fix(guide): 恢复被误删的套餐模板列表接口 /package/templates

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

cfc-backend/src/main/java/com/etotem/cfc/controller/guide/GuideManagementController.java

@@ -7,6 +7,7 @@ import com.etotem.cfc.entity.GuideApplication;
 import com.etotem.cfc.entity.GuideApplicationRecord;
 import com.etotem.cfc.entity.GuideInviteCode;
 import com.etotem.cfc.entity.GuidePackage;
+import com.etotem.cfc.entity.GuidePackageTemplate;
 import com.etotem.cfc.entity.GuideHierarchy;
 import com.etotem.cfc.entity.PackageOrder;
 import com.etotem.cfc.entity.User;
@@ -15,6 +16,7 @@ import com.etotem.cfc.service.GuideApplicationService;
 import com.etotem.cfc.service.GuideHierarchyService;
 import com.etotem.cfc.service.GuideInviteCodeService;
 import com.etotem.cfc.service.GuidePackageService;
+import com.etotem.cfc.service.GuidePackageTemplateService;
 import com.etotem.cfc.service.UserService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
@@ -44,6 +46,9 @@ public class GuideManagementController {
     @Resource
     private GuidePackageService guidePackageService;
 
+    @Resource
+    private GuidePackageTemplateService guidePackageTemplateService;
+
     @Resource
     private UserMapper userMapper;
 
@@ -266,6 +271,12 @@ public class GuideManagementController {
         return Result.success(parentGuide);
     }
 
+    @Operation(summary = "获取套餐模板列表")
+    @PostMapping("/package/templates")
+    public Result<List<GuidePackageTemplate>> getGuidePackageTemplates() {
+        return Result.success(guidePackageTemplateService.list());
+    }
+
     /**
      * 添加成长规划师任务模板
      */