feat: 项目信息新增发布时间字段(默认页面打开时间, 可修改不可设未来)

- 表单新增"发布时间" datetime 选择器, 默认 nowLocalDatetime()
- disabledDate 禁用今天之后日历日期 + validator 校验不得晚于当前时间
- 编辑回显 publishTime, 发布时用表单里的发布时间 (不再取点击瞬间)

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

ry-vue3/src/views/manager/ProjectsNew.vue

@@ -84,6 +84,14 @@
           </el-form-item>
         </el-col>
       </el-row>
+      <el-row :gutter="12">
+        <el-col :span="12">
+          <el-form-item label="发布时间" prop="publishTime">
+            <el-date-picker v-model="form.publishTime" type="datetime" value-format="YYYY-MM-DD HH:mm:ss"
+              :disabled-date="disableFutureDate" placeholder="请选择发布时间" style="width:100%" />
+          </el-form-item>
+        </el-col>
+      </el-row>
 
       <!-- ========== 第二区块：角色劳务设置 ========== -->
       <div class="new-card-title">角色劳务设置</div>
@@ -153,12 +161,31 @@ const fileInputRef = ref(null)
 
 function defaultRoleRow() { return { role: '', customName: '', amount: 0 } }
 function defaultNotice(key, label) { return { key, label, url: '', name: '' } }
-// 当前本地时间 "yyyy-MM-dd HH:mm:ss" (发布用, 与 el-date-picker 的本地时间口径一致; 不能用 toISOString 的 UTC)
+// 当前本地时间 "yyyy-MM-dd HH:mm:ss" (发布时间默认值/校验用, 与 el-date-picker 的本地时间口径一致; 不能用 toISOString 的 UTC)
 function nowLocalDatetime() {
   const d = new Date()
   const p = n => String(n).padStart(2, '0')
   return `${d.getFullYear()}-${p(d.getMonth() + 1)}-${p(d.getDate())} ${p(d.getHours())}:${p(d.getMinutes())}:${p(d.getSeconds())}`
 }
+// 发布时间: 禁用今天之后的日历日期 (未来日期不可选)
+function disableFutureDate(date) {
+  const today = new Date()
+  today.setHours(0, 0, 0, 0)
+  return date.getTime() > today.getTime()
+}
+// 发布时间校验: 必填 + 不能晚于当前时间
+// value 是 "YYYY-MM-DD HH:mm:ss" 定长补零字符串, 字典序 = 时间序, 直接字符串比较 (无需 Date 解析/时区)
+function validatePublishTime(rule, value, callback) {
+  if (!value) {
+    callback(new Error('请选择发布时间'))
+    return
+  }
+  if (value > nowLocalDatetime()) {
+    callback(new Error('发布时间不能晚于当前时间'))
+    return
+  }
+  callback()
+}
 
 // 项目负责人候选 (sys_user.role_type='leader')
 const leaderOptions = ref([])
@@ -172,6 +199,8 @@ const form = reactive({
   isBidProject: 'N',
   totalSessions: 0, totalAmount: 0, manageFee: 0,
   startTime: '', endTime: '',
+  // 发布时间: 默认打开页面时的本地时间, 用户可修改 (不可设未来时间)
+  publishTime: nowLocalDatetime(),
   roleRows: [
     { role: '主席',      customName: '', amount: 0 },
     { role: '主持',      customName: '', amount: 0 },
@@ -195,7 +224,8 @@ const rules = {
   totalSessions: [{ required: true, message: '请输入总场次', trigger: 'blur' }],
   totalAmount: [{ required: true, message: '请输入总金额', trigger: 'blur' }],
   startTime: [{ required: true, message: '请选择开始时间', trigger: 'change' }],
-  endTime: [{ required: true, message: '请选择结束时间', trigger: 'change' }]
+  endTime: [{ required: true, message: '请选择结束时间', trigger: 'change' }],
+  publishTime: [{ validator: validatePublishTime, trigger: 'change' }]
 }
 
 function onRoleSelectChange(r) {
@@ -289,6 +319,8 @@ async function loadProject() {
     form.manageFee = p.manageFee || 0
     form.startTime = p.startTime || ''
     form.endTime = p.endTime || ''
+    // 发布时间: 已有值反显, 否则沿用页面打开时的默认时间
+    form.publishTime = p.publishTime || nowLocalDatetime()
     form.leadUserId = p.leadUserId || null
     form.isBidProject = p.isBidProject || 'N'
     // 角色劳务反显: biz_project.role_labor JSON 数组 [{role, customName, amount}]
@@ -403,10 +435,10 @@ async function submit(mode = 'save') {
     else if (n.key === 'notice') payload.publishUrl = n.url
     else if (n.key === 'schedule') payload.scheduleUrl = n.url
   }
-  // 发布时设置 is_published='Y' + publish_time (同步后端字段)
+  // 发布时设置 is_published='Y' + publish_time (用表单里用户可编辑的发布时间)
   if (mode === 'publish') {
     payload.isPublished = 'Y'
-    payload.publishTime = nowLocalDatetime()
+    payload.publishTime = form.publishTime
   }
   // 多执行方分配已移至"项目分配"页面单独管理
   try {