chore(release): 0.15.0 — operator authentication (version, CHANGELOG split, SW cache, test isolation)

backend/static/sw.js

@@ -8,7 +8,7 @@
 // PWA users actually receive the new bundles instead of being stuck on
 // the pre-bump version.  Convention: keep it in sync with the Terra-View
 // version string in backend/main.py.
-const CACHE_VERSION = 'v0.13.2';
+const CACHE_VERSION = 'v0.15.0';
 const STATIC_CACHE = `sfm-static-${CACHE_VERSION}`;
 const DYNAMIC_CACHE = `sfm-dynamic-${CACHE_VERSION}`;
 const DATA_CACHE = `sfm-data-${CACHE_VERSION}`;