feat(FN-2518): add remote TUI settings controls and routing

- Wire remote dashboard route contracts into CLI/TUI state and controller flows
- Add remote settings interaction UX in dashboard and dashboard-tui command paths
- Expand regression coverage for remote TUI behavior in dashboard and app test suites
- Document remote TUI controls and QR behavior in the CLI reference
- Add a changeset for @runfusion/fusion patch release

packages/cli/src/commands/dashboard-tui/controller.ts

@@ -61,6 +61,7 @@ export class DashboardTUI {
   private lastAutoKillAt = 0;
   interactiveData: InteractiveData | null = null;
   interactiveView: InteractiveView = "board";
+  interactiveInputLocked = false;
 
   // Subscribers registered by the Ink App component.
   private subscribers: Set<() => void> = new Set();
@@ -119,6 +120,7 @@ export class DashboardTUI {
       mode: this.mode,
       interactiveData: this.interactiveData,
       interactiveView: this.interactiveView,
+      interactiveInputLocked: this.interactiveInputLocked,
       autoKillVitestOnPressure: this.autoKillVitestOnPressure,
       vitestKillThreshold: this.vitestKillThreshold,
     };
@@ -324,6 +326,12 @@ export class DashboardTUI {
     this.notify();
   }
 
+  setInteractiveInputLocked(locked: boolean): void {
+    if (this.interactiveInputLocked === locked) return;
+    this.interactiveInputLocked = locked;
+    this.notify();
+  }
+
   addLog(entry: Omit<LogEntry, "timestamp">): void {
     // If the cursor was sitting on the most recent entry (or there were no
     // entries yet), keep it pinned to the new tail so live logs follow the