () => {
     resolveFeishuAccountMock.mockReturnValue({
       accountId: "main",
@@ -272,11 +330,9 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     await options.onReplyStart?.();
 
     expect(addTypingIndicatorMock).toHaveBeenCalledTimes(1);
-    expect(addTypingIndicatorMock).toHaveBeenCalledWith(
-      expect.objectContaining({
-        messageId: "om_parent",
-      }),
-    );
+    expectMockArgFields(addTypingIndicatorMock, "typing indicator params", {
+      messageId: "om_parent",
+    });
   });
 
   it("keeps auto mode plain text on non-streaming send path", async () => {
@@ -413,17 +469,13 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
 
     expect(streamingInstances).toHaveLength(1);
     expect(streamingInstances[0].start).toHaveBeenCalledTimes(1);
-    expect(streamingInstances[0].start).toHaveBeenCalledWith(
-      "oc_chat",
-      "chat_id",
-      expect.objectContaining({
-        replyToMessageId: undefined,
-        replyInThread: undefined,
-        rootId: "om_root_topic",
-        header: { title: "agent", template: "blue" },
-        note: "Agent: agent",
-      }),
-    );
+    expectStreamingStartOptions(0, {
+      replyToMessageId: undefined,
+      replyInThread: undefined,
+      rootId: "om_root_topic",
+      header: { title: "agent", template: "blue" },
+      note: "Agent: agent",
+    });
     expect(streamingInstances[0].close).toHaveBeenCalledTimes(1);
     expect(sendMessageFeishuMock).not.toHaveBeenCalled();
     expect(sendMarkdownCardFeishuMock).not.toHaveBeenCalled();
@@ -545,11 +597,9 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     expect(sendMarkdownCardFeishuMock).not.toHaveBeenCalled();
     expect(sendStructuredCardFeishuMock).not.toHaveBeenCalled();
     expect(sendMediaFeishuMock).toHaveBeenCalledTimes(1);
-    expect(sendMediaFeishuMock).toHaveBeenCalledWith(
-      expect.objectContaining({
-        mediaUrl: "https://example.com/a.png",
-      }),
-    );
+    expectMockArgFields(sendMediaFeishuMock, "media send params", {
+      mediaUrl: "https://example.com/a.png",
+    });
   });
 
   it("suppresses duplicate final text while still sending media", async () => {
@@ -561,17 +611,13 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     );
 
     expect(sendMessageFeishuMock).toHaveBeenCalledTimes(1);
-    expect(sendMessageFeishuMock).toHaveBeenLastCalledWith(
-      expect.objectContaining({
-        text: "plain final",
-      }),
-    );
+    expectLastMockArgFields(sendMessageFeishuMock, "message send params", {
+      text: "plain final",
+    });
     expect(sendMediaFeishuMock).toHaveBeenCalledTimes(1);
-    expect(sendMediaFeishuMock).toHaveBeenCalledWith(
-      expect.objectContaining({
-        mediaUrl: "https://example.com/a.png",
-      }),
-    );
+    expectMockArgFields(sendMediaFeishuMock, "media send params", {
+      mediaUrl: "https://example.com/a.png",
+    });
   });
 
   it("keeps distinct non-streaming final payloads", async () => {
@@ -580,13 +626,16 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     await options.deliver({ text: "actual answer body" }, { kind: "final" });
 
     expect(sendMessageFeishuMock).toHaveBeenCalledTimes(2);
-    expect(sendMessageFeishuMock).toHaveBeenNthCalledWith(
+    expectMockArgFields(sendMessageFeishuMock, "first message send params", {
+      text: "notice header",
+    });
+    expectMockArgFields(
+      sendMessageFeishuMock,
+      "second message send params",
+      {
+        text: "actual answer body",
+      },
       1,
-      expect.objectContaining({ text: "notice header" }),
-    );
-    expect(sendMessageFeishuMock).toHaveBeenNthCalledWith(
-      2,
-      expect.objectContaining({ text: "actual answer body" }),
     );
   });
 
@@ -707,12 +756,10 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     await options.deliver({ mediaUrl: "https://example.com/a.png" }, { kind: "final" });
 
     expect(sendMediaFeishuMock).toHaveBeenCalledTimes(1);
-    expect(sendMediaFeishuMock).toHaveBeenCalledWith(
-      expect.objectContaining({
-        to: "oc_chat",
-        mediaUrl: "https://example.com/a.png",
-      }),
-    );
+    expectMockArgFields(sendMediaFeishuMock, "media send params", {
+      to: "oc_chat",
+      mediaUrl: "https://example.com/a.png",
+    });
     expect(sendMessageFeishuMock).not.toHaveBeenCalled();
     expect(sendMarkdownCardFeishuMock).not.toHaveBeenCalled();
   });
@@ -724,12 +771,10 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
       { kind: "final" },
     );
 
-    expect(sendMediaFeishuMock).toHaveBeenCalledWith(
-      expect.objectContaining({
-        mediaUrl: "https://example.com/reply.mp3",
-        audioAsVoice: true,
-      }),
-    );
+    expectMockArgFields(sendMediaFeishuMock, "media send params", {
+      mediaUrl: "https://example.com/reply.mp3",
+      audioAsVoice: true,
+    });
   });
 
   it("suppresses duplicate text when final replies send voice media", async () => {
@@ -746,12 +791,10 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     expect(sendMessageFeishuMock).not.toHaveBeenCalled();
     expect(sendStructuredCardFeishuMock).not.toHaveBeenCalled();
     expect(sendMediaFeishuMock).toHaveBeenCalledTimes(1);
-    expect(sendMediaFeishuMock).toHaveBeenCalledWith(
-      expect.objectContaining({
-        mediaUrl: "https://example.com/reply.mp3",
-        audioAsVoice: true,
-      }),
-    );
+    expectMockArgFields(sendMediaFeishuMock, "media send params", {
+      mediaUrl: "https://example.com/reply.mp3",
+      audioAsVoice: true,
+    });
   });
 
   it("sends skipped voice text when final voice media degrades to a file attachment", async () => {
@@ -771,18 +814,14 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     );
 
     expect(sendMediaFeishuMock).toHaveBeenCalledTimes(1);
-    expect(sendMediaFeishuMock).toHaveBeenCalledWith(
-      expect.objectContaining({
-        mediaUrl: "https://example.com/reply.mp3",
-        audioAsVoice: true,
-      }),
-    );
+    expectMockArgFields(sendMediaFeishuMock, "media send params", {
+      mediaUrl: "https://example.com/reply.mp3",
+      audioAsVoice: true,
+    });
     expect(sendMessageFeishuMock).toHaveBeenCalledTimes(1);
-    expect(sendMessageFeishuMock).toHaveBeenCalledWith(
-      expect.objectContaining({
-        text: "spoken reply",
-      }),
-    );
+    expectMockArgFields(sendMessageFeishuMock, "message send params", {
+      text: "spoken reply",
+    });
   });
 
   it("suppresses duplicate text for native voice media without audioAsVoice", async () => {
@@ -797,11 +836,9 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
 
     expect(sendMessageFeishuMock).not.toHaveBeenCalled();
     expect(sendMediaFeishuMock).toHaveBeenCalledTimes(1);
-    expect(sendMediaFeishuMock).toHaveBeenCalledWith(
-      expect.objectContaining({
-        mediaUrl: "https://example.com/reply.opus?download=1",
-      }),
-    );
+    expectMockArgFields(sendMediaFeishuMock, "media send params", {
+      mediaUrl: "https://example.com/reply.opus?download=1",
+    });
   });
 
   it("preserves captions for regular audio attachments", async () => {
@@ -815,17 +852,13 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     );
 
     expect(sendMessageFeishuMock).toHaveBeenCalledTimes(1);
-    expect(sendMessageFeishuMock).toHaveBeenCalledWith(
-      expect.objectContaining({
-        text: "caption text",
-      }),
-    );
+    expectMockArgFields(sendMessageFeishuMock, "message send params", {
+      text: "caption text",
+    });
     expect(sendMediaFeishuMock).toHaveBeenCalledTimes(1);
-    expect(sendMediaFeishuMock).toHaveBeenCalledWith(
-      expect.objectContaining({
-        mediaUrl: "https://example.com/song.mp3",
-      }),
-    );
+    expectMockArgFields(sendMediaFeishuMock, "media send params", {
+      mediaUrl: "https://example.com/song.mp3",
+    });
   });
 
   it("keeps skipped voice text in the upload failure fallback", async () => {
@@ -842,11 +875,9 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     );
 
     expect(sendMessageFeishuMock).toHaveBeenCalledTimes(1);
-    expect(sendMessageFeishuMock).toHaveBeenCalledWith(
-      expect.objectContaining({
-        text: "spoken reply\n\n📎 https://example.com/reply.mp3",
-      }),
-    );
+    expectMockArgFields(sendMessageFeishuMock, "message send params", {
+      text: "spoken reply\n\n📎 https://example.com/reply.mp3",
+    });
   });
 
   it("falls back to legacy mediaUrl when mediaUrls is an empty array", async () => {
@@ -858,11 +889,9 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
 
     expect(sendMessageFeishuMock).toHaveBeenCalledTimes(1);
     expect(sendMediaFeishuMock).toHaveBeenCalledTimes(1);
-    expect(sendMediaFeishuMock).toHaveBeenCalledWith(
-      expect.objectContaining({
-        mediaUrl: "https://example.com/a.png",
-      }),
-    );
+    expectMockArgFields(sendMediaFeishuMock, "media send params", {
+      mediaUrl: "https://example.com/a.png",
+    });
   });
 
   it("sends attachments after streaming final markdown replies", async () => {
@@ -879,11 +908,9 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     expect(streamingInstances[0].start).toHaveBeenCalledTimes(1);
     expect(streamingInstances[0].close).toHaveBeenCalledTimes(1);
     expect(sendMediaFeishuMock).toHaveBeenCalledTimes(1);
-    expect(sendMediaFeishuMock).toHaveBeenCalledWith(
-      expect.objectContaining({
-        mediaUrl: "https://example.com/a.png",
-      }),
-    );
+    expectMockArgFields(sendMediaFeishuMock, "media send params", {
+      mediaUrl: "https://example.com/a.png",
+    });
   });
 
   it("passes replyInThread to sendMessageFeishu for plain text", async () => {
@@ -893,12 +920,10 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     });
     await options.deliver({ text: "plain text" }, { kind: "final" });
 
-    expect(sendMessageFeishuMock).toHaveBeenCalledWith(
-      expect.objectContaining({
-        replyToMessageId: "om_msg",
-        replyInThread: true,
-      }),
-    );
+    expectMockArgFields(sendMessageFeishuMock, "message send params", {
+      replyToMessageId: "om_msg",
+      replyInThread: true,
+    });
   });
 
   it("passes replyInThread to sendStructuredCardFeishu for card text", async () => {
@@ -919,12 +944,10 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     });
     await options.deliver({ text: "card text" }, { kind: "final" });
 
-    expect(sendStructuredCardFeishuMock).toHaveBeenCalledWith(
-      expect.objectContaining({
-        replyToMessageId: "om_msg",
-        replyInThread: true,
-      }),
-    );
+    expectMockArgFields(sendStructuredCardFeishuMock, "structured card params", {
+      replyToMessageId: "om_msg",
+      replyInThread: true,
+    });
   });
 
   it("streams reasoning content as blockquote before answer", async () => {
@@ -1074,16 +1097,12 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     await options.deliver({ text: "```ts\nconst x = 1\n```" }, { kind: "final" });
 
     expect(streamingInstances).toHaveLength(1);
-    expect(streamingInstances[0].start).toHaveBeenCalledWith(
-      "oc_chat",
-      "chat_id",
-      expect.objectContaining({
-        replyToMessageId: "om_msg",
-        replyInThread: true,
-        header: { title: "agent", template: "blue" },
-        note: "Agent: agent",
-      }),
-    );
+    expectStreamingStartOptions(0, {
+      replyToMessageId: "om_msg",
+      replyInThread: true,
+      header: { title: "agent", template: "blue" },
+      note: "Agent: agent",
+    });
   });
 
   it("uses streaming cards for thread replies and keeps topic metadata", async () => {
@@ -1097,15 +1116,11 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     await options.deliver({ text: "```ts\nconst x = 1\n```" }, { kind: "final" });
 
     expect(streamingInstances).toHaveLength(1);
-    expect(streamingInstances[0].start).toHaveBeenCalledWith(
-      "oc_chat",
-      "chat_id",
-      expect.objectContaining({
-        replyToMessageId: "om_msg",
-        replyInThread: true,
-        rootId: "om_root_topic",
-      }),
-    );
+    expectStreamingStartOptions(0, {
+      replyToMessageId: "om_msg",
+      replyInThread: true,
+      rootId: "om_root_topic",
+    });
     expect(sendStructuredCardFeishuMock).not.toHaveBeenCalled();
   });
 
@@ -1128,13 +1143,9 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     await options.deliver({ text: "streamed card" }, { kind: "final" });
     await options.onIdle?.();
 
-    expect(streamingInstances[0].start).toHaveBeenCalledWith(
-      "oc_chat",
-      "chat_id",
-      expect.objectContaining({
-        header: undefined,
-      }),
-    );
+    expectStreamingStartOptions(0, {
+      header: undefined,
+    });
 
     resolveFeishuAccountMock.mockReturnValue({
       accountId: "main",
@@ -1153,11 +1164,9 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     });
     await staticOptions.deliver({ text: "static card" }, { kind: "final" });
 
-    expect(sendStructuredCardFeishuMock).toHaveBeenCalledWith(
-      expect.objectContaining({
-        header: undefined,
-      }),
-    );
+    expectLastMockArgFields(sendStructuredCardFeishuMock, "structured card params", {
+      header: undefined,
+    });
   });
 
   it("shows shared transient tool status on streaming cards but omits it from the final close", async () => {
@@ -1180,10 +1189,8 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     result.replyOptions.onPartialReply?.({ text: "final answer" });
     await options.onIdle?.();
 
-    const updateTexts = streamingInstances[0].update.mock.calls.map((call: unknown[]) =>
-      typeof call[0] === "string" ? call[0] : "",
-    );
-    expect(updateTexts).toEqual(expect.arrayContaining([expect.stringContaining("🔎 Web Search")]));
+    const updateTexts = streamingUpdateTexts();
+    expect(updateTexts.some((text) => text.includes("🔎 Web Search"))).toBe(true);
     expect(streamingInstances[0].close).toHaveBeenCalledWith("final answer", {
       note: "Agent: agent",
     });
@@ -1213,14 +1220,10 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     result.replyOptions.onPartialReply?.({ text: "final answer" });
     await options.onIdle?.();
 
-    const updateTexts = streamingInstances[0].update.mock.calls.map((call: unknown[]) =>
-      typeof call[0] === "string" ? call[0] : "",
-    );
-    expect(updateTexts).toEqual(
-      expect.arrayContaining([
-        expect.stringContaining("🛠️ run tests, `pnpm test -- --watch=false`"),
-      ]),
-    );
+    const updateTexts = streamingUpdateTexts();
+    expect(
+      updateTexts.some((text) => text.includes("🛠️ run tests, `pnpm test -- --watch=false`")),
+    ).toBe(true);
   });
 
   it("omits message-like tools from streaming card status", async () => {
@@ -1243,10 +1246,8 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     result.replyOptions.onPartialReply?.({ text: "final answer" });
     await options.onIdle?.();
 
-    const updateTexts = streamingInstances[0].update.mock.calls.map((call: unknown[]) =>
-      typeof call[0] === "string" ? call[0] : "",
-    );
-    expect(updateTexts).not.toEqual(expect.arrayContaining([expect.stringContaining("Message")]));
+    const updateTexts = streamingUpdateTexts();
+    expect(updateTexts.some((text) => text.includes("Message"))).toBe(false);
   });
 
   it("does not suppress a later final after error closeout", async () => {
@@ -1366,12 +1367,10 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
     });
     await options.deliver({ mediaUrl: "https://example.com/a.png" }, { kind: "final" });
 
-    expect(sendMediaFeishuMock).toHaveBeenCalledWith(
-      expect.objectContaining({
-        replyToMessageId: "om_msg",
-        replyInThread: true,
-      }),
-    );
+    expectMockArgFields(sendMediaFeishuMock, "media send params", {
+      replyToMessageId: "om_msg",
+      replyInThread: true,
+    });
   });
 
   it("backs off streaming retries after start() throws (HTTP 400)", async () => {
@@ -1406,7 +1405,12 @@ describe("createFeishuReplyDispatcher streaming behavior", () => {
 
       // Wait for the async error to propagate
       await vi.waitFor(() => {
-        expect(errorMock).toHaveBeenCalledWith(expect.stringContaining("streaming start failed"));
+        expect(
+          errorMock.mock.calls.some(
+            ([message]) =>
+              typeof message === "string" && message.includes("streaming start failed"),
+          ),
+        ).toBe(true);
       });
       expect(streamingInstances).toHaveLength(1);
       expect(sendStructuredCardFeishuMock).toHaveBeenCalledTimes(1);