diff --git a/src/web/auto-reply.broadcast-groups.broadcasts-sequentially-configured-order.test.ts b/src/web/auto-reply.broadcast-groups.broadcasts-sequentially-configured-order.test.ts
index ef31491da0..da2bc0f6d2 100644
--- a/src/web/auto-reply.broadcast-groups.broadcasts-sequentially-configured-order.test.ts
+++ b/src/web/auto-reply.broadcast-groups.broadcasts-sequentially-configured-order.test.ts
@@ -1,98 +1,19 @@
 import "./test-helpers.js";
-import fs from "node:fs/promises";
-import os from "node:os";
-import path from "node:path";
-import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
-
-vi.mock("../agents/pi-embedded.js", () => ({
-  abortEmbeddedPiRun: vi.fn().mockReturnValue(false),
-  isEmbeddedPiRunActive: vi.fn().mockReturnValue(false),
-  isEmbeddedPiRunStreaming: vi.fn().mockReturnValue(false),
-  runEmbeddedPiAgent: vi.fn(),
-  queueEmbeddedPiMessage: vi.fn().mockReturnValue(false),
-  resolveEmbeddedSessionLane: (key: string) => `session:${key.trim() || "main"}`,
-}));
-
+import { describe, expect, it, vi } from "vitest";
 import type { OpenClawConfig } from "../config/config.js";
-import { resetInboundDedupe } from "../auto-reply/reply/inbound-dedupe.js";
 import { monitorWebChannel } from "./auto-reply.js";
-import { resetLoadConfigMock, setLoadConfigMock } from "./test-helpers.js";
+import {
+  installWebAutoReplyTestHomeHooks,
+  installWebAutoReplyUnitTestHooks,
+  resetLoadConfigMock,
+  setLoadConfigMock,
+} from "./auto-reply.test-harness.js";
 
-let previousHome: string | undefined;
-let tempHome: string | undefined;
-
-const rmDirWithRetries = async (dir: string): Promise<void> => {
-  // Some tests can leave async session-store writes in-flight; recursive deletion can race and throw ENOTEMPTY.
-  for (let attempt = 0; attempt < 10; attempt += 1) {
-    try {
-      await fs.rm(dir, { recursive: true, force: true });
-      return;
-    } catch (err) {
-      const code =
-        err && typeof err === "object" && "code" in err
-          ? String((err as { code?: unknown }).code)
-          : null;
-      if (code === "ENOTEMPTY" || code === "EBUSY" || code === "EPERM") {
-        await new Promise((resolve) => setTimeout(resolve, 5));
-        continue;
-      }
-      throw err;
-    }
-  }
-
-  await fs.rm(dir, { recursive: true, force: true });
-};
-
-beforeEach(async () => {
-  resetInboundDedupe();
-  previousHome = process.env.HOME;
-  tempHome = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-web-home-"));
-  process.env.HOME = tempHome;
-});
-
-afterEach(async () => {
-  process.env.HOME = previousHome;
-  if (tempHome) {
-    await rmDirWithRetries(tempHome);
-    tempHome = undefined;
-  }
-});
-
-const _makeSessionStore = async (
-  entries: Record<string, unknown> = {},
-): Promise<{ storePath: string; cleanup: () => Promise<void> }> => {
-  const dir = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-session-"));
-  const storePath = path.join(dir, "sessions.json");
-  await fs.writeFile(storePath, JSON.stringify(entries));
-  const cleanup = async () => {
-    // Session store writes can be in-flight when the test finishes (e.g. updateLastRoute
-    // after a message flush). `fs.rm({ recursive })` can race and throw ENOTEMPTY.
-    for (let attempt = 0; attempt < 10; attempt += 1) {
-      try {
-        await fs.rm(dir, { recursive: true, force: true });
-        return;
-      } catch (err) {
-        const code =
-          err && typeof err === "object" && "code" in err
-            ? String((err as { code?: unknown }).code)
-            : null;
-        if (code === "ENOTEMPTY" || code === "EBUSY" || code === "EPERM") {
-          await new Promise((resolve) => setTimeout(resolve, 5));
-          continue;
-        }
-        throw err;
-      }
-    }
-
-    await fs.rm(dir, { recursive: true, force: true });
-  };
-  return {
-    storePath,
-    cleanup,
-  };
-};
+installWebAutoReplyTestHomeHooks();
 
 describe("broadcast groups", () => {
+  installWebAutoReplyUnitTestHooks();
+
   it("broadcasts sequentially in configured order", async () => {
     setLoadConfigMock({
       channels: { whatsapp: { allowFrom: ["*"] } },
diff --git a/src/web/auto-reply.broadcast-groups.skips-unknown-broadcast-agent-ids-agents-list.test.ts b/src/web/auto-reply.broadcast-groups.skips-unknown-broadcast-agent-ids-agents-list.test.ts
index 75e77272d8..5abe523cf5 100644
--- a/src/web/auto-reply.broadcast-groups.skips-unknown-broadcast-agent-ids-agents-list.test.ts
+++ b/src/web/auto-reply.broadcast-groups.skips-unknown-broadcast-agent-ids-agents-list.test.ts
@@ -1,98 +1,19 @@
 import "./test-helpers.js";
-import fs from "node:fs/promises";
-import os from "node:os";
-import path from "node:path";
-import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
-
-vi.mock("../agents/pi-embedded.js", () => ({
-  abortEmbeddedPiRun: vi.fn().mockReturnValue(false),
-  isEmbeddedPiRunActive: vi.fn().mockReturnValue(false),
-  isEmbeddedPiRunStreaming: vi.fn().mockReturnValue(false),
-  runEmbeddedPiAgent: vi.fn(),
-  queueEmbeddedPiMessage: vi.fn().mockReturnValue(false),
-  resolveEmbeddedSessionLane: (key: string) => `session:${key.trim() || "main"}`,
-}));
-
+import { describe, expect, it, vi } from "vitest";
 import type { OpenClawConfig } from "../config/config.js";
-import { resetInboundDedupe } from "../auto-reply/reply/inbound-dedupe.js";
 import { monitorWebChannel } from "./auto-reply.js";
-import { resetLoadConfigMock, setLoadConfigMock } from "./test-helpers.js";
+import {
+  installWebAutoReplyTestHomeHooks,
+  installWebAutoReplyUnitTestHooks,
+  resetLoadConfigMock,
+  setLoadConfigMock,
+} from "./auto-reply.test-harness.js";
 
-let previousHome: string | undefined;
-let tempHome: string | undefined;
-
-const rmDirWithRetries = async (dir: string): Promise<void> => {
-  // Some tests can leave async session-store writes in-flight; recursive deletion can race and throw ENOTEMPTY.
-  for (let attempt = 0; attempt < 10; attempt += 1) {
-    try {
-      await fs.rm(dir, { recursive: true, force: true });
-      return;
-    } catch (err) {
-      const code =
-        err && typeof err === "object" && "code" in err
-          ? String((err as { code?: unknown }).code)
-          : null;
-      if (code === "ENOTEMPTY" || code === "EBUSY" || code === "EPERM") {
-        await new Promise((resolve) => setTimeout(resolve, 5));
-        continue;
-      }
-      throw err;
-    }
-  }
-
-  await fs.rm(dir, { recursive: true, force: true });
-};
-
-beforeEach(async () => {
-  resetInboundDedupe();
-  previousHome = process.env.HOME;
-  tempHome = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-web-home-"));
-  process.env.HOME = tempHome;
-});
-
-afterEach(async () => {
-  process.env.HOME = previousHome;
-  if (tempHome) {
-    await rmDirWithRetries(tempHome);
-    tempHome = undefined;
-  }
-});
-
-const _makeSessionStore = async (
-  entries: Record<string, unknown> = {},
-): Promise<{ storePath: string; cleanup: () => Promise<void> }> => {
-  const dir = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-session-"));
-  const storePath = path.join(dir, "sessions.json");
-  await fs.writeFile(storePath, JSON.stringify(entries));
-  const cleanup = async () => {
-    // Session store writes can be in-flight when the test finishes (e.g. updateLastRoute
-    // after a message flush). `fs.rm({ recursive })` can race and throw ENOTEMPTY.
-    for (let attempt = 0; attempt < 10; attempt += 1) {
-      try {
-        await fs.rm(dir, { recursive: true, force: true });
-        return;
-      } catch (err) {
-        const code =
-          err && typeof err === "object" && "code" in err
-            ? String((err as { code?: unknown }).code)
-            : null;
-        if (code === "ENOTEMPTY" || code === "EBUSY" || code === "EPERM") {
-          await new Promise((resolve) => setTimeout(resolve, 5));
-          continue;
-        }
-        throw err;
-      }
-    }
-
-    await fs.rm(dir, { recursive: true, force: true });
-  };
-  return {
-    storePath,
-    cleanup,
-  };
-};
+installWebAutoReplyTestHomeHooks();
 
 describe("broadcast groups", () => {
+  installWebAutoReplyUnitTestHooks();
+
   it("skips unknown broadcast agent ids when agents.list is present", async () => {
     setLoadConfigMock({
       channels: { whatsapp: { allowFrom: ["*"] } },
diff --git a/src/web/auto-reply.typing-controller-idle.test.ts b/src/web/auto-reply.typing-controller-idle.test.ts
index 52cce40c96..4180420ee3 100644
--- a/src/web/auto-reply.typing-controller-idle.test.ts
+++ b/src/web/auto-reply.typing-controller-idle.test.ts
@@ -1,98 +1,19 @@
 import "./test-helpers.js";
-import fs from "node:fs/promises";
-import os from "node:os";
-import path from "node:path";
-import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
-
-vi.mock("../agents/pi-embedded.js", () => ({
-  abortEmbeddedPiRun: vi.fn().mockReturnValue(false),
-  isEmbeddedPiRunActive: vi.fn().mockReturnValue(false),
-  isEmbeddedPiRunStreaming: vi.fn().mockReturnValue(false),
-  runEmbeddedPiAgent: vi.fn(),
-  queueEmbeddedPiMessage: vi.fn().mockReturnValue(false),
-  resolveEmbeddedSessionLane: (key: string) => `session:${key.trim() || "main"}`,
-}));
-
+import { describe, expect, it, vi } from "vitest";
 import type { OpenClawConfig } from "../config/config.js";
-import { resetInboundDedupe } from "../auto-reply/reply/inbound-dedupe.js";
 import { monitorWebChannel } from "./auto-reply.js";
-import { resetLoadConfigMock, setLoadConfigMock } from "./test-helpers.js";
+import {
+  installWebAutoReplyTestHomeHooks,
+  installWebAutoReplyUnitTestHooks,
+  resetLoadConfigMock,
+  setLoadConfigMock,
+} from "./auto-reply.test-harness.js";
 
-let previousHome: string | undefined;
-let tempHome: string | undefined;
-
-const rmDirWithRetries = async (dir: string): Promise<void> => {
-  // Some tests can leave async session-store writes in-flight; recursive deletion can race and throw ENOTEMPTY.
-  for (let attempt = 0; attempt < 10; attempt += 1) {
-    try {
-      await fs.rm(dir, { recursive: true, force: true });
-      return;
-    } catch (err) {
-      const code =
-        err && typeof err === "object" && "code" in err
-          ? String((err as { code?: unknown }).code)
-          : null;
-      if (code === "ENOTEMPTY" || code === "EBUSY" || code === "EPERM") {
-        await new Promise((resolve) => setTimeout(resolve, 5));
-        continue;
-      }
-      throw err;
-    }
-  }
-
-  await fs.rm(dir, { recursive: true, force: true });
-};
-
-beforeEach(async () => {
-  resetInboundDedupe();
-  previousHome = process.env.HOME;
-  tempHome = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-web-home-"));
-  process.env.HOME = tempHome;
-});
-
-afterEach(async () => {
-  process.env.HOME = previousHome;
-  if (tempHome) {
-    await rmDirWithRetries(tempHome);
-    tempHome = undefined;
-  }
-});
-
-const _makeSessionStore = async (
-  entries: Record<string, unknown> = {},
-): Promise<{ storePath: string; cleanup: () => Promise<void> }> => {
-  const dir = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-session-"));
-  const storePath = path.join(dir, "sessions.json");
-  await fs.writeFile(storePath, JSON.stringify(entries));
-  const cleanup = async () => {
-    // Session store writes can be in-flight when the test finishes (e.g. updateLastRoute
-    // after a message flush). `fs.rm({ recursive })` can race and throw ENOTEMPTY.
-    for (let attempt = 0; attempt < 10; attempt += 1) {
-      try {
-        await fs.rm(dir, { recursive: true, force: true });
-        return;
-      } catch (err) {
-        const code =
-          err && typeof err === "object" && "code" in err
-            ? String((err as { code?: unknown }).code)
-            : null;
-        if (code === "ENOTEMPTY" || code === "EBUSY" || code === "EPERM") {
-          await new Promise((resolve) => setTimeout(resolve, 5));
-          continue;
-        }
-        throw err;
-      }
-    }
-
-    await fs.rm(dir, { recursive: true, force: true });
-  };
-  return {
-    storePath,
-    cleanup,
-  };
-};
+installWebAutoReplyTestHomeHooks();
 
 describe("typing controller idle", () => {
+  installWebAutoReplyUnitTestHooks();
+
   it("marks dispatch idle after replies flush", async () => {
     const markDispatchIdle = vi.fn();
     const typingMock = {
diff --git a/src/web/auto-reply.web-auto-reply.prefixes-body-same-phone-marker-from.test.ts b/src/web/auto-reply.web-auto-reply.prefixes-body-same-phone-marker-from.test.ts
index 5fbb76fe60..b93cda1494 100644
--- a/src/web/auto-reply.web-auto-reply.prefixes-body-same-phone-marker-from.test.ts
+++ b/src/web/auto-reply.web-auto-reply.prefixes-body-same-phone-marker-from.test.ts
@@ -1,109 +1,17 @@
 import "./test-helpers.js";
-import fs from "node:fs/promises";
-import os from "node:os";
-import path from "node:path";
-import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
-
-vi.mock("../agents/pi-embedded.js", () => ({
-  abortEmbeddedPiRun: vi.fn().mockReturnValue(false),
-  isEmbeddedPiRunActive: vi.fn().mockReturnValue(false),
-  isEmbeddedPiRunStreaming: vi.fn().mockReturnValue(false),
-  runEmbeddedPiAgent: vi.fn(),
-  queueEmbeddedPiMessage: vi.fn().mockReturnValue(false),
-  resolveEmbeddedSessionLane: (key: string) => `session:${key.trim() || "main"}`,
-}));
-
-import { resetInboundDedupe } from "../auto-reply/reply/inbound-dedupe.js";
-import { resetLogger, setLoggerOverride } from "../logging.js";
+import { describe, expect, it, vi } from "vitest";
 import { HEARTBEAT_TOKEN, monitorWebChannel } from "./auto-reply.js";
-import { resetBaileysMocks, resetLoadConfigMock, setLoadConfigMock } from "./test-helpers.js";
+import {
+  installWebAutoReplyTestHomeHooks,
+  installWebAutoReplyUnitTestHooks,
+  resetLoadConfigMock,
+  setLoadConfigMock,
+} from "./auto-reply.test-harness.js";
 
-let previousHome: string | undefined;
-let tempHome: string | undefined;
-
-const rmDirWithRetries = async (dir: string): Promise<void> => {
-  // Some tests can leave async session-store writes in-flight; recursive deletion can race and throw ENOTEMPTY.
-  for (let attempt = 0; attempt < 10; attempt += 1) {
-    try {
-      await fs.rm(dir, { recursive: true, force: true });
-      return;
-    } catch (err) {
-      const code =
-        err && typeof err === "object" && "code" in err
-          ? String((err as { code?: unknown }).code)
-          : null;
-      if (code === "ENOTEMPTY" || code === "EBUSY" || code === "EPERM") {
-        await new Promise((resolve) => setTimeout(resolve, 5));
-        continue;
-      }
-      throw err;
-    }
-  }
-
-  await fs.rm(dir, { recursive: true, force: true });
-};
-
-beforeEach(async () => {
-  resetInboundDedupe();
-  previousHome = process.env.HOME;
-  tempHome = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-web-home-"));
-  process.env.HOME = tempHome;
-});
-
-afterEach(async () => {
-  process.env.HOME = previousHome;
-  if (tempHome) {
-    await rmDirWithRetries(tempHome);
-    tempHome = undefined;
-  }
-});
-
-const _makeSessionStore = async (
-  entries: Record<string, unknown> = {},
-): Promise<{ storePath: string; cleanup: () => Promise<void> }> => {
-  const dir = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-session-"));
-  const storePath = path.join(dir, "sessions.json");
-  await fs.writeFile(storePath, JSON.stringify(entries));
-  const cleanup = async () => {
-    // Session store writes can be in-flight when the test finishes (e.g. updateLastRoute
-    // after a message flush). `fs.rm({ recursive })` can race and throw ENOTEMPTY.
-    for (let attempt = 0; attempt < 10; attempt += 1) {
-      try {
-        await fs.rm(dir, { recursive: true, force: true });
-        return;
-      } catch (err) {
-        const code =
-          err && typeof err === "object" && "code" in err
-            ? String((err as { code?: unknown }).code)
-            : null;
-        if (code === "ENOTEMPTY" || code === "EBUSY" || code === "EPERM") {
-          await new Promise((resolve) => setTimeout(resolve, 5));
-          continue;
-        }
-        throw err;
-      }
-    }
-
-    await fs.rm(dir, { recursive: true, force: true });
-  };
-  return {
-    storePath,
-    cleanup,
-  };
-};
+installWebAutoReplyTestHomeHooks();
 
 describe("web auto-reply", () => {
-  beforeEach(() => {
-    vi.clearAllMocks();
-    resetBaileysMocks();
-    resetLoadConfigMock();
-  });
-
-  afterEach(() => {
-    resetLogger();
-    setLoggerOverride(null);
-    vi.useRealTimers();
-  });
+  installWebAutoReplyUnitTestHooks();
 
   it("prefixes body with same-phone marker when from === to", async () => {
     // Enable messagePrefix for same-phone mode testing
diff --git a/src/web/auto-reply.web-auto-reply.sends-tool-summaries-immediately-responseprefix.test.ts b/src/web/auto-reply.web-auto-reply.sends-tool-summaries-immediately-responseprefix.test.ts
index b99c4f6ebb..062bc81860 100644
--- a/src/web/auto-reply.web-auto-reply.sends-tool-summaries-immediately-responseprefix.test.ts
+++ b/src/web/auto-reply.web-auto-reply.sends-tool-summaries-immediately-responseprefix.test.ts
@@ -1,109 +1,17 @@
+import { describe, expect, it, vi } from "vitest";
 import "./test-helpers.js";
-import fs from "node:fs/promises";
-import os from "node:os";
-import path from "node:path";
-import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
-
-vi.mock("../agents/pi-embedded.js", () => ({
-  abortEmbeddedPiRun: vi.fn().mockReturnValue(false),
-  isEmbeddedPiRunActive: vi.fn().mockReturnValue(false),
-  isEmbeddedPiRunStreaming: vi.fn().mockReturnValue(false),
-  runEmbeddedPiAgent: vi.fn(),
-  queueEmbeddedPiMessage: vi.fn().mockReturnValue(false),
-  resolveEmbeddedSessionLane: (key: string) => `session:${key.trim() || "main"}`,
-}));
-
-import { resetInboundDedupe } from "../auto-reply/reply/inbound-dedupe.js";
-import { resetLogger, setLoggerOverride } from "../logging.js";
 import { monitorWebChannel } from "./auto-reply.js";
-import { resetBaileysMocks, resetLoadConfigMock, setLoadConfigMock } from "./test-helpers.js";
+import {
+  installWebAutoReplyTestHomeHooks,
+  installWebAutoReplyUnitTestHooks,
+  resetLoadConfigMock,
+  setLoadConfigMock,
+} from "./auto-reply.test-harness.js";
 
-let previousHome: string | undefined;
-let tempHome: string | undefined;
-
-const rmDirWithRetries = async (dir: string): Promise<void> => {
-  // Some tests can leave async session-store writes in-flight; recursive deletion can race and throw ENOTEMPTY.
-  for (let attempt = 0; attempt < 10; attempt += 1) {
-    try {
-      await fs.rm(dir, { recursive: true, force: true });
-      return;
-    } catch (err) {
-      const code =
-        err && typeof err === "object" && "code" in err
-          ? String((err as { code?: unknown }).code)
-          : null;
-      if (code === "ENOTEMPTY" || code === "EBUSY" || code === "EPERM") {
-        await new Promise((resolve) => setTimeout(resolve, 5));
-        continue;
-      }
-      throw err;
-    }
-  }
-
-  await fs.rm(dir, { recursive: true, force: true });
-};
-
-beforeEach(async () => {
-  resetInboundDedupe();
-  previousHome = process.env.HOME;
-  tempHome = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-web-home-"));
-  process.env.HOME = tempHome;
-});
-
-afterEach(async () => {
-  process.env.HOME = previousHome;
-  if (tempHome) {
-    await rmDirWithRetries(tempHome);
-    tempHome = undefined;
-  }
-});
-
-const _makeSessionStore = async (
-  entries: Record<string, unknown> = {},
-): Promise<{ storePath: string; cleanup: () => Promise<void> }> => {
-  const dir = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-session-"));
-  const storePath = path.join(dir, "sessions.json");
-  await fs.writeFile(storePath, JSON.stringify(entries));
-  const cleanup = async () => {
-    // Session store writes can be in-flight when the test finishes (e.g. updateLastRoute
-    // after a message flush). `fs.rm({ recursive })` can race and throw ENOTEMPTY.
-    for (let attempt = 0; attempt < 10; attempt += 1) {
-      try {
-        await fs.rm(dir, { recursive: true, force: true });
-        return;
-      } catch (err) {
-        const code =
-          err && typeof err === "object" && "code" in err
-            ? String((err as { code?: unknown }).code)
-            : null;
-        if (code === "ENOTEMPTY" || code === "EBUSY" || code === "EPERM") {
-          await new Promise((resolve) => setTimeout(resolve, 5));
-          continue;
-        }
-        throw err;
-      }
-    }
-
-    await fs.rm(dir, { recursive: true, force: true });
-  };
-  return {
-    storePath,
-    cleanup,
-  };
-};
+installWebAutoReplyTestHomeHooks();
 
 describe("web auto-reply", () => {
-  beforeEach(() => {
-    vi.clearAllMocks();
-    resetBaileysMocks();
-    resetLoadConfigMock();
-  });
-
-  afterEach(() => {
-    resetLogger();
-    setLoggerOverride(null);
-    vi.useRealTimers();
-  });
+  installWebAutoReplyUnitTestHooks();
 
   it("skips tool summaries and sends final reply with responsePrefix", async () => {
     setLoadConfigMock(() => ({
diff --git a/src/web/test-helpers.ts b/src/web/test-helpers.ts
index c3d2312777..ae87104d15 100644
--- a/src/web/test-helpers.ts
+++ b/src/web/test-helpers.ts
@@ -44,6 +44,26 @@ vi.mock("../config/config.js", async (importOriginal) => {
   };
 });
 
+// Some web modules live under `src/web/auto-reply/*` and import config via a different
+// relative path (`../../config/config.js`). Mock both specifiers so tests stay stable
+// across refactors that move files between folders.
+vi.mock("../../config/config.js", async (importOriginal) => {
+  // `../../config/config.js` is correct for modules under `src/web/auto-reply/*`.
+  // For typing in this file (which lives in `src/web/*`), refer to the same module
+  // via the local relative path.
+  const actual = await importOriginal<typeof import("../config/config.js")>();
+  return {
+    ...actual,
+    loadConfig: () => {
+      const getter = (globalThis as Record<symbol, unknown>)[CONFIG_KEY];
+      if (typeof getter === "function") {
+        return getter();
+      }
+      return DEFAULT_CONFIG;
+    },
+  };
+});
+
 vi.mock("../media/store.js", () => ({
   saveMediaBuffer: vi.fn().mockImplementation(async (_buf: Buffer, contentType?: string) => ({
     id: "mid",