feat(staff): 员工详情独立页(StaffDetail.vue,替代 drawer 降级,对齐云客 userDetailNew)

Co-Authored-By: Claude <noreply@anthropic.com>

yunkes/src/views/StaffList.vue

@@ -511,6 +511,20 @@ function openDrawer(row: Account): void {
   drawerOpen.value = true
 }
 
+/**
+ * 员工姓名 click → standalone 员工详情 page (mirrors 云客 userDetailNew).
+ * The 员工姓名 cell is a small, deliberate click target, distinct from the
+ * row-click quick-preview drawer. Prefer the structured `user_id`; fall back
+ * to `account_id` for accounts that carry no staff binding (so the page can
+ * still resolve by the account identifier).
+ */
+function goToDetail(row: Account): void {
+  router.push({
+    name: 'staff-detail',
+    params: { userId: row.user_id ?? row.account_id },
+  })
+}
+
 const drawerSections = computed(() =>
   drawerAccount.value ? buildAccountSections(drawerAccount.value) : [],
 )
@@ -608,7 +622,7 @@ onMounted(() => {
                   </div>
                   <div class="yk-staffinfo__pair">
                     <span class="yk-staffinfo__k">员工姓名</span>
-                    <el-button link type="primary" size="small" class="yk-staffinfo__v" @click.stop="openDrawer(row)">{{ cellText(row, 'userName') }}</el-button>
+                    <el-button link type="primary" size="small" class="yk-staffinfo__v" @click.stop="goToDetail(row)">{{ cellText(row, 'userName') }}</el-button>
                   </div>
                   <div class="yk-staffinfo__pair">
                     <span class="yk-staffinfo__k">微信手机号</span>