chore(release): HealthChat 1.6.0

HEALTHCHAT_CHANGES.md

@@ -7,6 +7,21 @@ in <version>` section and uses it as the body of the GitHub Release.
 One section per released version, newest on top. Upstream element-hq
 `CHANGELOG.md` is kept separate and untouched.
 
+## Changes in 1.6.0 (2026-07-29)
+
+🙌 Improvements
+
+- Upgraded the bundled HealthChat workspace plugin to v1.2.0: the user directory
+  search is now gated on approval, so unapproved accounts no longer appear in
+  search results.
+
+🧹 Internal
+
+- Desktop installers and the auto-update feed are now hosted at
+  `https://packages.healthchat.ch/desktop/`. Already-installed apps keep updating:
+  releases are also published to the legacy `https://healthchat.ch/packages/desktop/`
+  feed until all clients are on a build that knows the new address.
+
 ## Changes in 1.5.0 (2026-07-28)
 
 🙌 Improvements