Method navigateUp

extensions/cli/src/util/inputHistory.ts:74–86

(currentInput: string)

  }

  navigateUp(currentInput: string): string | null {
    if (this.history.length === 0) return null;

    // Store original input on first navigation
    if (this.currentIndex === -1) {
      this.originalInput = currentInput;
      this.currentIndex = 0;
    } else if (this.currentIndex < this.history.length - 1) {
      this.currentIndex++;
    }

    return this.history[this.currentIndex]?.text || null;
  }

  navigateDown(): string | null {
    if (this.currentIndex === -1) return null;