feat: add safe Gitea sync and signed updates

src/renderer/styles.css

@@ -648,6 +648,24 @@ select:focus-visible {
   right: 14px;
   color: var(--text-faint);
 }
+.modal .summary-grid {
+  grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
+}
+.modal .summary-card {
+  min-height: 108px;
+}
+.modal .summary-card > span {
+  display: block;
+  max-width: 12ch;
+  color: var(--text-muted);
+  line-height: 1.35;
+}
+.modal .summary-card > strong {
+  display: block;
+  margin-top: 15px;
+  font: 700 27px/1 var(--font-sans);
+  color: var(--text);
+}
 .summary-card.warning .summary-value,
 .summary-card.warning .icon {
   color: var(--warning);
@@ -2653,6 +2671,7 @@ kbd {
 .git-tools-grid {
   display: grid;
   grid-template-columns: repeat(2, minmax(0, 1fr));
+  grid-auto-rows: max-content;
   gap: 15px;
   align-items: start;
 }
@@ -3318,6 +3337,33 @@ html[data-theme="light"] .setup-brand-logo-light {
 .git-tools-grid .troubleshooting-panel {
   grid-column: 1 / -1;
 }
+.git-tools-grid .workspace-sync-panel {
+  grid-column: 1 / -1;
+  overflow: hidden;
+  background:
+    radial-gradient(circle at 88% 10%, color-mix(in srgb, var(--accent) 15%, transparent), transparent 34%),
+    var(--surface-1);
+}
+.workspace-sync-layout {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) auto;
+  align-items: center;
+  gap: 24px;
+}
+.workspace-sync-layout h3 {
+  margin: 0 0 6px;
+}
+.workspace-sync-layout p {
+  margin: 0 0 13px;
+  color: var(--text-muted);
+  max-width: 820px;
+}
+.workspace-sync-actions {
+  display: grid;
+  justify-items: end;
+  gap: 10px;
+  min-width: 220px;
+}
 .troubleshooting-summary {
   display: flex;
   align-items: center;
@@ -3351,6 +3397,13 @@ html[data-theme="light"] .setup-brand-logo-light {
   margin-left: auto;
 }
 @media (max-width: 760px) {
+  .workspace-sync-layout {
+    grid-template-columns: 1fr;
+  }
+  .workspace-sync-actions {
+    justify-items: stretch;
+    min-width: 0;
+  }
   .repo-quick-actions {
     margin-inline: 12px;
   }