fix: two UX issues

1. Settings X button: closeSettings() goes back, skipping hash-only navigation
   → No more double-click to close

2. Workspaces page: Connect Gitea link now includes &mode=link
   → Same link as Settings → Integrations (was missing mode=link)

app/templates/settings.html

@@ -81,7 +81,7 @@
 
 <div class="settings-overlay" x-data="settingsInit()" @keydown.escape="window.history.back()">
   <div class="settings-panel" style="position:relative;">
-    <button class="settings-close" @click="window.history.back()" title="Close">×</button>
+    <button class="settings-close" @click="closeSettings()" title="Close">×</button>
 
     <!-- Left navigation -->
     <div class="settings-nav">
@@ -798,6 +798,15 @@ document.addEventListener('alpine:init', function() {
           if (r.ok) { this.githubLinked = false; }
         } catch(e) {}
       },
+      closeSettings() {
+        // Go back to previous page, skipping any hash-only navigation
+        if (document.referrer && document.referrer.includes('/settings')) {
+          // Came from another settings tab — use history until we leave settings
+          history.go(-2);
+        } else {
+          history.back();
+        }
+      },
     };
   });
 });