fix: honor bundled web provider compat discovery

src/plugins/web-provider-public-artifacts.fallback.test.ts

@@ -122,6 +122,35 @@ describe("web provider public artifact manifest fallback", () => {
     });
   });
 
+  it("keeps deprecated bundledDiscovery compat discovery outside plugin allowlists", () => {
+    const resolveExplicitWebSearchProviders =
+      mocks.resolveBundledExplicitWebSearchProvidersFromPublicArtifacts as unknown as {
+        mockImplementation: (
+          implementation: (params: {
+            onlyPluginIds: readonly string[];
+          }) => { id: string; pluginId: string }[],
+        ) => void;
+      };
+    resolveExplicitWebSearchProviders.mockImplementation((params) =>
+      params.onlyPluginIds.map((pluginId) => ({ id: pluginId, pluginId })),
+    );
+
+    const providers = resolveBundledWebSearchProvidersFromPublicArtifacts({
+      config: {
+        plugins: {
+          allow: ["some-other-plugin"],
+          bundledDiscovery: "compat",
+        },
+      },
+      onlyPluginIds: ["fallback-search"],
+    });
+
+    expect(providers).toEqual([{ id: "fallback-search", pluginId: "fallback-search" }]);
+    expect(mocks.resolveBundledExplicitWebSearchProvidersFromPublicArtifacts).toHaveBeenCalledWith({
+      onlyPluginIds: ["fallback-search"],
+    });
+  });
+
   it("keeps manifest bundled web-fetch public artifact candidates inside allowlist discovery", () => {
     mocks.loadPluginMetadataSnapshot.mockReturnValueOnce({
       diagnostics: [],

src/plugins/web-provider-public-artifacts.ts

@@ -31,6 +31,11 @@ function filterAllowlistedBundledPluginIds(
   config: PluginLoadOptions["config"] | undefined,
   pluginIds: readonly string[],
 ) {
+  // Deprecated shipped compat marker: old allowlist configs used this to keep
+  // bundled web provider discovery available while plugin IDs were tightened.
+  if (config?.plugins?.bundledDiscovery === "compat") {
+    return [...pluginIds];
+  }
   const allow = config?.plugins?.allow;
   if (!Array.isArray(allow) || allow.length === 0) {
     return [...pluginIds];