Record live Mol flood hazard validation

CHANGELOG.md

@@ -17,6 +17,8 @@
 - Added bounded tiled WCS 1.1 acquisition, multipart GeoTIFF extraction, exact
   Area clipping, centimetre-to-metre normalization and immutable provenance
   through existing Dataset, DatasetVersion and Job persistence.
+- Aligned WCS tiles to the observed VMM 4.88 MB generated-coverage limit by
+  using provider-safe 5 km requests and retaining readable XML exception text.
 - Added raster selection metrics for mapped inundated hectares/share,
   mean/P90/maximum local modeled depth and a strictly named maximum-depth area
   integral; permanent and concurrent water volume remain unsupported.
@@ -24,6 +26,13 @@
   MapLibre overlay, source inventory and source-grounded Ollama context.
 - Added the full-Mol operator, Unraid/runtime settings, focused GIS/API/UI/AI
   tests and documentation without a migration or new dependency.
+- Provisioned all twelve official scenarios on live Tower/PostGIS. Each ready
+  Mol Dataset has one immutable DatasetVersion; a second operator run reused
+  all twelve without duplicate persistence.
+- Browser validation confirmed the twelve-option scenario selector, raster
+  overlay, exact full-Mol metrics, no console errors or horizontal overflow at
+  1280 px and 3440 px, and strict separation between surface water and flood
+  hazard themes.
 
 ## Sprint 207 Governed DHMV II terrain foundation (2026-07-15)