6. Understand the arbitration
luastra/navigation · luastra/host · navigation.history · about 20 minutesmodal → history → exit
Navigation.decideBack defines priority; the application performs one matching host response for each fresh intent.
When to use it
Read this before adding a modal or another local navigation layer.
- Dismiss application-owned modal state and acknowledge handled.
- Delegate to host history when a previous route exists.
- Request exit only at the application root where the platform supports it.
- Ignore malformed or repeated intent values; never respond twice to one intent.