[Epic] Mobile Session Replay

[bruno-garcia]

We started 2024 by building our Mobile Session Replay product.

For Discussion on the topic please refer to:

• https://github.com/getsentry/sentry/discussions/63138

We also track SDK specific support on their specific repositories:

• https://github.com/getsentry/sentry-java/issues/2476
• https://github.com/getsentry/sentry-cocoa/issues/2616
• https://github.com/getsentry/sentry-react-native/issues/2703
• https://github.com/getsentry/sentry-dart/issues/1193
• https://github.com/getsentry/sentry-dotnet/issues/2136

Private Alpha

• https://github.com/getsentry/sentry/issues/63255

Open Beta

• https://github.com/getsentry/sentry/issues/70065

Future areas of work:

### Post Open Beta stuff
- [ ] Capture request/response body and send along with Network spans
- [ ] iOS: Document multi click needs swizzling: https://docs.sentry.io/platforms/apple/guides/ios/configuration/swizzling/
- [ ] SDKs: Switch breadcrumbs logic to use beforeBreadcrumb callback + hint and storing rrweb breadcrumbs in replay

### UI: Mobile Replay - GA
- [ ] https://github.com/getsentry/sentry/issues/69230
- [ ] https://github.com/getsentry/sentry/issues/67695
- [ ] https://github.com/getsentry/sentry/issues/69256
- [ ] https://github.com/getsentry/sentry/issues/72231

### UI: Mobile Replay - Post-GA
- [ ] [Replay Details - UI] Surface gaps in the playback (e.g. if segment creation failed or other reasons)
- [ ] [Replay Details - UI] Surface soft keyboard interactions (e.g. based on `ui.input` breadcrumb)

### SDKs
- [ ] Offline support

[getsantry[bot]]

Routing to @getsentry/product-owners-replays for triage ⏲️