diff --git a/extensions/diffs/index.ts b/extensions/diffs/index.ts
index ccd3ef77b5a..8b038b42fcc 100644
--- a/extensions/diffs/index.ts
+++ b/extensions/diffs/index.ts
@@ -1,6 +1,6 @@
 import path from "node:path";
-import type { OpenClawPluginApi } from "openclaw/plugin-sdk/core";
-import { resolvePreferredOpenClawTmpDir } from "openclaw/plugin-sdk/core";
+import type { OpenClawPluginApi } from "openclaw/plugin-sdk/diffs";
+import { resolvePreferredOpenClawTmpDir } from "openclaw/plugin-sdk/diffs";
 import {
   diffsPluginConfigSchema,
   resolveDiffsPluginDefaults,
diff --git a/extensions/diffs/src/browser.test.ts b/extensions/diffs/src/browser.test.ts
index 11f4befe122..9c3cf1365ea 100644
--- a/extensions/diffs/src/browser.test.ts
+++ b/extensions/diffs/src/browser.test.ts
@@ -1,7 +1,7 @@
 import fs from "node:fs/promises";
 import os from "node:os";
 import path from "node:path";
-import type { OpenClawConfig } from "openclaw/plugin-sdk/compat";
+import type { OpenClawConfig } from "openclaw/plugin-sdk/diffs";
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 
 const { launchMock } = vi.hoisted(() => ({
diff --git a/extensions/diffs/src/browser.ts b/extensions/diffs/src/browser.ts
index caa8319a237..904996946b6 100644
--- a/extensions/diffs/src/browser.ts
+++ b/extensions/diffs/src/browser.ts
@@ -1,7 +1,7 @@
 import { constants as fsConstants } from "node:fs";
 import fs from "node:fs/promises";
 import path from "node:path";
-import type { OpenClawConfig } from "openclaw/plugin-sdk/compat";
+import type { OpenClawConfig } from "openclaw/plugin-sdk/diffs";
 import { chromium } from "playwright-core";
 import type { DiffRenderOptions, DiffTheme } from "./types.js";
 import { VIEWER_ASSET_PREFIX, getServedViewerAsset } from "./viewer-assets.js";
diff --git a/extensions/diffs/src/config.ts b/extensions/diffs/src/config.ts
index 066c9ed0948..fbc9a108060 100644
--- a/extensions/diffs/src/config.ts
+++ b/extensions/diffs/src/config.ts
@@ -1,4 +1,4 @@
-import type { OpenClawPluginConfigSchema } from "openclaw/plugin-sdk/compat";
+import type { OpenClawPluginConfigSchema } from "openclaw/plugin-sdk/diffs";
 import {
   DIFF_IMAGE_QUALITY_PRESETS,
   DIFF_INDICATORS,
diff --git a/extensions/diffs/src/http.ts b/extensions/diffs/src/http.ts
index f53b6e0c386..0f17e77fd9e 100644
--- a/extensions/diffs/src/http.ts
+++ b/extensions/diffs/src/http.ts
@@ -1,5 +1,5 @@
 import type { IncomingMessage, ServerResponse } from "node:http";
-import type { PluginLogger } from "openclaw/plugin-sdk/compat";
+import type { PluginLogger } from "openclaw/plugin-sdk/diffs";
 import type { DiffArtifactStore } from "./store.js";
 import { DIFF_ARTIFACT_ID_PATTERN, DIFF_ARTIFACT_TOKEN_PATTERN } from "./types.js";
 import { VIEWER_ASSET_PREFIX, getServedViewerAsset } from "./viewer-assets.js";
diff --git a/extensions/diffs/src/store.ts b/extensions/diffs/src/store.ts
index 36d3d9f45a0..e53a555356c 100644
--- a/extensions/diffs/src/store.ts
+++ b/extensions/diffs/src/store.ts
@@ -1,7 +1,7 @@
 import crypto from "node:crypto";
 import fs from "node:fs/promises";
 import path from "node:path";
-import type { PluginLogger } from "openclaw/plugin-sdk/compat";
+import type { PluginLogger } from "openclaw/plugin-sdk/diffs";
 import type { DiffArtifactMeta, DiffOutputFormat } from "./types.js";
 
 const DEFAULT_TTL_MS = 30 * 60 * 1000;
diff --git a/extensions/diffs/src/tool.test.ts b/extensions/diffs/src/tool.test.ts
index a7a3b29261f..db66255cba6 100644
--- a/extensions/diffs/src/tool.test.ts
+++ b/extensions/diffs/src/tool.test.ts
@@ -1,7 +1,7 @@
 import fs from "node:fs/promises";
 import os from "node:os";
 import path from "node:path";
-import type { OpenClawPluginApi } from "openclaw/plugin-sdk/compat";
+import type { OpenClawPluginApi } from "openclaw/plugin-sdk/diffs";
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 import type { DiffScreenshotter } from "./browser.js";
 import { DEFAULT_DIFFS_TOOL_DEFAULTS } from "./config.js";
diff --git a/extensions/diffs/src/tool.ts b/extensions/diffs/src/tool.ts
index 2b4d5885033..c6eb4b528c4 100644
--- a/extensions/diffs/src/tool.ts
+++ b/extensions/diffs/src/tool.ts
@@ -1,6 +1,6 @@
 import fs from "node:fs/promises";
 import { Static, Type } from "@sinclair/typebox";
-import type { AnyAgentTool, OpenClawPluginApi } from "openclaw/plugin-sdk/compat";
+import type { AnyAgentTool, OpenClawPluginApi } from "openclaw/plugin-sdk/diffs";
 import { PlaywrightDiffScreenshotter, type DiffScreenshotter } from "./browser.js";
 import { resolveDiffImageRenderOptions } from "./config.js";
 import { renderDiffDocument } from "./render.js";
diff --git a/extensions/diffs/src/url.ts b/extensions/diffs/src/url.ts
index 516bcf2e1aa..feee5c7af05 100644
--- a/extensions/diffs/src/url.ts
+++ b/extensions/diffs/src/url.ts
@@ -1,4 +1,4 @@
-import type { OpenClawConfig } from "openclaw/plugin-sdk/compat";
+import type { OpenClawConfig } from "openclaw/plugin-sdk/diffs";
 
 const DEFAULT_GATEWAY_PORT = 18789;