chore(staging): integrate verified changes

Combine the Android API 36 release, dares loop, RevenueCat documentation correction, and daily engagement features. Resolve migration ordering and preserve both dares expiry and streak reminder operations.

docs/index.md

@@ -21,6 +21,7 @@ historical notes. Agents should load only the section relevant to their task.
 - [Subscriptions](subscription-system.md)
 - [Redemption codes](product/redemption.md)
 - [Mobile release process](releasing.md)
+- [Dares loop](dares-loop.md)
 
 ## Feature and implementation references
 
@@ -30,7 +31,7 @@ partially implemented states. Confirm claims against current code.
 - `admin-question-types-plan.md`
 - [Universal catalogue safety plan](product/catalog-content-safety-plan.md)
 - `content-balance-implementation.md`
-- `dares-feature.md`
+- `dares-feature.md` (superseded by [Dares loop](dares-loop.md))
 - `live-draw-feature-plan.md`
 - `NEW_QUESTION_TYPES.md`
 - `oversized-file-inventory.md`