fix: suppress startup dialogs when input is buffered (#423)

Co-authored-by: OpenClaude Worker 3 <worker-3@openclaude.local>

src/screens/replInputSuppression.ts

@@ -0,0 +1,6 @@
+export function isPromptTypingSuppressionActive(
+  isPromptInputActive: boolean,
+  inputValue: string,
+): boolean {
+  return isPromptInputActive || inputValue.trim().length > 0
+}