Upgrade priority framework
Rank tools by what they unlock: stamina saved per day, new materials, farm expansion, route access, restoration progress, and money generation. Exact rankings must wait for tool costs and mechanics.
Upgrade table fields
| Field | Use |
|---|---|
| Tool and level | Tracks each upgrade tier. |
| Material cost | Links to item sources and restoration conflicts. |
| Benefit | Shows stamina, area, range, speed, or material unlock. |
| Recommended timing | Turns data into a decision guide. |