diff --git a/package.json b/package.json
index 786c452..0182eb5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "my-weekly-todo-list",
-  "version": "1.88.2",
+  "version": "1.89.0",
   "description": "A web-based weekly task management application that organizes to-dos and calendar events in a single, intuitive weekly view",
   "main": "index.js",
   "scripts": {
diff --git a/src/app/api/someday-lists/route.ts b/src/app/api/someday-lists/route.ts
index 54de06e..e103c43 100644
--- a/src/app/api/someday-lists/route.ts
+++ b/src/app/api/someday-lists/route.ts
@@ -121,6 +121,8 @@ export async function DELETE(request: NextRequest) {
 
         const { searchParams } = new URL(request.url);
         const id = searchParams.get('id');
+        // tasksOnly=true: soft-disconnect (keep list record with tab, just remove tasks + external link)
+        const tasksOnly = searchParams.get('tasksOnly') === 'true';
 
         if (!id) {
             return NextResponse.json(
@@ -147,6 +149,16 @@ export async function DELETE(request: NextRequest) {
             data: { deletedAt: new Date(), somedayListId: null }
         });
 
+        if (tasksOnly) {
+            // Soft-disconnect: keep list record (preserves tab assignment) but clear external link
+            await prisma.somedayList.update({
+                where: { id },
+                data: { externalId: null, externalProvider: null, lastSyncedAt: null }
+            });
+            notifyUser(userId, "list-changed", { action: "disconnected" });
+            return NextResponse.json({ success: true, kept: true });
+        }
+
         await prisma.somedayList.delete({
             where: { id }
         });
diff --git a/src/app/api/tasks/import/route.ts b/src/app/api/tasks/import/route.ts
index 9dcf8db..9dc30b0 100644
--- a/src/app/api/tasks/import/route.ts
+++ b/src/app/api/tasks/import/route.ts
@@ -293,7 +293,8 @@ export async function POST(req: NextRequest) {
                         where: { id: existingTask.id },
                         data: {
                             somedayListId: somedayList.id,
-                            lastSyncedAt: new Date()
+                            lastSyncedAt: new Date(),
+                            deletedAt: null,  // clear soft-delete from a previous disconnect
                         }
                     });
                     externalToLocalId.set(task.externalId, existingTask.id);
diff --git a/src/components/WeeklyView.tsx b/src/components/WeeklyView.tsx
index 9cc5970..29e8950 100644
--- a/src/components/WeeklyView.tsx
+++ b/src/components/WeeklyView.tsx
@@ -3672,10 +3672,13 @@ export default function WeeklyView() {
         );
         if (!existing) { setUnsyncConfirm(null); return; }
         try {
-            const res = await fetch(`/api/someday-lists?id=${existing.id}`, {
+            // tasksOnly=true: soft-disconnect — removes tasks but keeps list record with its tab assignment
+            // so when the user reconnects, the tab is restored automatically without re-dragging
+            const res = await fetch(`/api/someday-lists?id=${existing.id}&tasksOnly=true`, {
                 method: "DELETE",
             });
             if (res.ok) {
+                // Remove from local state (clean UI); DB record is kept for tab restoration on reconnect
                 setSomedayLists((prev) => prev.filter((l) => l.id !== existing.id));
                 setImportStatusMsg({
                     type: "success",
@@ -3683,7 +3686,7 @@ export default function WeeklyView() {
                 });
             }
         } catch (error) {
-            console.error("Failed to delete list", error);
+            console.error("Failed to unsync list", error);
             setImportStatusMsg({
                 type: "error",
                 text: "Failed to stop syncing list.",
@@ -3717,7 +3720,8 @@ export default function WeeklyView() {
                 );
                 if (!existing) continue;
                 try {
-                    const res = await fetch(`/api/someday-lists?id=${existing.id}`, {
+                    // tasksOnly=true: soft-disconnect — keeps list record with tab for reconnect restoration
+                    const res = await fetch(`/api/someday-lists?id=${existing.id}&tasksOnly=true`, {
                         method: "DELETE",
                     });
                     if (res.ok) {