feat(channels): share line and zalo binary attachments via minio

src/channels/line/adapter.test.ts

@@ -104,6 +104,48 @@ describe('LineAdapter', () => {
     warnSpy.mockRestore();
   });
 
+  it('uploads binary attachments to MinIO and sends share URL when configured', async () => {
+    const warnSpy = vi.spyOn(console, 'warn').mockImplementation(() => {});
+    const adapter = new LineAdapter({
+      channelAccessToken: 'token',
+      channelSecret: 'secret',
+      minio: {
+        enabled: true,
+        endpoint: 'localhost:9000',
+        accessKey: 'minio',
+        secretKey: 'secret',
+        bucket: 'flynn',
+        prefix: 'channels/line',
+        secure: false,
+      },
+      minioExecRunner: vi.fn(async (_file, args) => {
+        if (args[0] === 'share') {
+          return { stdout: '{"share":"https://minio.local/share/file.png"}\n', stderr: '' };
+        }
+        return { stdout: '', stderr: '' };
+      }),
+    });
+    await adapter.connect();
+    mockFetch.mockResolvedValue({
+      ok: true,
+      status: 200,
+      text: async () => '',
+    } as Response);
+
+    await adapter.send('U123', {
+      text: '',
+      attachments: [
+        { mimeType: 'image/png', data: 'aGVsbG8=', filename: 'file.png' },
+      ],
+    });
+
+    expect(mockFetch).toHaveBeenCalledTimes(1);
+    const body = JSON.parse(String(mockFetch.mock.calls[0]?.[1]?.body ?? '{}'));
+    expect(body.messages?.[0]?.text).toBe('file.png: https://minio.local/share/file.png');
+    expect(warnSpy).not.toHaveBeenCalled();
+    warnSpy.mockRestore();
+  });
+
   it('send delivers URL attachment even when text is empty', async () => {
     const adapter = new LineAdapter({
       channelAccessToken: 'token',