diff --git a/src/plugins/web-provider-public-artifacts.explicit-fast-path.test.ts b/src/plugins/web-provider-public-artifacts.explicit-fast-path.test.ts
index 459daefdbec..2baf806deaa 100644
--- a/src/plugins/web-provider-public-artifacts.explicit-fast-path.test.ts
+++ b/src/plugins/web-provider-public-artifacts.explicit-fast-path.test.ts
@@ -6,6 +6,55 @@ const { loadPluginManifestRegistryMock } = vi.hoisted(() => ({
   }),
 }));
 
+const { loadBundledPluginPublicArtifactModuleSyncMock } = vi.hoisted(() => {
+  const providerBase = {
+    label: "Fixture",
+    hint: "fixture",
+    envVars: ["FIXTURE_API_KEY"],
+    placeholder: "fixture",
+    signupUrl: "https://example.com",
+    credentialPath: "plugins.entries.fixture.config.apiKey",
+    getCredentialValue: () => undefined,
+    setCredentialValue: () => ({}),
+  };
+  return {
+    loadBundledPluginPublicArtifactModuleSyncMock: vi.fn(
+      ({ dirName, artifactBasename }: { dirName: string; artifactBasename: string }) => {
+        if (dirName === "brave" && artifactBasename === "web-search-contract-api.js") {
+          return {
+            createBraveWebSearchProvider: () => ({
+              ...providerBase,
+              id: "brave",
+              createTool: () => null,
+            }),
+          };
+        }
+        if (dirName === "google" && artifactBasename === "web-search-provider.js") {
+          return {
+            createGeminiWebSearchProvider: () => ({
+              ...providerBase,
+              id: "gemini",
+              createTool: () => ({ description: "fixture", parameters: {} }),
+            }),
+          };
+        }
+        if (dirName === "firecrawl" && artifactBasename === "web-fetch-contract-api.js") {
+          return {
+            createFirecrawlWebFetchProvider: () => ({
+              ...providerBase,
+              id: "firecrawl",
+              createTool: () => null,
+            }),
+          };
+        }
+        throw new Error(
+          `Unable to resolve bundled plugin public surface ${dirName}/${artifactBasename}`,
+        );
+      },
+    ),
+  };
+});
+
 vi.mock("./manifest-registry.js", async (importOriginal) => {
   const actual = await importOriginal<typeof import("./manifest-registry.js")>();
   return {
@@ -14,6 +63,14 @@ vi.mock("./manifest-registry.js", async (importOriginal) => {
   };
 });
 
+vi.mock("./public-surface-loader.js", async (importOriginal) => {
+  const actual = await importOriginal<typeof import("./public-surface-loader.js")>();
+  return {
+    ...actual,
+    loadBundledPluginPublicArtifactModuleSync: loadBundledPluginPublicArtifactModuleSyncMock,
+  };
+});
+
 import { resolveBundledExplicitRuntimeWebSearchProvidersFromPublicArtifacts as resolveExplicitRuntimeWebSearchProviders } from "./web-provider-public-artifacts.explicit.js";
 import {
   resolveBundledWebFetchProvidersFromPublicArtifacts,
@@ -23,6 +80,7 @@ import {
 describe("web provider public artifacts explicit fast path", () => {
   beforeEach(() => {
     loadPluginManifestRegistryMock.mockClear();
+    loadBundledPluginPublicArtifactModuleSyncMock.mockClear();
   });
 
   it("resolves bundled web search providers by explicit plugin id without manifest scans", () => {
@@ -33,6 +91,10 @@ describe("web provider public artifacts explicit fast path", () => {
 
     expect(provider?.pluginId).toBe("brave");
     expect(provider?.createTool({ config: {} as never })).toBeNull();
+    expect(loadBundledPluginPublicArtifactModuleSyncMock).toHaveBeenCalledWith({
+      dirName: "brave",
+      artifactBasename: "web-search-contract-api.js",
+    });
     expect(loadPluginManifestRegistryMock).not.toHaveBeenCalled();
   });
 
@@ -43,6 +105,10 @@ describe("web provider public artifacts explicit fast path", () => {
 
     expect(provider?.pluginId).toBe("google");
     expect(provider?.createTool({ config: {} as never })).not.toBeNull();
+    expect(loadBundledPluginPublicArtifactModuleSyncMock).toHaveBeenCalledWith({
+      dirName: "google",
+      artifactBasename: "web-search-provider.js",
+    });
     expect(loadPluginManifestRegistryMock).not.toHaveBeenCalled();
   });
 
@@ -54,6 +120,10 @@ describe("web provider public artifacts explicit fast path", () => {
 
     expect(provider?.pluginId).toBe("firecrawl");
     expect(provider?.createTool({ config: {} as never })).toBeNull();
+    expect(loadBundledPluginPublicArtifactModuleSyncMock).toHaveBeenCalledWith({
+      dirName: "firecrawl",
+      artifactBasename: "web-fetch-contract-api.js",
+    });
     expect(loadPluginManifestRegistryMock).not.toHaveBeenCalled();
   });
 });