diff --git a/extensions/diagnostics-otel/api.ts b/extensions/diagnostics-otel/api.ts
new file mode 100644
index 00000000000..01d7aed8989
--- /dev/null
+++ b/extensions/diagnostics-otel/api.ts
@@ -0,0 +1 @@
+export * from "openclaw/plugin-sdk/diagnostics-otel";
diff --git a/extensions/diagnostics-otel/src/service.test.ts b/extensions/diagnostics-otel/src/service.test.ts
index d310b227be3..c8d08d07f1b 100644
--- a/extensions/diagnostics-otel/src/service.test.ts
+++ b/extensions/diagnostics-otel/src/service.test.ts
@@ -98,18 +98,16 @@ vi.mock("@opentelemetry/semantic-conventions", () => ({
   ATTR_SERVICE_NAME: "service.name",
 }));
 
-vi.mock("openclaw/plugin-sdk/diagnostics-otel", async () => {
-  const actual = await vi.importActual<typeof import("openclaw/plugin-sdk/diagnostics-otel")>(
-    "openclaw/plugin-sdk/diagnostics-otel",
-  );
+vi.mock("../api.js", async () => {
+  const actual = await vi.importActual<typeof import("../api.js")>("../api.js");
   return {
     ...actual,
     registerLogTransport: registerLogTransportMock,
   };
 });
 
-import type { OpenClawPluginServiceContext } from "openclaw/plugin-sdk/diagnostics-otel";
-import { emitDiagnosticEvent } from "openclaw/plugin-sdk/diagnostics-otel";
+import type { OpenClawPluginServiceContext } from "../api.js";
+import { emitDiagnosticEvent } from "../api.js";
 import { createDiagnosticsOtelService } from "./service.js";
 
 const OTEL_TEST_STATE_DIR = "/tmp/openclaw-diagnostics-otel-test";
diff --git a/extensions/diagnostics-otel/src/service.ts b/extensions/diagnostics-otel/src/service.ts
index b7224d034dd..2516b4c52e3 100644
--- a/extensions/diagnostics-otel/src/service.ts
+++ b/extensions/diagnostics-otel/src/service.ts
@@ -9,15 +9,8 @@ import { PeriodicExportingMetricReader } from "@opentelemetry/sdk-metrics";
 import { NodeSDK } from "@opentelemetry/sdk-node";
 import { ParentBasedSampler, TraceIdRatioBasedSampler } from "@opentelemetry/sdk-trace-base";
 import { ATTR_SERVICE_NAME } from "@opentelemetry/semantic-conventions";
-import type {
-  DiagnosticEventPayload,
-  OpenClawPluginService,
-} from "openclaw/plugin-sdk/diagnostics-otel";
-import {
-  onDiagnosticEvent,
-  redactSensitiveText,
-  registerLogTransport,
-} from "openclaw/plugin-sdk/diagnostics-otel";
+import type { DiagnosticEventPayload, OpenClawPluginService } from "../api.js";
+import { onDiagnosticEvent, redactSensitiveText, registerLogTransport } from "../api.js";
 
 const DEFAULT_SERVICE_NAME = "openclaw";