feat(mobile): simplify triage quick dump capture and convert priority to 4 buttons across tasks

frontend/src/App.tsx

@@ -1034,9 +1034,11 @@ export const App: React.FC = () => {
             <div className="flex items-center justify-between pb-3 border-b border-border mb-3">
               <div className="flex items-center gap-2">
                 <div className="w-6 h-6 rounded-btn bg-accent/15 text-accent flex items-center justify-center">
-                  <Plus className="w-4 h-4" />
+                  {activeTab === 'triage' ? <Layers className="w-4 h-4" /> : <Plus className="w-4 h-4" />}
                 </div>
-                <h3 className="text-sm font-semibold text-main">Schnell erfassen</h3>
+                <h3 className="text-sm font-semibold text-main">
+                  {activeTab === 'triage' ? 'Quick Dump erfassen' : 'Schnell erfassen'}
+                </h3>
               </div>
               <button
                 type="button"
@@ -1052,6 +1054,8 @@ export const App: React.FC = () => {
               <InstantCaptureBar
                 inlineOptions={true}
                 defaultShowOptions={true}
+                hideTargetPicker={activeTab === 'triage'}
+                fixedTarget={activeTab === 'triage' ? 'inbox' : undefined}
                 onCaptured={(thought, target) => {
                   handleCaptured(thought, target);
                   setShowMobileCapture(false);