light: AUTO and the shipped recipes ride the halved knobs too — AUTO's ceiling doubles with them so a blown frame still comes back the way it did, and each recipe's HIGHLIGHT/SHADOW doubles so its look stays on the knot it was tuned to

docker/frontend/shared/utils/defaultRecipes.ts

@@ -95,6 +95,12 @@ export function filmSimToRecipe(sim: FilmSim): Recipe {
   };
 }
 
+// The shipped recipes. HIGHLIGHT and SHADOW here are written in the KNOB's unit,
+// and both knobs ride HALF an anchor per unit (see a1/a3 in toneShader.ts), so a
+// recipe that wants a given roll-off asks for double what the knot move reads —
+// the same note FILM_TONE carries. The look is the knot, not the number, which is
+// why these were doubled when the two knobs' reach was halved: a recipe that had
+// its highlights rolled to 0.70 still rolls them there.
 export const DEFAULT_RECIPES: Recipe[] = [
   {
     id: 'classic-neg-default',
@@ -106,8 +112,8 @@ export const DEFAULT_RECIPES: Recipe[] = [
       saturation: -1,
       temperature: 6300,
       tint: 2,
-      highlight: -2,
-      shadow: 1,
+      highlight: -4,
+      shadow: 2,
       denoise: 1,
       clarity: 2,
       grain: 4,
@@ -130,8 +136,8 @@ export const DEFAULT_RECIPES: Recipe[] = [
       saturation: 3,
       temperature: 5500,
       tint: 0,
-      highlight: 1,
-      shadow: -1,
+      highlight: 2,
+      shadow: -2,
       denoise: 2,
       clarity: 4,
       grain: 1,
@@ -208,8 +214,8 @@ export const DEFAULT_RECIPES: Recipe[] = [
       saturation: 1,
       temperature: 7500,
       tint: -2,
-      highlight: -3,
-      shadow: 2,
+      highlight: -6,
+      shadow: 4,
       denoise: 3,
       clarity: -2,
       grain: 5,
@@ -233,8 +239,8 @@ export const DEFAULT_RECIPES: Recipe[] = [
       saturation: 1,
       temperature: 5800,
       tint: 0,
-      highlight: -1,
-      shadow: 1,
+      highlight: -2,
+      shadow: 2,
       denoise: 2,
       clarity: 1,
       grain: 3,
@@ -258,8 +264,8 @@ export const DEFAULT_RECIPES: Recipe[] = [
       saturation: 2,
       temperature: 6000,
       tint: -1,
-      highlight: 1,
-      shadow: -1,
+      highlight: 2,
+      shadow: -2,
       denoise: 1,
       clarity: 2,
       grain: 2,
@@ -283,8 +289,8 @@ export const DEFAULT_RECIPES: Recipe[] = [
       saturation: 2,
       temperature: 7200,
       tint: -2,
-      highlight: -2,
-      shadow: 1,
+      highlight: -4,
+      shadow: 2,
       denoise: 2,
       clarity: 0,
       grain: 4,
@@ -308,8 +314,8 @@ export const DEFAULT_RECIPES: Recipe[] = [
       saturation: -2,
       temperature: 4500,
       tint: 2,
-      highlight: -2,
-      shadow: 2,
+      highlight: -4,
+      shadow: 4,
       denoise: 3,
       clarity: -2,
       grain: 3,