fix: allow agent workspace directories in media local roots (#17136)

Merged via /review-pr -> /prepare-pr -> /merge-pr.

Prepared head SHA: 7545ef1e19
Co-authored-by: MisterGuy420 <255743668+MisterGuy420@users.noreply.github.com>
Co-authored-by: gumadeiras <5599352+gumadeiras@users.noreply.github.com>
Reviewed-by: @gumadeiras

src/web/auto-reply/deliver-reply.test.ts

@@ -85,6 +85,7 @@ describe("deliverWebReply", () => {
 
   it("sends image media with caption and then remaining text", async () => {
     const msg = makeMsg();
+    const mediaLocalRoots = ["/tmp/workspace-work"];
     (
       loadWebMedia as unknown as { mockResolvedValueOnce: (v: unknown) => void }
     ).mockResolvedValueOnce({
@@ -96,12 +97,18 @@ describe("deliverWebReply", () => {
     await deliverWebReply({
       replyResult: { text: "aaaaaa", mediaUrl: "http://example.com/img.jpg" },
       msg,
+      mediaLocalRoots,
       maxMediaBytes: 1024 * 1024,
       textLimit: 3,
       replyLogger,
       skipLog: true,
     });
 
+    expect(loadWebMedia).toHaveBeenCalledWith("http://example.com/img.jpg", {
+      maxBytes: 1024 * 1024,
+      localRoots: mediaLocalRoots,
+    });
+
     expect(msg.sendMedia).toHaveBeenCalledWith(
       expect.objectContaining({
         image: expect.any(Buffer),