# Route Editing & Itinerary Generation

After completing the gap analysis, the system enters the "High-Level Route Planning" phase. This is your primary and most important point of manual intervention before generating the final detailed itinerary.

## 1. Route Editor

On this screen, you will see the initial "daily macro-directions and target cities" planned by the AI based on the requirements.

* **Drag & Drop**: If you are unsatisfied with the AI's order, you can grab the handle on the left side of a node and drag it up or down to change the day sequence.
* **Check Actual Dates**: Beneath each day node (e.g., Day 1), the actual calendar date (e.g., 2026-05-01) is displayed to help you cross-reference flights or hotel bookings.
* **Add Nodes**: If the client wants to stay an extra day, click "Add New Route" (加入新路線) at the bottom to manually input a city name and brief description.
* **Delete Nodes**: Hover over a node and click the trash can icon that appears on the right to delete it.

## 2. Generate Detailed Itinerary

Once you are satisfied with the macro route, click **"Confirm and Generate Detailed Itinerary"** (確認並生成詳細行程) at the bottom. This is a time-consuming AI operation (usually taking 10-30 seconds). A full-screen loading overlay will appear; please be patient.

## 3. Itinerary Editor

Upon completion, you will enter the final itinerary editor screen. This lists specific activities and meals for every morning, afternoon, and evening.

* **Left Editing Area**:
  * Click any activity card to directly modify the title, time, or description.
  * Click the "+" button at the top right of each day to add extra activities.
* **Right Recommendation Sheet**:
  * If you feel an AI-scheduled spot isn't good enough, open the right panel. The system will list locations from your "Favorites" that match the city.
  * You can directly **Drag and Drop** items from the right panel onto the left timeline to replace or add activities!
* **Generate Presentation Prompt**:
  * Click "Generate Presentation Prompt" (產生簡報提示詞) at the top. The system will extract key landmarks from the current itinerary and write a prompt you can copy-paste directly into Gemini Canvas or Gamma.app to generate a beautiful proposal presentation instantly.


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