feat(miniprogram): migrate advance apply list/form/detail from bx-mobile.

Reuse /advances APIs with bx envelope and Fresh Mint list/form styling.

Co-authored-by: Cursor <cursoragent@cursor.com>

miniprogram/utils/bxFormat.js

@@ -0,0 +1,87 @@
+/** 对齐 bx-mobile/src/utils/format.ts（Batch2 所需子集） */
+
+export function statusLabel(status) {
+  if (status == null || status === '') return '-'
+  const map = {
+    1: '启用',
+    0: '禁用',
+    draft: '待提交',
+    pending: '审批中',
+    approved: '已通过',
+    rejected: '已驳回',
+    withdrawn: '已撤回',
+    issued: '已发放',
+    paid: '已支付',
+    offset: '已冲抵',
+    partial: '部分冲抵',
+    processed: '已处理'
+  }
+  return map[status] ?? String(status)
+}
+
+export function statusTone(status) {
+  if (status == null) return 'info'
+  const map = {
+    1: 'done',
+    0: 'error',
+    draft: 'info',
+    pending: 'warn',
+    approved: 'done',
+    rejected: 'error',
+    withdrawn: 'warn',
+    issued: 'done',
+    paid: 'done',
+    offset: 'done',
+    partial: 'warn',
+    processed: 'done'
+  }
+  return map[status] ?? 'info'
+}
+
+export function workflowListStatusTagClass(status) {
+  const raw = status == null || status === '' ? 'draft' : String(status)
+  return `s-${raw}`
+}
+
+export function ticketHeaderStatusToneClass(status) {
+  const tone = statusTone(status)
+  const map = {
+    info: 'advance-ticket-status--info',
+    warn: 'advance-ticket-status--warn',
+    done: 'advance-ticket-status--done',
+    error: 'advance-ticket-status--err',
+    processing: 'advance-ticket-status--processing'
+  }
+  return map[tone] || 'advance-ticket-status--info'
+}
+
+export function formatAmount(amount) {
+  const n = typeof amount === 'string' ? parseFloat(amount) : amount
+  if (Number.isNaN(n)) return '0.00'
+  return n.toLocaleString('zh-CN', { minimumFractionDigits: 2, maximumFractionDigits: 2 })
+}
+
+export function formatDate(dateStr) {
+  if (!dateStr) return '-'
+  return String(dateStr).substring(0, 10)
+}
+
+export function formatDateTime(dateStr) {
+  if (!dateStr) return '-'
+  return String(dateStr).substring(0, 16).replace('T', ' ')
+}
+
+export function pickApplyTime(row) {
+  if (!row || typeof row !== 'object') return undefined
+  const v = row.applyTime ?? row.createTime ?? row.apply_time ?? row.create_time
+  if (v == null || v === '') return undefined
+  return String(v)
+}
+
+export function formatApplyDateTime(row) {
+  return formatDateTime(pickApplyTime(row))
+}
+
+export function formatApplyDate(row) {
+  return formatDate(pickApplyTime(row))
+}