fix(ai): 修正 API 路由地址格式

将 ai-apply/ai-dismiss 改为 ai_apply/ai_dismiss，
匹配 Laravel 路由方法命名转换规则（task__ai_apply -> ai_apply）

Generated with [Claude Code](https://claude.ai/code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

app/Http/Controllers/Api/ProjectController.php

@@ -3827,7 +3827,7 @@ class ProjectController extends AbstractController
     }
 
     /**
-     * @api {post} api/project/task/ai-apply          26. 采纳AI建议
+     * @api {post} api/project/task/ai_apply          26. 采纳AI建议
      *
      * @apiDescription 标记AI建议为已采纳，返回建议数据供前端调用相应业务接口处理
      *
@@ -3900,7 +3900,7 @@ class ProjectController extends AbstractController
     }
 
     /**
-     * @api {post} api/project/task/ai-dismiss          27. 忽略AI建议
+     * @api {post} api/project/task/ai_dismiss          27. 忽略AI建议
      *
      * @apiVersion 1.0.0
      * @apiGroup project