diff --git a/src/tts/provider-registry-core.ts b/src/tts/provider-registry-core.ts
new file mode 100644
index 00000000000..6d5315c7e69
--- /dev/null
+++ b/src/tts/provider-registry-core.ts
@@ -0,0 +1,58 @@
+import type { OpenClawConfig } from "../config/types.js";
+import {
+  buildCapabilityProviderMaps,
+  normalizeCapabilityProviderId,
+} from "../plugins/provider-registry-shared.js";
+import type { SpeechProviderPlugin } from "../plugins/types.js";
+import type { SpeechProviderId } from "./provider-types.js";
+
+export type SpeechProviderRegistryResolver = {
+  getProvider: (providerId: string, cfg?: OpenClawConfig) => SpeechProviderPlugin | undefined;
+  listProviders: (cfg?: OpenClawConfig) => SpeechProviderPlugin[];
+};
+
+export function normalizeSpeechProviderId(
+  providerId: string | undefined,
+): SpeechProviderId | undefined {
+  return normalizeCapabilityProviderId(providerId);
+}
+
+export function createSpeechProviderRegistry(resolver: SpeechProviderRegistryResolver) {
+  const buildResolvedProviderMaps = (cfg?: OpenClawConfig) =>
+    buildCapabilityProviderMaps(resolver.listProviders(cfg));
+
+  const listProviders = (cfg?: OpenClawConfig): SpeechProviderPlugin[] => [
+    ...buildResolvedProviderMaps(cfg).canonical.values(),
+  ];
+
+  const getProvider = (
+    providerId: string | undefined,
+    cfg?: OpenClawConfig,
+  ): SpeechProviderPlugin | undefined => {
+    const normalized = normalizeSpeechProviderId(providerId);
+    if (!normalized) {
+      return undefined;
+    }
+    return (
+      resolver.getProvider(normalized, cfg) ??
+      buildResolvedProviderMaps(cfg).aliases.get(normalized)
+    );
+  };
+
+  const canonicalizeProviderId = (
+    providerId: string | undefined,
+    cfg?: OpenClawConfig,
+  ): SpeechProviderId | undefined => {
+    const normalized = normalizeSpeechProviderId(providerId);
+    if (!normalized) {
+      return undefined;
+    }
+    return getProvider(normalized, cfg)?.id ?? normalized;
+  };
+
+  return {
+    canonicalizeSpeechProviderId: canonicalizeProviderId,
+    getSpeechProvider: getProvider,
+    listSpeechProviders: listProviders,
+  };
+}
diff --git a/src/tts/provider-registry.test.ts b/src/tts/provider-registry.test.ts
index a739af22b65..9584f0dadf9 100644
--- a/src/tts/provider-registry.test.ts
+++ b/src/tts/provider-registry.test.ts
@@ -1,19 +1,10 @@
-import { beforeAll, beforeEach, describe, expect, it, vi } from "vitest";
+import { beforeEach, describe, expect, it } from "vitest";
 import type { OpenClawConfig } from "../config/types.js";
 import type { SpeechProviderPlugin } from "../plugins/types.js";
-
-const resolvePluginCapabilityProviderMock = vi.hoisted(() => vi.fn());
-const resolvePluginCapabilityProvidersMock = vi.hoisted(() => vi.fn());
-
-vi.mock("../plugins/capability-provider-runtime.js", () => ({
-  resolvePluginCapabilityProvider: resolvePluginCapabilityProviderMock,
-  resolvePluginCapabilityProviders: resolvePluginCapabilityProvidersMock,
-}));
-
-let getSpeechProvider: typeof import("./provider-registry.js").getSpeechProvider;
-let listSpeechProviders: typeof import("./provider-registry.js").listSpeechProviders;
-let canonicalizeSpeechProviderId: typeof import("./provider-registry.js").canonicalizeSpeechProviderId;
-let normalizeSpeechProviderId: typeof import("./provider-registry.js").normalizeSpeechProviderId;
+import {
+  createSpeechProviderRegistry,
+  normalizeSpeechProviderId,
+} from "./provider-registry-core.js";
 
 function createSpeechProvider(id: string, aliases?: string[]): SpeechProviderPlugin {
   return {
@@ -31,59 +22,57 @@ function createSpeechProvider(id: string, aliases?: string[]): SpeechProviderPlu
 }
 
 describe("speech provider registry", () => {
-  beforeAll(async () => {
-    vi.resetModules();
-    ({
-      getSpeechProvider,
-      listSpeechProviders,
-      canonicalizeSpeechProviderId,
-      normalizeSpeechProviderId,
-    } = await import("./provider-registry.js"));
-  });
+  const getProviderCalls: Array<{ providerId: string; cfg?: OpenClawConfig }> = [];
+  const listProvidersCalls: Array<{ cfg?: OpenClawConfig }> = [];
+  let providers: SpeechProviderPlugin[] = [];
+  let directProvider: SpeechProviderPlugin | undefined;
+  let registry: ReturnType<typeof createSpeechProviderRegistry>;
 
   beforeEach(() => {
-    resolvePluginCapabilityProviderMock.mockReset();
-    resolvePluginCapabilityProviderMock.mockReturnValue(undefined);
-    resolvePluginCapabilityProvidersMock.mockReset();
-    resolvePluginCapabilityProvidersMock.mockReturnValue([]);
+    providers = [];
+    directProvider = undefined;
+    getProviderCalls.length = 0;
+    listProvidersCalls.length = 0;
+    registry = createSpeechProviderRegistry({
+      getProvider: (providerId, cfg) => {
+        getProviderCalls.push({ providerId, cfg });
+        return directProvider;
+      },
+      listProviders: (cfg) => {
+        listProvidersCalls.push({ cfg });
+        return providers;
+      },
+    });
   });
 
   it("lists providers from the speech capability runtime", () => {
     const cfg = {} as OpenClawConfig;
-    resolvePluginCapabilityProvidersMock.mockReturnValue([createSpeechProvider("demo-speech")]);
+    providers = [createSpeechProvider("demo-speech")];
 
-    expect(listSpeechProviders(cfg).map((provider) => provider.id)).toEqual(["demo-speech"]);
-    expect(resolvePluginCapabilityProvidersMock).toHaveBeenCalledWith({
-      key: "speechProviders",
-      cfg,
-    });
+    expect(registry.listSpeechProviders(cfg).map((provider) => provider.id)).toEqual([
+      "demo-speech",
+    ]);
+    expect(listProvidersCalls).toEqual([{ cfg }]);
   });
 
   it("gets providers by normalized id through the capability runtime", () => {
     const cfg = {} as OpenClawConfig;
-    const provider = createSpeechProvider("microsoft", ["edge"]);
-    resolvePluginCapabilityProviderMock.mockReturnValue(provider);
+    directProvider = createSpeechProvider("microsoft", ["edge"]);
 
-    expect(getSpeechProvider(" MICROSOFT ", cfg)).toBe(provider);
-    expect(resolvePluginCapabilityProviderMock).toHaveBeenCalledWith({
-      key: "speechProviders",
-      providerId: "microsoft",
-      cfg,
-    });
+    expect(registry.getSpeechProvider(" MICROSOFT ", cfg)).toBe(directProvider);
+    expect(getProviderCalls).toEqual([{ providerId: "microsoft", cfg }]);
   });
 
   it("canonicalizes aliases from listed providers when direct lookup misses", () => {
-    resolvePluginCapabilityProvidersMock.mockReturnValue([
-      createSpeechProvider("microsoft", ["edge"]),
-    ]);
+    providers = [createSpeechProvider("microsoft", ["edge"])];
 
     expect(normalizeSpeechProviderId("edge")).toBe("edge");
-    expect(canonicalizeSpeechProviderId("edge")).toBe("microsoft");
+    expect(registry.canonicalizeSpeechProviderId("edge")).toBe("microsoft");
   });
 
   it("returns empty results when the capability runtime has no speech providers", () => {
-    expect(listSpeechProviders()).toEqual([]);
-    expect(getSpeechProvider("demo-speech")).toBeUndefined();
-    expect(canonicalizeSpeechProviderId("demo-speech")).toBe("demo-speech");
+    expect(registry.listSpeechProviders()).toEqual([]);
+    expect(registry.getSpeechProvider("demo-speech")).toBeUndefined();
+    expect(registry.canonicalizeSpeechProviderId("demo-speech")).toBe("demo-speech");
   });
 });
diff --git a/src/tts/provider-registry.ts b/src/tts/provider-registry.ts
index f43a746fd87..b673c21790e 100644
--- a/src/tts/provider-registry.ts
+++ b/src/tts/provider-registry.ts
@@ -3,18 +3,12 @@ import {
   resolvePluginCapabilityProvider,
   resolvePluginCapabilityProviders,
 } from "../plugins/capability-provider-runtime.js";
-import {
-  buildCapabilityProviderMaps,
-  normalizeCapabilityProviderId,
-} from "../plugins/provider-registry-shared.js";
 import type { SpeechProviderPlugin } from "../plugins/types.js";
-import type { SpeechProviderId } from "./provider-types.js";
-
-export function normalizeSpeechProviderId(
-  providerId: string | undefined,
-): SpeechProviderId | undefined {
-  return normalizeCapabilityProviderId(providerId);
-}
+export { normalizeSpeechProviderId } from "./provider-registry-core.js";
+import {
+  createSpeechProviderRegistry,
+  type SpeechProviderRegistryResolver,
+} from "./provider-registry-core.js";
 
 function resolveSpeechProviderPluginEntries(cfg?: OpenClawConfig): SpeechProviderPlugin[] {
   return resolvePluginCapabilityProviders({
@@ -23,41 +17,21 @@ function resolveSpeechProviderPluginEntries(cfg?: OpenClawConfig): SpeechProvide
   });
 }
 
-function buildProviderMaps(cfg?: OpenClawConfig): {
-  canonical: Map<string, SpeechProviderPlugin>;
-  aliases: Map<string, SpeechProviderPlugin>;
-} {
-  return buildCapabilityProviderMaps(resolveSpeechProviderPluginEntries(cfg));
-}
-
-export function listSpeechProviders(cfg?: OpenClawConfig): SpeechProviderPlugin[] {
-  return [...buildProviderMaps(cfg).canonical.values()];
-}
-
-export function getSpeechProvider(
-  providerId: string | undefined,
-  cfg?: OpenClawConfig,
-): SpeechProviderPlugin | undefined {
-  const normalized = normalizeSpeechProviderId(providerId);
-  if (!normalized) {
-    return undefined;
-  }
-  return (
+const defaultSpeechProviderRegistryResolver: SpeechProviderRegistryResolver = {
+  getProvider: (providerId, cfg) =>
     resolvePluginCapabilityProvider({
       key: "speechProviders",
-      providerId: normalized,
+      providerId,
       cfg,
-    }) ?? buildProviderMaps(cfg).aliases.get(normalized)
-  );
-}
+    }),
+  listProviders: resolveSpeechProviderPluginEntries,
+};
 
-export function canonicalizeSpeechProviderId(
-  providerId: string | undefined,
-  cfg?: OpenClawConfig,
-): SpeechProviderId | undefined {
-  const normalized = normalizeSpeechProviderId(providerId);
-  if (!normalized) {
-    return undefined;
-  }
-  return getSpeechProvider(normalized, cfg)?.id ?? normalized;
-}
+const defaultSpeechProviderRegistry = createSpeechProviderRegistry(
+  defaultSpeechProviderRegistryResolver,
+);
+
+export const listSpeechProviders = defaultSpeechProviderRegistry.listSpeechProviders;
+export const getSpeechProvider = defaultSpeechProviderRegistry.getSpeechProvider;
+export const canonicalizeSpeechProviderId =
+  defaultSpeechProviderRegistry.canonicalizeSpeechProviderId;
diff --git a/test/vitest/vitest.unit-fast-paths.mjs b/test/vitest/vitest.unit-fast-paths.mjs
index cd7ba821f3a..7b39e73e1bb 100644
--- a/test/vitest/vitest.unit-fast-paths.mjs
+++ b/test/vitest/vitest.unit-fast-paths.mjs
@@ -93,6 +93,7 @@ export const forcedUnitFastTestFiles = [
   "src/security/windows-acl.test.ts",
   "src/realtime-transcription/websocket-session.test.ts",
   "src/trajectory/export.test.ts",
+  "src/tts/provider-registry.test.ts",
   "src/tts/status-config.test.ts",
   "src/version.test.ts",
 ];