chore(release): v1.30.0 — quality pass, document summaries, efficacy chart

Correctness (multi-source dedup, ordering, Strava sport, PR/correlations), medical-safety fixes, faster Today view, onboarding, app-wide year-on-dates, a metric catalog, a fuller backup, accessibility, and internal refactors — plus document auto-summaries and the medication efficacy chart.

docs/api/openapi.yaml

@@ -1,7 +1,7 @@
 openapi: 3.1.0
 info:
   title: HealthLog API
-  version: 1.29.5
+  version: 1.30.0
   description: >-
     Self-hosted personal-health-tracking PWA — public API surface for the iOS native client and external ingest.