* ui: buy a badge in the app through the App Store or Google Play
* core, ios, android: create the badge store purchase record before the store charges
* core, ios, android: fixes from the store lane review
* ios, android: show a store purchase's badge only on the profile it was credited to
- redeem errors are typed (CEBadgeRedeemError) instead of matched by text in the apps
- service timeout (A_SERVICE) decodes in the apps and offers Retry via the existing retry alert
- unexpected redeem errors show the error itself instead of a generic message
- service error codes are a typed enum in the apps (BadgeServiceErrorCode)
- CRBadgeRedeemed returns badge state, so the apps skip a second round-trip after redeem
- setBadgeAlertAcked is scoped to user_id
- badgeChanged updates non-active profiles, so other profiles' badges don't go stale
- pitch banner is not shown to a profile that already has a badge
- one badgeTypeName per platform, used by the badge screen and the badge info alert
- BadgeAlertKind and BadgeAlertPrice decode via standard JSON, no custom decoders
- dead "Support ended" title branch removed from Your Badge view
- kotlin: users from badge responses carry remoteHostId
- kotlin: redeem code field keeps the IME's cursor and composition state
- kotlin: "Get your code" shown in all flavours
- kotlin: "Don't show again" -> "Dismiss", matching iOS
- kotlin: parseBadgeCode moved next to its FFI in platform/Core.kt
- kotlin: BadgesView no longer cross-fades on badge state updates
- kotlin: section title not uppercased
- ios: redeem code field parses once per change
- ios: A_SERVICE rejected reason is not decoded
- CLI: "cannot redeem badge code: ..." with the source of the error
- comments clarified
spaced4ndy