feat(cashier): maker-checker on cash transfer, real branches, compact Approval Center

- Cash Transfer now raises a request ("Send for approval") instead of posting. A My Requests button in the
  page header opens the caller's requests with their status, and a Cash Transfers approvals page (review
  popup with the full denomination breakdown, approve, reject with a reason) lets a different manager release
  the cash.
- Transaction Entry's Branch dropdown lists the installation's real offices instead of a fixed list. A login
  that cannot read offices is offered only its own branch (read-only), so no "Unauthorized Request" popup.
- Approval Center header and tab bar made compact so more tabs fit on a 100% window.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/app/cashier/cash-transfer/cash-transfer.component.scss

@@ -49,3 +49,131 @@
   font-size: 12px;
   color: #991b1b;
 }
+
+.ct-requests {
+  padding: 0;
+
+  &__title {
+    padding: 10px 14px;
+    border-bottom: 1px solid #e2e8f0;
+    font-size: 13px;
+    font-weight: 700;
+    color: #0d1b2a;
+  }
+
+  &__note {
+    margin-top: 2px;
+    font-size: 11px;
+    color: #64748b;
+  }
+}
+
+.ct-status {
+  display: inline-block;
+  padding: 2px 10px;
+  border-radius: 999px;
+  background: #e2e8f0;
+  font-size: 11px;
+  font-weight: 700;
+
+  &--PENDING {
+    background: #fef3c7;
+    color: #92400e;
+  }
+
+  &--APPROVED {
+    background: #d1fae5;
+    color: #065f46;
+  }
+
+  &--REJECTED {
+    background: #fee2e2;
+    color: #991b1b;
+  }
+}
+
+.ct-head-actions {
+  display: flex;
+  gap: 8px;
+  flex-wrap: wrap;
+}
+
+.ct-badge {
+  min-width: 18px;
+  padding: 0 6px;
+  border-radius: 999px;
+  background: #f59e0b;
+  color: #fff;
+  font-size: 11px;
+  font-weight: 700;
+  text-align: center;
+}
+
+.ct-dlg {
+  font-size: 12px;
+
+  &__head {
+    display: flex;
+    align-items: center;
+    gap: 10px;
+    padding: 10px 14px;
+    border-bottom: 1px solid #e2e8f0;
+    background: #f8fafc;
+  }
+
+  &__ico {
+    flex: 0 0 32px;
+    height: 32px;
+    width: 32px;
+    border-radius: 9px;
+    background: #f0fdf4;
+    color: #1f7a4d;
+    font-size: 18px;
+    line-height: 32px;
+    text-align: center;
+  }
+
+  &__titles {
+    flex: 1;
+    min-width: 0;
+  }
+
+  &__title {
+    font-size: 14px;
+    font-weight: 700;
+    color: #0f172a;
+  }
+
+  &__sub {
+    font-size: 11px;
+    color: #64748b;
+  }
+
+  &__x {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    height: 28px;
+    width: 28px;
+    border: 0;
+    border-radius: 50%;
+    background: transparent;
+    color: #64748b;
+    cursor: pointer;
+
+    &:hover {
+      background: #e2e8f0;
+    }
+
+    mat-icon {
+      font-size: 18px;
+      height: 18px;
+      width: 18px;
+    }
+  }
+
+  &__body {
+    max-height: 60vh;
+    overflow-y: auto;
+  }
+}