feat(KB-256): reposition QuickEntryBox above table headers in ListView

- Move QuickEntryBox from below headers to above the table in ListView
- Update CSS to support new positioning with sticky header layout
- Adjust ListView component structure for better visual hierarchy
- Update ListView tests to reflect new component ordering

packages/dashboard/app/components/ListView.tsx

@@ -469,17 +469,6 @@ export function ListView({
         ) : null}
       </div>
 
-      <div className="list-create-area">
-        <QuickEntryBox 
-          onCreate={onQuickCreate ?? (async () => addToast("Task creation not available", "error"))} 
-          addToast={addToast}
-          tasks={tasks}
-          availableModels={availableModels}
-          onPlanningMode={onPlanningMode}
-          onSubtaskBreakdown={onSubtaskBreakdown}
-        />
-      </div>
-
       <div className="list-drop-zones">
         {COLUMNS.map((column) => {
           const totalCount = tasks.filter((t) => t.column === column).length;
@@ -508,6 +497,16 @@ export function ListView({
       </div>
 
       <div className="list-table-container">
+        <div className="list-quick-entry-above-table">
+          <QuickEntryBox 
+            onCreate={onQuickCreate ?? (async () => addToast("Task creation not available", "error"))} 
+            addToast={addToast}
+            tasks={tasks}
+            availableModels={availableModels}
+            onPlanningMode={onPlanningMode}
+            onSubtaskBreakdown={onSubtaskBreakdown}
+          />
+        </div>
         {filteredCount === 0 ? (
           <div className="list-empty">
             {filter ? "No tasks match your filter" : "No tasks yet"}

packages/dashboard/app/components/__tests__/ListView.test.tsx

@@ -1332,18 +1332,21 @@ describe("ListView Quick Entry", () => {
     expect(input).toBeDefined();
   });
 
-  it("renders QuickEntryBox in list-create-area, not in toolbar", () => {
+  it("renders QuickEntryBox in list-quick-entry-above-table, not in toolbar", () => {
     const mockOnQuickCreate = vi.fn().mockResolvedValue(undefined);
     renderListView({ onQuickCreate: mockOnQuickCreate });
 
     const quickEntry = screen.getByTestId("quick-entry-box");
     const toolbar = document.querySelector(".list-toolbar");
-    const createArea = document.querySelector(".list-create-area");
+    const quickEntryArea = document.querySelector(".list-quick-entry-above-table");
+    const tableContainer = document.querySelector(".list-table-container");
 
     // QuickEntryBox should not be inside toolbar
     expect(toolbar?.contains(quickEntry)).toBe(false);
-    // QuickEntryBox should be inside create-area
-    expect(createArea?.contains(quickEntry)).toBe(true);
+    // QuickEntryBox should be inside the new quick-entry area
+    expect(quickEntryArea?.contains(quickEntry)).toBe(true);
+    // QuickEntryBox should be inside the table container (parent of quick-entry area)
+    expect(tableContainer?.contains(quickEntry)).toBe(true);
   });
 
   it("shows model selector button when QuickEntryBox is expanded", async () => {

packages/dashboard/app/styles.css

@@ -3527,6 +3527,19 @@ body {
   margin: 0 auto;
 }
 
+/* New class for QuickEntryBox positioned above the table in list view */
+.list-quick-entry-above-table {
+  width: 100%;
+  padding: var(--space-md) var(--space-xl);
+  background: var(--surface);
+  border-bottom: 1px solid var(--border);
+}
+
+.list-quick-entry-above-table .quick-entry-box {
+  max-width: 800px;
+  margin: 0 auto;
+}
+
 .list-column-dropdown {
   position: absolute;
   top: 100%;