feat(project): show business fields in statistics details

Reuse assignment business columns and keyword searches in the four statistics drill-down lists. Add a statistics-permission read endpoint sharing tenant-scoped detail queries without granting assignment access.

Related to issue #13. Independent static review completed. User self-test arrangement: regression cases authored, no tests or builds executed.

web-admin/src/api/project-management.ts

@@ -91,6 +91,11 @@ export const fetchAssignmentRecords = (params: Record<string, unknown>) =>
     url: `${base}/assignments/records`,
     params
   })
+export const fetchStatisticsRecords = (params: Record<string, unknown>) =>
+  request.get<{ list: AssignmentRecord[]; total: number; statusCounts: Record<string, number> }>({
+    url: `${base}/statistics/records`,
+    params
+  })
 export const previewAssignment = (data: ProjectRecord) =>
   request.post<{ records: ProjectRecord[] }>({ url: `${base}/assignments/preview`, data })
 export const saveAssignment = (data: ProjectRecord) =>

web-admin/src/views/project-management/RecordList.vue

@@ -241,6 +241,7 @@
     bizLabels,
     fetchProjectRecords,
     fetchAssignmentRecords,
+    fetchStatisticsRecords,
     previewAssignment,
     saveAssignment,
     fetchAssignmentHistory,
@@ -274,12 +275,12 @@
     historyVisible = ref(false),
     historyRows = ref<ProjectRecord[]>([])
   const visibleColumns = computed(() =>
-    props.assignment
-      ? assignmentColumns[query.bizType as AssignmentBizType]
-      : [{ prop: 'bizNo', label: '单据编号', minWidth: 180 }]
+    query.bizType === 'presign'
+      ? [{ prop: 'bizNo', label: '单据编号', minWidth: 180 }]
+      : assignmentColumns[query.bizType]
   )
   const keywordHint = computed(() =>
-    props.assignment ? assignmentKeywordHints[query.bizType as AssignmentBizType] : '请输入单据编号'
+    query.bizType === 'presign' ? '请输入单据编号' : assignmentKeywordHints[query.bizType]
   )
   let loadVersion = 0
   function statusLabel(status: string) {
@@ -306,7 +307,11 @@
     loadError.value = false
     rows.value = []
     try {
-      const fetchRecords = props.assignment ? fetchAssignmentRecords : fetchProjectRecords
+      const fetchRecords = props.assignment
+        ? fetchAssignmentRecords
+        : query.bizType === 'presign'
+          ? fetchProjectRecords
+          : fetchStatisticsRecords
       const result = await fetchRecords({
         ...props.filters,
         ...query,