diff --git a/src/plugins/runtime/runtime-web-channel-plugin.test.ts b/src/plugins/runtime/runtime-web-channel-plugin.test.ts
index ad2cf3c23e2a..f52ba95d0623 100644
--- a/src/plugins/runtime/runtime-web-channel-plugin.test.ts
+++ b/src/plugins/runtime/runtime-web-channel-plugin.test.ts
@@ -1,7 +1,13 @@
 // Runtime web-channel plugin tests cover web channel plugin activation and runtime behavior.
+import fs from "node:fs";
+import path from "node:path";
 import { afterEach, describe, expect, it, vi } from "vitest";
+import { createTempDirTracker } from "../../../test/helpers/temp-dir.js";
+
+const tempDirs = createTempDirTracker();
 
 afterEach(() => {
+  tempDirs.cleanup();
   vi.doUnmock("./runtime-plugin-boundary.js");
   vi.resetModules();
 });
@@ -51,6 +57,57 @@ describe("runtime web channel plugin", () => {
     expect(resolvePluginRuntimeRecordByEntryBaseNames).toHaveBeenCalledOnce();
   });
 
+  it.each(["light", "heavy"] as const)(
+    "reloads replaced %s runtime artifacts and dependencies after plugin lifecycle clears",
+    async (kind) => {
+      const pluginRoot = fs.realpathSync(tempDirs.make("openclaw-web-runtime-replacement-"));
+      const modulePath = path.join(
+        pluginRoot,
+        kind === "light" ? "light-runtime-api.js" : "runtime-api.js",
+      );
+      const dependencyPath = path.join(pluginRoot, "dependency.js");
+      fs.writeFileSync(path.join(pluginRoot, "package.json"), '{"type":"commonjs"}\n', "utf8");
+
+      const writeRuntime = (marker: string) => {
+        fs.writeFileSync(dependencyPath, `module.exports = ${JSON.stringify(marker)};\n`, "utf8");
+        const exportName = kind === "light" ? "resolveDefaultWebAuthDir" : "startWebLoginWithQr";
+        fs.writeFileSync(
+          modulePath,
+          `module.exports = { ${exportName}: () => ${JSON.stringify(marker)} + ":" + require("./dependency.js") };\n`,
+          "utf8",
+        );
+      };
+      writeRuntime("retired");
+
+      vi.doMock("./runtime-plugin-boundary.js", async (importOriginal) => ({
+        ...(await importOriginal<typeof import("./runtime-plugin-boundary.js")>()),
+        resolvePluginRuntimeRecordByEntryBaseNames: () => ({
+          origin: "global",
+          rootDir: pluginRoot,
+          source: path.join(pluginRoot, "index.js"),
+        }),
+        resolvePluginRuntimeModulePath: () => modulePath,
+      }));
+
+      const runtime = await import("./runtime-web-channel-plugin.js");
+      const { clearPluginMetadataLifecycleCaches } =
+        await import("../plugin-metadata-lifecycle.js");
+      const invoke = () =>
+        kind === "light"
+          ? Promise.resolve(runtime.resolveWebChannelAuthDir())
+          : runtime.startWebLoginWithQr();
+
+      await expect(invoke()).resolves.toBe("retired:retired");
+      writeRuntime("replacement");
+      await expect(invoke()).resolves.toBe("retired:retired");
+
+      clearPluginMetadataLifecycleCaches();
+
+      await expect(invoke()).resolves.toBe("replacement:replacement");
+      await expect(invoke()).resolves.toBe("replacement:replacement");
+    },
+  );
+
   it("reports heavy runtime load failures as promise rejections", async () => {
     vi.doMock("./runtime-plugin-boundary.js", () => ({
       loadPluginBoundaryModule: () => {
diff --git a/src/plugins/runtime/runtime-web-channel-plugin.ts b/src/plugins/runtime/runtime-web-channel-plugin.ts
index af6f4bb2549a..b2e0d48d1de8 100644
--- a/src/plugins/runtime/runtime-web-channel-plugin.ts
+++ b/src/plugins/runtime/runtime-web-channel-plugin.ts
@@ -1,7 +1,9 @@
 // Runtime web-channel plugin helpers expose web-channel tools through activated plugin runtimes.
+import path from "node:path";
 import { getDefaultLocalRootsCore } from "../../media/web-media.js";
 import { registerPluginMetadataProcessMemoLifecycleClear } from "../plugin-metadata-lifecycle.js";
 import {
+  clearPluginModuleLoaderLifecycleCache,
   createPluginModuleLoaderCache,
   type PluginModuleLoaderCache,
 } from "../plugin-module-loader-cache.js";
@@ -64,10 +66,11 @@ const webChannelRuntimeModuleCache = new Map<
 >();
 
 const moduleLoaders: PluginModuleLoaderCache = createPluginModuleLoaderCache();
+const moduleRoots = new Map<string, string>();
 
 registerPluginMetadataProcessMemoLifecycleClear(() => {
   webChannelRuntimeModuleCache.clear();
-  moduleLoaders.clear();
+  clearPluginModuleLoaderLifecycleCache({ moduleLoaders, moduleRoots });
 });
 
 /** Resolves the active web-channel plugin record that provides runtime APIs. */
@@ -89,6 +92,7 @@ function resolveWebChannelRuntimeModulePath(
   if (!modulePath) {
     throw new Error(`web channel plugin runtime is unavailable: missing ${entryBaseName}`);
   }
+  moduleRoots.set(modulePath, record.rootDir ?? path.dirname(record.source));
   return modulePath;
 }