diff --git a/frontend/js/dashboard.js b/frontend/js/dashboard.js
index 697a908..a68f2ba 100644
--- a/frontend/js/dashboard.js
+++ b/frontend/js/dashboard.js
@@ -330,9 +330,9 @@ const DashboardRecentWidget = {
 
     card.appendChild(footer);
 
-    // Click handler
+    // Click handler — open in tab system (not raw openFile)
     card.addEventListener("click", () => {
-      openFile(file.vault, file.path);
+      TabManager.openPreview(file.vault, file.path);
     });
 
     return card;
diff --git a/frontend/js/pane-manager.js b/frontend/js/pane-manager.js
index 1686f9b..461ca02 100644
--- a/frontend/js/pane-manager.js
+++ b/frontend/js/pane-manager.js
@@ -804,7 +804,6 @@ const PaneManager = {
       try {
         const dragData = JSON.parse(raw);
         if (dragData.paneId == null || dragData.tabId == null) return;
-        if (dragData.paneId === paneId) return; // Same pane, tab handler deals with it
 
         // Recalculate edge zone from drop coordinates
         const rect = container.getBoundingClientRect();
@@ -824,9 +823,11 @@ const PaneManager = {
             const newPaneId = this.panes.length - 1;
             this.transferTab(dragData.paneId, dragData.tabId, newPaneId);
           }, 200);
-        } else {
+        } else if (dragData.paneId !== paneId) {
+          // Cross-pane transfer (already in split mode, different panes)
           this.transferTab(dragData.paneId, dragData.tabId, paneId);
         }
+        // else: same pane, not edge — tab handler deals with reorder
       } catch (e2) { console.debug('PaneManager drop error:', e2); }
     });
   },