diff --git a/test/helpers/extensions/jiti-runtime-api.ts b/test/helpers/extensions/jiti-runtime-api.ts
index 11aa25358b0..fe59f3fcb12 100644
--- a/test/helpers/extensions/jiti-runtime-api.ts
+++ b/test/helpers/extensions/jiti-runtime-api.ts
@@ -1,6 +1,7 @@
 import { execFileSync } from "node:child_process";
-import { readFileSync } from "node:fs";
+import { existsSync, readFileSync } from "node:fs";
 import path from "node:path";
+import ts from "typescript";
 
 const JITI_EXTENSIONS = [
   ".ts",
@@ -16,28 +17,171 @@ const JITI_EXTENSIONS = [
 ] as const;
 
 const PLUGIN_SDK_SPECIFIER_PREFIX = "openclaw/plugin-sdk/";
+const SOURCE_MODULE_EXTENSIONS = [".ts", ".tsx", ".mts", ".cts"] as const;
 
-function collectPluginSdkDistAliases(params: {
+type SourceModuleRef = {
+  specifier: string;
+  typeOnly: boolean;
+};
+
+function listPluginSdkExportedSubpaths(root: string): string[] {
+  const packageJsonPath = path.join(root, "package.json");
+  const packageJson = JSON.parse(readFileSync(packageJsonPath, "utf8")) as {
+    exports?: Record<string, unknown>;
+  };
+  return Object.keys(packageJson.exports ?? {})
+    .filter((key) => key.startsWith("./plugin-sdk/"))
+    .map((key) => key.slice("./plugin-sdk/".length));
+}
+
+function resolvePluginSdkAliasTarget(root: string, subpath: string): string | null {
+  const distCandidate = path.join(root, "dist", "plugin-sdk", `${subpath}.js`);
+  if (existsSync(distCandidate)) {
+    return distCandidate;
+  }
+
+  for (const ext of SOURCE_MODULE_EXTENSIONS) {
+    const srcCandidate = path.join(root, "src", "plugin-sdk", `${subpath}${ext}`);
+    if (existsSync(srcCandidate)) {
+      return srcCandidate;
+    }
+  }
+
+  return null;
+}
+
+function resolveLocalModulePath(filePath: string, specifier: string): string | null {
+  const basePath = path.resolve(path.dirname(filePath), specifier);
+  const candidates = new Set<string>([basePath]);
+
+  for (const ext of SOURCE_MODULE_EXTENSIONS) {
+    candidates.add(`${basePath}${ext}`);
+  }
+
+  if (/\.[cm]?[jt]sx?$/u.test(basePath)) {
+    const withoutExt = basePath.replace(/\.[cm]?[jt]sx?$/u, "");
+    for (const ext of SOURCE_MODULE_EXTENSIONS) {
+      candidates.add(`${withoutExt}${ext}`);
+    }
+  }
+
+  for (const ext of SOURCE_MODULE_EXTENSIONS) {
+    candidates.add(path.join(basePath, `index${ext}`));
+  }
+
+  for (const candidate of candidates) {
+    if (existsSync(candidate)) {
+      return candidate;
+    }
+  }
+
+  return null;
+}
+
+function collectSourceModuleRefs(filePath: string): SourceModuleRef[] {
+  const sourceText = readFileSync(filePath, "utf8");
+  const sourceFile = ts.createSourceFile(filePath, sourceText, ts.ScriptTarget.Latest, true);
+  const refs: SourceModuleRef[] = [];
+
+  for (const statement of sourceFile.statements) {
+    if (ts.isImportDeclaration(statement)) {
+      const specifier =
+        statement.moduleSpecifier && ts.isStringLiteral(statement.moduleSpecifier)
+          ? statement.moduleSpecifier.text
+          : undefined;
+      if (specifier) {
+        refs.push({
+          specifier,
+          typeOnly: Boolean(statement.importClause?.isTypeOnly),
+        });
+      }
+      continue;
+    }
+
+    if (!ts.isExportDeclaration(statement)) {
+      continue;
+    }
+
+    const specifier =
+      statement.moduleSpecifier && ts.isStringLiteral(statement.moduleSpecifier)
+        ? statement.moduleSpecifier.text
+        : undefined;
+    if (!specifier) {
+      continue;
+    }
+
+    const typeOnly = Boolean(
+      statement.isTypeOnly ||
+      (statement.exportClause &&
+        ts.isNamedExports(statement.exportClause) &&
+        statement.exportClause.elements.length > 0 &&
+        statement.exportClause.elements.every((element) => element.isTypeOnly)),
+    );
+
+    refs.push({ specifier, typeOnly });
+  }
+
+  return refs;
+}
+
+function collectPluginSdkAliases(params: {
   modulePath: string;
   root: string;
 }): Record<string, string> {
-  const sourceText = readFileSync(params.modulePath, "utf8");
-  const specifiers = new Set<string>();
+  const realSpecifiers = new Set<string>();
+  const stubSpecifiers = new Set<string>();
+  const visitedFiles = new Set<string>();
+  const stubPath = path.join(params.root, "test", "helpers", "extensions", "plugin-sdk-stub.cjs");
 
-  for (const match of sourceText.matchAll(/["'](openclaw\/plugin-sdk(?:\/[^"']+)?)["']/g)) {
-    const specifier = match[1];
-    if (!specifier?.startsWith(PLUGIN_SDK_SPECIFIER_PREFIX)) {
-      continue;
+  function visitModule(filePath: string, rootModule: boolean): void {
+    if (visitedFiles.has(filePath)) {
+      return;
+    }
+    visitedFiles.add(filePath);
+
+    for (const ref of collectSourceModuleRefs(filePath)) {
+      if (ref.specifier.startsWith(PLUGIN_SDK_SPECIFIER_PREFIX)) {
+        if (rootModule && !ref.typeOnly) {
+          realSpecifiers.add(ref.specifier);
+          const subpath = ref.specifier.slice(PLUGIN_SDK_SPECIFIER_PREFIX.length);
+          const target = resolvePluginSdkAliasTarget(params.root, subpath);
+          if (target?.endsWith(".ts")) {
+            visitModule(target, false);
+          }
+        } else {
+          stubSpecifiers.add(ref.specifier);
+        }
+        continue;
+      }
+
+      if (!ref.specifier.startsWith(".")) {
+        continue;
+      }
+
+      const resolved = resolveLocalModulePath(filePath, ref.specifier);
+      if (resolved) {
+        visitModule(resolved, false);
+      }
     }
-    specifiers.add(specifier);
   }
 
-  return Object.fromEntries(
-    Array.from(specifiers, (specifier) => {
+  visitModule(params.modulePath, true);
+
+  const aliasEntries = new Map<string, string>();
+  for (const specifier of listPluginSdkExportedSubpaths(params.root).map(
+    (subpath) => `${PLUGIN_SDK_SPECIFIER_PREFIX}${subpath}`,
+  )) {
+    if (realSpecifiers.has(specifier)) {
       const subpath = specifier.slice(PLUGIN_SDK_SPECIFIER_PREFIX.length);
-      return [specifier, path.join(params.root, "dist", "plugin-sdk", `${subpath}.js`)];
-    }),
-  );
+      aliasEntries.set(specifier, resolvePluginSdkAliasTarget(params.root, subpath) ?? stubPath);
+      continue;
+    }
+    if (stubSpecifiers.has(specifier)) {
+      aliasEntries.set(specifier, stubPath);
+    }
+  }
+
+  return Object.fromEntries(aliasEntries);
 }
 
 export function loadRuntimeApiExportTypesViaJiti(params: {
@@ -47,7 +191,7 @@ export function loadRuntimeApiExportTypesViaJiti(params: {
 }): Record<string, string> {
   const root = process.cwd();
   const alias = {
-    ...collectPluginSdkDistAliases({ modulePath: params.modulePath, root }),
+    ...collectPluginSdkAliases({ modulePath: params.modulePath, root }),
     ...params.additionalAliases,
   };
 
diff --git a/test/helpers/extensions/plugin-sdk-stub.cjs b/test/helpers/extensions/plugin-sdk-stub.cjs
new file mode 100644
index 00000000000..1b693f991a0
--- /dev/null
+++ b/test/helpers/extensions/plugin-sdk-stub.cjs
@@ -0,0 +1,65 @@
+"use strict";
+
+let stub;
+
+stub = new Proxy(
+  function pluginSdkStub() {
+    return stub;
+  },
+  {
+    apply() {
+      return stub;
+    },
+    construct() {
+      return stub;
+    },
+    get(_target, prop) {
+      if (prop === "__esModule") {
+        return true;
+      }
+      if (prop === "default") {
+        return stub;
+      }
+      if (prop === "then") {
+        return undefined;
+      }
+      if (prop === Symbol.toPrimitive) {
+        return () => "";
+      }
+      if (prop === "toJSON") {
+        return () => undefined;
+      }
+      if (prop === "toString") {
+        return () => "";
+      }
+      if (prop === "valueOf") {
+        return () => 0;
+      }
+      return stub;
+    },
+    ownKeys() {
+      return [];
+    },
+    getOwnPropertyDescriptor(_target, prop) {
+      if (prop === "__esModule") {
+        return {
+          configurable: true,
+          enumerable: false,
+          value: true,
+          writable: false,
+        };
+      }
+      if (prop === "default") {
+        return {
+          configurable: true,
+          enumerable: false,
+          value: stub,
+          writable: false,
+        };
+      }
+      return undefined;
+    },
+  },
+);
+
+module.exports = stub;