release: v1.32.0 — hardening and scalability (#580)

* release: prepare v1.32.0

* test: stabilize water capture re-entry

docs/api/openapi.yaml

@@ -1,7 +1,7 @@
 openapi: 3.1.0
 info:
   title: HealthLog API
-  version: 1.31.8
+  version: 1.32.0
   description: >-
     Self-hosted personal-health-tracking PWA — public API surface for the iOS native client and external ingest.