feat: add treasury audit, attachment download, and installment SMS

Let cheque clearance pick a cash account and export income, expense, and installment lists to Excel.

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

apps/web/src/views/treasury/TreasuryAuditView.vue

@@ -0,0 +1,57 @@
+<script setup lang="ts">
+import { onMounted, ref } from 'vue';
+import { api } from '@/lib/api';
+import { UiPageHeader } from '@/components/ui';
+import TreasuryNav from '@/components/treasury/TreasuryNav.vue';
+import { formatJalaliNumeric } from '@/lib/jalali';
+
+type Row = {
+  id: string;
+  action: string;
+  entityType: string;
+  createdAt: string;
+  before: unknown;
+  after: unknown;
+};
+
+const rows = ref<Row[]>([]);
+const error = ref('');
+const actionLabel: Record<string, string> = {
+  settle: 'تسویه سند',
+  cash_post: 'نشستن وجه در حساب',
+};
+
+onMounted(async () => {
+  try {
+    const { data } = await api.get<Row[]>('/treasury/audit');
+    rows.value = data;
+  } catch {
+    error.value = 'سوابق بارگذاری نشد.';
+  }
+});
+</script>
+
+<template>
+  <section class="page">
+    <UiPageHeader title="سوابق تغییرات مالی" description="تسویه سند و نشستن وجه در صندوق، با مقدار ثبت‌شده." />
+    <TreasuryNav />
+    <p v-if="error" class="err">{{ error }}</p>
+    <p v-if="!error && !rows.length" class="muted">سابقه‌ای نیست.</p>
+    <article v-for="row in rows" :key="row.id">
+      <header>
+        <strong>{{ actionLabel[row.action] ?? row.action }}</strong>
+        <time>{{ formatJalaliNumeric(new Date(row.createdAt)) }}</time>
+      </header>
+      <pre>{{ JSON.stringify(row.after ?? row.before, null, 2) }}</pre>
+    </article>
+  </section>
+</template>
+
+<style scoped>
+.page { display: grid; gap: 0.8rem; }
+article { background: #fff; border: 1px solid #e7eef2; border-radius: 14px; padding: 0.8rem 1rem; }
+header { display: flex; justify-content: space-between; gap: 0.75rem; }
+time, .muted { color: #64748b; }
+pre { margin: 0.45rem 0 0; white-space: pre-wrap; font: inherit; color: #334155; }
+.err { color: #b91c1c; font-weight: 700; }
+</style>