From 5b22703949833d84eb9733d1b168787ca94a3e0a Mon Sep 17 00:00:00 2001
From: sunlei <yemu2333@outlook.com>
Date: Thu, 18 Jun 2026 08:49:43 +0800
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---
 .../plugin-package-path-policy.service.ts       | 17 +++++++++++++----
 .../plugin-platform/plugin-platform-di.spec.ts  | 12 ++++++++++++
 2 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/src/modules/qqbot/plugin-platform/infrastructure/integration/package/plugin-package-path-policy.service.ts b/src/modules/qqbot/plugin-platform/infrastructure/integration/package/plugin-package-path-policy.service.ts
index 10277cb..6c4bb6d 100644
--- a/src/modules/qqbot/plugin-platform/infrastructure/integration/package/plugin-package-path-policy.service.ts
+++ b/src/modules/qqbot/plugin-platform/infrastructure/integration/package/plugin-package-path-policy.service.ts
@@ -1,4 +1,4 @@
-import { Injectable } from '@nestjs/common';
+import { Inject, Injectable, Optional } from '@nestjs/common';
 import { existsSync, statSync } from 'node:fs';
 import { isAbsolute, relative, resolve, sep } from 'node:path';
 
@@ -9,6 +9,9 @@ const DEFAULT_BUILTIN_PACKAGE_ROOT = resolve(
   'qqbot',
   'plugins',
 );
+export const QQBOT_PLUGIN_PACKAGE_CONTROLLED_ROOTS = Symbol(
+  'QQBOT_PLUGIN_PACKAGE_CONTROLLED_ROOTS',
+);
 
 /**
  * Restricts QQBot plugin package discovery and entry resolution to controlled package roots.
@@ -19,10 +22,16 @@ export class QqbotPluginPackagePathPolicyService {
 
   /**
    * Creates a path policy for package roots that the plugin platform may scan.
-   * @param controlledRoots - Directory roots that may contain one-level QQBot plugin package folders.
+   * @param controlledRoots - Optional DI-provided package roots; production omits this token so the platform scans the standard built-in plugin root.
    */
-  constructor(controlledRoots = [DEFAULT_BUILTIN_PACKAGE_ROOT]) {
-    this.controlledRoots = controlledRoots.map((root) => resolve(root));
+  constructor(
+    @Optional()
+    @Inject(QQBOT_PLUGIN_PACKAGE_CONTROLLED_ROOTS)
+    controlledRoots?: string[],
+  ) {
+    this.controlledRoots = (
+      controlledRoots?.length ? controlledRoots : [DEFAULT_BUILTIN_PACKAGE_ROOT]
+    ).map((root) => resolve(root));
   }
 
   /**
diff --git a/test/modules/qqbot/plugin-platform/plugin-platform-di.spec.ts b/test/modules/qqbot/plugin-platform/plugin-platform-di.spec.ts
index 01964bf..bd9b879 100644
--- a/test/modules/qqbot/plugin-platform/plugin-platform-di.spec.ts
+++ b/test/modules/qqbot/plugin-platform/plugin-platform-di.spec.ts
@@ -1,6 +1,8 @@
 import { readFileSync } from 'node:fs';
 import { join } from 'node:path';
+import { Test } from '@nestjs/testing';
 import { QqbotPluginPlatformService } from '../../../../src/modules/qqbot/plugin-platform/application/plugin-platform.service';
+import { QqbotPluginPackagePathPolicyService } from '../../../../src/modules/qqbot/plugin-platform/infrastructure/integration/package/plugin-package-path-policy.service';
 import { QqbotPluginTaskWorkerProcessor } from '../../../../src/modules/qqbot/plugin-platform/application/task/qqbot-plugin-task-worker.processor';
 
 describe('QQBot plugin platform DI tokens', () => {
@@ -27,4 +29,14 @@ describe('QQBot plugin platform DI tokens', () => {
 
     expect(paramTypes[1]).toBe(QqbotPluginPlatformService);
   });
+
+  it('lets Nest instantiate the package path policy without a config-array provider', async () => {
+    const moduleRef = await Test.createTestingModule({
+      providers: [QqbotPluginPackagePathPolicyService],
+    }).compile();
+
+    expect(moduleRef.get(QqbotPluginPackagePathPolicyService)).toBeInstanceOf(
+      QqbotPluginPackagePathPolicyService,
+    );
+  });
 });