diff --git a/src/auto-reply/reply.media-note.test.ts b/src/auto-reply/reply.media-note.test.ts
new file mode 100644
index 000000000..fd2133b9e
--- /dev/null
+++ b/src/auto-reply/reply.media-note.test.ts
@@ -0,0 +1,93 @@
+import fs from "node:fs/promises";
+import os from "node:os";
+import path from "node:path";
+
+import { describe, expect, it, vi } from "vitest";
+
+import { runEmbeddedPiAgent } from "../agents/pi-embedded.js";
+import { getReplyFromConfig } from "./reply.js";
+
+vi.mock("../agents/pi-embedded.js", () => ({
+  abortEmbeddedPiRun: vi.fn().mockReturnValue(false),
+  runEmbeddedPiAgent: vi.fn(),
+  queueEmbeddedPiMessage: vi.fn().mockReturnValue(false),
+  resolveEmbeddedSessionLane: (key: string) => `session:${key.trim() || "main"}`,
+  isEmbeddedPiRunActive: vi.fn().mockReturnValue(false),
+  isEmbeddedPiRunStreaming: vi.fn().mockReturnValue(false),
+}));
+
+function makeResult(text: string) {
+  return {
+    payloads: [{ text }],
+    meta: {
+      durationMs: 5,
+      agentMeta: { sessionId: "s", provider: "p", model: "m" },
+    },
+  };
+}
+
+async function withTempHome<T>(fn: (home: string) => Promise<T>): Promise<T> {
+  const base = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-media-note-"));
+  const previousHome = process.env.HOME;
+  process.env.HOME = base;
+  try {
+    vi.mocked(runEmbeddedPiAgent).mockReset();
+    return await fn(base);
+  } finally {
+    process.env.HOME = previousHome;
+    try {
+      await fs.rm(base, { recursive: true, force: true });
+    } catch {
+      // ignore cleanup failures in tests
+    }
+  }
+}
+
+function makeCfg(home: string) {
+  return {
+    agent: {
+      model: "anthropic/claude-opus-4-5",
+      workspace: path.join(home, "clawd"),
+    },
+    whatsapp: { allowFrom: ["*"] },
+    session: { store: path.join(home, "sessions.json") },
+  };
+}
+
+describe("getReplyFromConfig media note plumbing", () => {
+  it("includes all MediaPaths in the agent prompt", async () => {
+    await withTempHome(async (home) => {
+      let seenPrompt: string | undefined;
+      vi.mocked(runEmbeddedPiAgent).mockImplementation(async (params) => {
+        seenPrompt = params.prompt;
+        return makeResult("ok");
+      });
+
+      const cfg = makeCfg(home);
+      const res = await getReplyFromConfig(
+        {
+          Body: "hello",
+          From: "+1001",
+          To: "+2000",
+          MediaPaths: ["/tmp/a.png", "/tmp/b.png"],
+          MediaUrls: ["/tmp/a.png", "/tmp/b.png"],
+        },
+        {},
+        cfg,
+      );
+
+      const text = Array.isArray(res) ? res[0]?.text : res?.text;
+      expect(text).toBe("ok");
+      expect(seenPrompt).toBeTruthy();
+      expect(seenPrompt).toContain("[media attached: 2 files]");
+      const idxA = seenPrompt?.indexOf("[media attached 1/2: /tmp/a.png");
+      const idxB = seenPrompt?.indexOf("[media attached 2/2: /tmp/b.png");
+      expect(typeof idxA).toBe("number");
+      expect(typeof idxB).toBe("number");
+      expect((idxA ?? -1) >= 0).toBe(true);
+      expect((idxB ?? -1) >= 0).toBe(true);
+      expect((idxA ?? 0) < (idxB ?? 0)).toBe(true);
+    });
+  });
+});
+