refactor(projects): 1、新增执行任务，表单优化；2、删除逻辑丰富。3、修改已知问题

src/service/api/project.ts

@@ -443,6 +443,14 @@ export function fetchDeleteProjectExecution(
   });
 }
 
+/** 执行删除预检（spec §2.1：返回是否含下挂数据，用于前端弹层分流） */
+export function fetchPrecheckDeleteProjectExecution(projectId: string, executionId: string) {
+  return request<Api.Project.ProjectExecutionDeletePrecheck>({
+    url: `${getExecutionPrefix(projectId)}/${executionId}/delete-precheck`,
+    method: 'get'
+  });
+}
+
 /** 变更项目执行状态 */
 export function fetchChangeProjectExecutionStatus(
   projectId: string,
@@ -638,6 +646,14 @@ export function fetchDeleteProjectTask(
   });
 }
 
+/** 任务删除预检（spec §2.1） */
+export function fetchPrecheckDeleteProjectTask(projectId: string, executionId: string, taskId: string) {
+  return request<Api.Project.ProjectTaskDeletePrecheck>({
+    url: `${getTaskPrefix(projectId, executionId)}/${taskId}/delete-precheck`,
+    method: 'get'
+  });
+}
+
 /** 变更项目任务状态 */
 export function fetchChangeProjectTaskStatus(
   projectId: string,
@@ -855,6 +871,7 @@ function normalizeProjectRequirement(requirement: ProjectRequirementResponse): A
     currentHandlerUserId: normalizeNullableStringId(requirement.currentHandlerUserId),
     sourceBizId: normalizeNullableStringId(requirement.sourceBizId),
     attachments: normalizeAttachments(requirement.attachments),
+    progressRate: typeof requirement.progressRate === 'number' ? requirement.progressRate : 0,
     children: requirement.children?.map(normalizeProjectRequirement)
   };
 }