feat(FN-3567): sync allowParallelExecution runtime toggle

Fixes FN-3567 by synchronizing the `allowParallelExecution` runtime toggle in the AgentDetailView component, adding one line to keep the setting in sync.

Fusion-Task-Id: FN-3567

packages/dashboard/app/components/AgentDetailView.tsx

@@ -3306,6 +3306,7 @@ function ConfigTab({
     setHeartbeatEnabled(deriveHeartbeatEnabled(agent.runtimeConfig));
     setAutoClaimRelevantTasksEnabled(deriveAutoClaimRelevantTasksEnabled(agent.runtimeConfig));
     setRunMissedHeartbeatOnStartup(deriveRunMissedHeartbeatOnStartup(agent.runtimeConfig));
+    setAllowParallelExecution(deriveAllowParallelExecution(agent.runtimeConfig));
     setBudgetValues(deriveBudgetValues(agent.runtimeConfig));
     setModelValue(initialModelValue);
     setSelectedRuntimeId(initialRuntimeHint);

packages/dashboard/app/components/Header.tsx

@@ -1473,17 +1473,6 @@ export function Header({
           </button>
         )}
 
-        {!isCompact && todosEnabled && onOpenTodos && (
-          <button
-            className={`btn-icon${todosOpen ? " btn-icon--active" : ""}`}
-            onClick={onOpenTodos}
-            title="Open todos"
-            data-testid="todos-toggle-btn"
-          >
-            <CheckSquare size={16} />
-          </button>
-        )}
-
         {/* Git Manager button - desktop only (moved to overflow on mobile/tablet) */}
         {!isCompact && onOpenGitManager && (
           <button

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

@@ -1687,10 +1687,11 @@ describe("App view switching", () => {
     render(<App />);
 
     await waitFor(() => {
-      expect(screen.getByTestId("todos-toggle-btn")).toBeInTheDocument();
+      expect(screen.getByTestId("view-toggle-overflow-trigger")).toBeInTheDocument();
     });
 
-    fireEvent.click(screen.getByTestId("todos-toggle-btn"));
+    fireEvent.click(screen.getByTestId("view-toggle-overflow-trigger"));
+    fireEvent.click(screen.getByTestId("view-overflow-todos"));
 
     await waitFor(() => {
       expect(screen.getByTestId("todo-view")).toBeInTheDocument();

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

@@ -381,21 +381,27 @@ describe("Header", () => {
     });
   });
 
-  describe("todos button", () => {
-    it("renders todos button on desktop when enabled", () => {
-      renderHeader({ onOpenTodos: vi.fn(), todosEnabled: true }, "desktop");
-      expect(screen.getByTitle("Open todos")).toBeDefined();
+  describe("todos navigation", () => {
+    it("shows Todos only in More views on desktop when enabled", () => {
+      renderHeader({ onChangeView: noop, onOpenTodos: vi.fn(), todosEnabled: true }, "desktop");
+      expect(screen.queryByTestId("todos-toggle-btn")).toBeNull();
+
+      fireEvent.click(screen.getByTestId("view-toggle-overflow-trigger"));
+      expect(screen.getAllByText("Todos")).toHaveLength(1);
+      expect(screen.getByTestId("view-overflow-todos")).toBeInTheDocument();
     });
 
-    it("does not render todos button when disabled", () => {
-      renderHeader({ onOpenTodos: vi.fn(), todosEnabled: false }, "desktop");
-      expect(screen.queryByTitle("Open todos")).toBeNull();
+    it("does not show Todos entry in More views when disabled", () => {
+      renderHeader({ onChangeView: noop, onOpenTodos: vi.fn(), todosEnabled: false }, "desktop");
+      fireEvent.click(screen.getByTestId("view-toggle-overflow-trigger"));
+      expect(screen.queryByTestId("view-overflow-todos")).toBeNull();
     });
 
-    it("calls onOpenTodos when clicked", () => {
+    it("calls onOpenTodos from More views", () => {
       const onOpenTodos = vi.fn();
-      renderHeader({ onOpenTodos, todosEnabled: true }, "desktop");
-      fireEvent.click(screen.getByTitle("Open todos"));
+      renderHeader({ onChangeView: noop, onOpenTodos, todosEnabled: true }, "desktop");
+      fireEvent.click(screen.getByTestId("view-toggle-overflow-trigger"));
+      fireEvent.click(screen.getByTestId("view-overflow-todos"));
       expect(onOpenTodos).toHaveBeenCalled();
     });
   });

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

@@ -105,6 +105,22 @@ describe("MobileNavBar", () => {
     expect(screen.queryByTestId("mobile-nav-tab-skills")).toBeNull();
   });
 
+  it("keeps Todos in the mobile More sheet when todoView is enabled", () => {
+    const onOpenTodos = vi.fn();
+    render(
+      <MobileNavBar
+        {...createDefaultProps()}
+        onOpenTodos={onOpenTodos}
+        experimentalFeatures={{ todoView: true }}
+      />,
+    );
+
+    fireEvent.click(screen.getByTestId("mobile-nav-tab-more"));
+    fireEvent.click(screen.getByTestId("mobile-more-item-todos"));
+
+    expect(onOpenTodos).toHaveBeenCalled();
+  });
+
   it("renders dependency graph as a top-level tab and keeps additional plugin views in More", () => {
     const props = createDefaultProps();
     render(