fix: let agents download Feishu message resources

hub/test/integration/trigger.test.ts

@@ -1,4 +1,4 @@
-import { mkdtemp, rm } from "node:fs/promises";
+import { mkdtemp, rm, writeFile } from "node:fs/promises";
 import { tmpdir } from "node:os";
 import { join } from "node:path";
 import { describe, it, expect, beforeEach, afterEach, afterAll, vi } from "vitest";
@@ -153,6 +153,61 @@ describe("trigger full lifecycle (integration)", () => {
     expect(run.costSource).toBe("provider_reported");
   });
 
+  it("includes downloaded post image paths in the agent prompt", async () => {
+    const workspaceDir = await tempWorkspaceRoot();
+    await seedProject("proj-post-image", "chat-post-image");
+    await prisma.project.update({
+      where: { id: "proj-post-image" },
+      data: { workspaceDir },
+    });
+    let downloadedPath: string | undefined;
+    const messageResourceGet = vi.fn(async () => ({
+      writeFile: async (filePath: string) => {
+        downloadedPath = filePath;
+        await writeFile(filePath, "image bytes");
+      },
+    }));
+    const imV1 = (rt.client as unknown as {
+      im: { v1: { messageResource?: { get: typeof messageResourceGet } } };
+    }).im.v1;
+    imV1.messageResource = { get: messageResourceGet };
+    const baseEvent = makeEvent("chat-post-image", "@_user_1 看看这张图");
+    const event: MessageReceiveEvent = {
+      ...baseEvent,
+      message: {
+        ...baseEvent.message,
+        message_type: "post",
+        content: JSON.stringify({
+          zh_cn: {
+            content: [[
+              { tag: "text", text: "@_user_1 看看这张图" },
+              { tag: "img", image_key: "img-key-1" },
+            ]],
+          },
+        }),
+      },
+    };
+    const trigger = makeTriggerHandler({
+      prisma,
+      settings,
+      logger: silentLogger,
+      runAgent,
+      messageBatcherOptions: { maxMessages: 1 },
+    });
+
+    await trigger(event, rt);
+
+    await vi.waitFor(() => {
+      expect(runAgentCalls).toHaveLength(1);
+    });
+    expect(downloadedPath).toBeDefined();
+    expect(runAgentCalls[0]?.prompt).toContain(downloadedPath);
+    expect(messageResourceGet).toHaveBeenCalledWith({
+      params: { type: "image" },
+      path: { message_id: event.message.message_id, file_key: "img-key-1" },
+    });
+  });
+
   it("sends an onboarding card when an unbound chat mentions the bot", async () => {
     await seedOnboardingUser("u-onboard-card", "ou_onboard_card", "MEMBER");
     const trigger = makeTriggerHandler({