Record onboarding UX and analytics delivery

docs/implementation.md

@@ -117,3 +117,8 @@ sink and a journey recorder; auth service decorators keep collection independent
 of widgets. A PostHog adapter can replace the sink later; no actual SDK or data
 transmission is included. The [journey contract](ux/auth-journeys.md) records event
 semantics, metrics, privacy constraints, windows, validation and limitations.
+
+Delivery: [PR #13](https://git.sendico.io/tech/sxchnge/pulls/13), `onboarding-12`.
+Implementation commit `f1cbf64`; 68 tests and affected-package analysis/formatting
+plus web build passed. Final browser verification confirms accessible recipient
+text and keyboard recovery. No merge or actual PostHog collection was performed.

docs/ux/auth-journeys.md

@@ -145,3 +145,7 @@ packages; the web build passes. Browser walkthrough at 390px covers internal-err
 hierarchy, secondary email recovery, actual Tab/Enter submission, and the demo
 sent screen. The heading is exposed as a live accessibility heading. Recipient
 text uses a normal text node to remain exposed to assistive technology.
+
+Delivered in [PR #13](https://git.sendico.io/tech/sxchnge/pulls/13), branch
+`onboarding-12`. The final browser accessibility tree exposes the recipient text,
+demo status, status heading and recovery actions. PR is open for review.