fix(raw): refine RAW highlight clipping threshold to preserve sunset sun color without white dome clipping

docker/frontend/public/sw.js

@@ -10,7 +10,7 @@
 // hashed bundle with it, which the STATIC rule below then served cache-first
 // forever. Every navigation here now goes past the browser's own cache, so the
 // build a visitor gets is the one the server has.
-const VERSION = 'recipescam-v8';
+const VERSION = 'recipescam-v9';
 
 // nginx answers all three with the same index.html (SPA fallback), so they are one
 // document under three keys: an offline navigation finds it whichever key it asks.

docker/frontend/scripts/raw-develop-check.mjs

@@ -38,7 +38,7 @@ assert.match(code, /float3 lin = n \* mul\.rgb;/);
 // with both, mean |dL| 21.5 against 11.1.
 assert.match(
   code,
-  /float hi = max\(max\(n\.r, n\.g\), n\.b\);\s*hi = max\(hi, max\(max\(lin\.r, lin\.g\), lin\.b\)\);\s*rgb = mix\(rgb, float3\(mx\), smoothstep\(0\.95, 1\.0, hi\)\);/
+  /float hi = max\(max\(n\.r, n\.g\), n\.b\);\s*hi = max\(hi, max\(max\(lin\.r, lin\.g\), lin\.b\)\);\s*rgb = mix\(rgb, float3\(mx\), smoothstep\(0\.99, 1\.02, hi\)\);/
 );
 
 // The inverse is built on the CPU side and has to be the first uniform of the

docker/frontend/src/engine/rawDevelop.ts

@@ -145,7 +145,7 @@ half4 main(float2 pos) {
   // The matrix was fitted luma-preserving, so mx is the value to hold.
   float hi = max(max(n.r, n.g), n.b);
   hi = max(hi, max(max(lin.r, lin.g), lin.b));
-  rgb = mix(rgb, float3(mx), smoothstep(0.95, 1.0, hi));
+  rgb = mix(rgb, float3(mx), smoothstep(0.99, 1.02, hi));
   // The overflow used to fade towards white — mix(rgb / mx, 1, 1 - 1 / mx) —
   // which put every pixel of a blown sky on exactly 1.0 and threw the two stops
   // the sensor held above white away with it: LIGHT's HIGHLIGHT row then had a