feat: improve quick bookkeeping and asset inclusion

Add commemorative assets, session undo, paired repayment, month/day markers and filters. Compact account cards, move transfer entry, persist backup metadata, and update Chinese documentation.

apps/web/src/style.css

@@ -2268,3 +2268,157 @@ textarea,
   height: 18px;
   flex: 0 0 18px;
 }
+
+.quick-account-panel {
+  margin-right: 364px;
+}
+.quick-account-panel .quick-transfer-select {
+  padding-right: 0;
+}
+.quick-session-panel {
+  position: fixed;
+  right: 24px;
+  top: 114px;
+  bottom: 24px;
+  width: 340px;
+  overflow: auto;
+  z-index: 25;
+  display: flex;
+  flex-direction: column;
+  gap: 18px;
+  box-shadow: 0 12px 40px #17374718;
+}
+.quick-session-panel .quick-transfer-card {
+  width: auto;
+  box-shadow: none;
+  border: 1px solid var(--line, #dce5df);
+  padding: 14px;
+}
+.quick-session-panel h2 {
+  font-size: 18px;
+  margin: 0;
+}
+.quick-journal ol {
+  list-style: none;
+  padding: 0;
+  margin: 12px 0 0;
+  display: grid;
+  gap: 10px;
+}
+.quick-journal li {
+  display: grid;
+  gap: 7px;
+  border: 1px solid var(--line, #dce5df);
+  border-radius: 12px;
+  padding: 12px;
+  overflow-wrap: anywhere;
+}
+.quick-journal li p {
+  margin: 0;
+  font-size: 13px;
+}
+.quick-journal li small {
+  color: var(--text-muted, #617068);
+}
+.quick-journal li .secondary {
+  justify-self: end;
+  padding: 5px 12px;
+}
+.quick-journal .undone {
+  opacity: 0.6;
+}
+.repayment-paid {
+  background: #e6f6ef;
+  color: #137852;
+}
+.quick-repayment-actions {
+  flex-wrap: wrap;
+  margin: 12px 0;
+}
+@media (max-width: 1100px) {
+  .quick-account-panel {
+    margin-right: 0;
+  }
+  .quick-session-panel {
+    position: static;
+    width: auto;
+    max-height: none;
+    margin-top: 16px;
+  }
+}
+
+.quick-content .page-heading {
+  margin-bottom: 10px;
+}
+.quick-content .page-heading .eyebrow,
+.quick-content .page-heading .muted {
+  display: none;
+}
+.quick-content .privacy-toolbar > span {
+  font-size: 12px;
+}
+.quick-content .account-tools {
+  gap: 6px;
+  flex-wrap: wrap;
+}
+.quick-content .account-tools button,
+.quick-content .account-tools select {
+  font-size: 13px;
+  padding: 6px 10px;
+  min-height: 34px;
+}
+.quick-dense-grid {
+  gap: 8px;
+  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
+}
+.quick-dense-grid .position-card {
+  padding: 12px;
+  min-height: 0;
+  gap: 4px;
+}
+.quick-dense-grid .position-card > div {
+  margin-bottom: 4px;
+}
+.quick-dense-grid .position-card .position-icon {
+  width: 28px;
+  height: 28px;
+}
+.quick-dense-grid .position-card .position-icon img {
+  width: 28px;
+  height: 28px;
+}
+.quick-dense-grid .position-card h3 {
+  margin: 2px 0;
+  font-size: 14px;
+}
+.quick-dense-grid .position-card strong {
+  font-size: 18px;
+}
+.quick-dense-grid .position-secondary,
+.quick-dense-grid .position-card > div > svg {
+  display: none;
+}
+.quick-dense-grid .account-group-title {
+  margin: 8px 0 0;
+  font-size: 14px;
+}
+.quick-dense-grid .badge {
+  font-size: 11px;
+  padding: 2px 6px;
+}
+
+.quick-session-panel > * {
+  flex: 0 0 auto;
+}
+.quick-session-panel .quick-transfer-card {
+  max-height: none;
+  overflow: visible;
+}
+.quick-account-panel .quick-transfer-select {
+  padding-bottom: 0;
+}
+@media (min-width: 1101px) {
+  .quick-session-panel {
+    top: 225px;
+  }
+}