Merge branch 'main' into fix/remove-operator-hud-layout

src/app/embed.test.mjs

@@ -146,6 +146,12 @@ test('an embedded page takes views only from its parent and answers it', async (
     id: 3,
     view: { camera: { lat: 1, lon: 2 }, layers: ['flights'] },
   });
+  // A view kept from before Snow was retired still applies, on Normal.
+  send(parent, {
+    type: 'gev:view',
+    id: 4,
+    view: { camera: { lat: 1, lon: 2 }, style: 'snow' },
+  });
   await new Promise((resolve) => setTimeout(resolve, 10));
   assert.deepEqual(posted[1], {
     type: 'gev:view-applied',
@@ -161,6 +167,13 @@ test('an embedded page takes views only from its parent and answers it', async (
         name === 'set_layer_visibility' && args.layerId === 'flights',
     ),
   );
+  assert.equal(posted[3].id, 4);
+  assert.equal(posted[3].ok, true);
+  assert.ok(
+    calls.some(
+      ([name, args]) => name === 'set_visual_style' && args.style === 'normal',
+    ),
+  );
   assert.equal(posted.filter((message) => message.id === 1).length, 0);
   // Ready names no data and goes to any parent; answers go only to the
   // origin that asked.
@@ -168,6 +181,7 @@ test('an embedded page takes views only from its parent and answers it', async (
     '*',
     'https://host.example',
     'https://host.example',
+    'https://host.example',
   ]);
   remove();
 });

src/celestialRing.test.mjs

@@ -87,7 +87,7 @@ test('circular angle distance remains small across the wrap point', () => {
 
 test('celestial ring is available only in Normal style', () => {
   assert.equal(isCelestialRingStyleSupported('normal'), true);
-  for (const style of ['retro', 'surveillance', 'thermal', 'anime', 'noir', 'snow']) {
+  for (const style of ['retro', 'surveillance', 'thermal', 'anime', 'noir']) {
     assert.equal(isCelestialRingStyleSupported(style), false);
   }
 });

src/cockpitMarkup.test.mjs

@@ -151,7 +151,7 @@ test('Cockpit vision cycle exposes every map preset exactly once', () => {
   );
   assert.match(
     setVisionMode.toString(),
-    /const labels = \{\s*optical: t\('NORMAL'\),\s*crt: t\('CRT'\),\s*nvg: t\('NVG'\),\s*thermal: t\('FLIR'\),\s*anime: t\('ANIME'\),\s*noir: t\('NOIR'\),\s*snow: t\('SNOW'\),?\s*\};/,
+    /const labels = \{\s*optical: t\('NORMAL'\),\s*crt: t\('CRT'\),\s*nvg: t\('NVG'\),\s*thermal: t\('FLIR'\),\s*anime: t\('ANIME'\),\s*noir: t\('NOIR'\),?\s*\};/,
   );
   assert.doesNotMatch(setVisionMode.toString(), /none: 'NONE'/);
   assert.doesNotMatch(ui, /getInheritedVisionLabel/);

src/cockpitVisionPolicy.js

@@ -5,7 +5,6 @@ export const COCKPIT_VISION_MODES = Object.freeze([
   'thermal',
   'anime',
   'noir',
-  'snow',
 ]);
 
 const TARGET_STYLE_BY_MODE = Object.freeze({
@@ -14,7 +13,6 @@ const TARGET_STYLE_BY_MODE = Object.freeze({
   thermal: 'thermal',
   anime: 'anime',
   noir: 'noir',
-  snow: 'snow',
 });
 
 const COCKPIT_MODE_BY_STYLE = Object.freeze({
@@ -24,7 +22,6 @@ const COCKPIT_MODE_BY_STYLE = Object.freeze({
   thermal: 'thermal',
   anime: 'anime',
   noir: 'noir',
-  snow: 'snow',
 });
 
 /** Normalize a requested Cockpit vision mode to the unfiltered Normal entry. */

src/cockpitVisionPolicy.test.mjs

@@ -23,7 +23,6 @@ test('Cockpit vision order mirrors the unique map preset order', () => {
     'thermal',
     'anime',
     'noir',
-    'snow',
   ]);
   assert.equal(normalizeCockpitVisionMode('none'), 'optical');
   assert.equal(normalizeCockpitVisionMode('unknown'), 'optical');
@@ -36,7 +35,7 @@ test('Cockpit entry selects the vision mode equivalent to the active map style',
   assert.equal(cockpitVisionModeForStyle('thermal'), 'thermal');
   assert.equal(cockpitVisionModeForStyle('anime'), 'anime');
   assert.equal(cockpitVisionModeForStyle('noir'), 'noir');
-  assert.equal(cockpitVisionModeForStyle('snow'), 'snow');
+  assert.equal(cockpitVisionModeForStyle('snow'), 'optical');
   assert.equal(cockpitVisionModeForStyle('unsupported'), 'optical');
 });
 

src/data/trafficPresetStyle.js

@@ -20,7 +20,7 @@
  *    jam keeps a size bump so queues read as fat beads.
  *  - `crt` (retro): saturated primaries that survive 10-level posterization
  *    plus an all-bucket size boost to out-shout the pixel grid.
- *  - `normal` (normal/anime/snow/unknown): every lookup returns null/0 —
+ *  - `normal` (normal/anime/unknown): every lookup returns null/0 —
  *    the shipped palette and sizing apply untouched.
  *
  * Sim/uncovered dots (bucket null/'sim') are NEVER restyled under any

src/data/trafficPresetStyle.test.mjs

@@ -13,7 +13,7 @@ const luma = ([r, g, b]) => (0.299 * r + 0.587 * g + 0.114 * b) / 255;
 
 const BUCKETS = ['free', 'slow', 'jam'];
 const MONO_STYLES = ['surveillance', 'thermal', 'noir'];
-const NORMAL_STYLES = ['normal', 'anime', 'snow', 'does-not-exist', '', undefined, null];
+const NORMAL_STYLES = ['normal', 'anime', 'does-not-exist', '', undefined, null];
 
 test('profile mapping: NVG/FLIR/noir are mono, retro is crt, everything else normal', () => {
   for (const s of MONO_STYLES) assert.equal(trafficStyleProfile(s), 'mono', s);

src/data/transitPresetStyle.js

@@ -18,7 +18,7 @@
  *    black sprite with a light ring is what a hot object looks like there.
  *  - `crt` (retro): saturated per-mode colours that survive posterisation,
  *    a size boost to out-shout the pixel grid, and a thinner halo.
- *  - `normal` (normal/anime/snow/unknown): every lookup returns the shipped
+ *  - `normal` (normal/anime/unknown): every lookup returns the shipped
  *    value — mode colour, shipped size, hairline edge only.
  *
  * Brackets are a different matter. The detection canvas composites ABOVE the

src/data/transitPresetStyle.test.mjs

@@ -17,7 +17,6 @@ test('profile mapping: NVG/FLIR/noir and cockpit nvg are mono, retro is crt, eve
   for (const plain of [
     'normal',
     'anime',
-    'snow',
     'minecraft',
     '',
     null,

src/director/document.test.mjs

@@ -135,6 +135,15 @@ test('document byte, nesting, collection, finite-number and string bounds are en
   );
 });
 
+test('a shot saved with the retired Snow style migrates to Normal', () => {
+  const project = fixture();
+  project.scenes[0].shots[0].visual = { style: 'snow' };
+  const migrated = normalizeProject(
+    parseSceneDocument(JSON.stringify(project)),
+  );
+  assert.equal(migrated.scenes[0].shots[0].visual.style, 'normal');
+});
+
 test('captured scope and extended detection edits survive migration', () => {
   const project = fixture();
   project.scenes[0].shots[0].visual = {

src/firstRunExperience.test.mjs

@@ -1036,6 +1036,19 @@ test('the voice TOOL SCHEMA matches the pinned contract — the mission mapping
     'rotate_globe',
     'stop',
   ]);
+  // Snow is retired from set_visual_style; restore it to keep the legacy pin.
+  const visualStyle = legacyTools.find(
+    (tool) => tool.name === 'set_visual_style',
+  ).parameters.properties.style;
+  assert.deepEqual(visualStyle.enum, [
+    'normal',
+    'retro',
+    'surveillance',
+    'thermal',
+    'anime',
+    'noir',
+  ]);
+  visualStyle.enum = [...visualStyle.enum, 'snow'];
   const block = JSON.stringify(legacyTools);
   // Re-derived for the voice layer manifest (generated layer enums, alias and
   // field hints), point-and-ask's pointer/referent arguments and the prompt

src/hud.js

@@ -76,7 +76,6 @@ const MODE_LABELS = Object.freeze({
   thermal: msg('FLIR'),
   anime: msg('ANIME'),
   noir: msg('NOIR'),
-  snow: msg('SNOW'),
 });
 
 /** Region ids from _regionLabel() and the name shown for each. */

src/i18n/locales/es.json

@@ -66,8 +66,6 @@
   "Anime": "Anime",
   "Apply high-contrast monochrome film-noir grading.": "Aplica una gradación monocroma de alto contraste estilo film noir.",
   "Noir": "Noir",
-  "Add a cold, snowy whiteout treatment to the scene.": "Añade a la escena un tratamiento frío de ventisca blanca.",
-  "Snow": "Nieve",
   "MAP SOURCE": "FUENTE DEL MAPA",
   "Map source": "Fuente del mapa",
   "Style": "Estilo",

src/i18n/locales/it.json

@@ -1700,7 +1700,6 @@
   "Thermal": "Termico",
   "Anime": "Anime",
   "Noir": "Noir",
-  "Snow": "Neve",
   "Current cockpit vision style: {style}. Activate for next style.": "Stile di visione attuale del cockpit: {style}. Attiva per lo stile successivo.",
   "Current style: {style} — click for next": "Stile attuale: {style}. Clic per il successivo",
   "Collapse Contact panel": "Comprimi il pannello Contatto",
@@ -2781,7 +2780,6 @@
   "Simulate FLIR-style thermal contrast. Turn up Ironbow for color.": "Simula il contrasto termico in stile FLIR. Alza Ironbow per il colore.",
   "Apply bright cel-shaded color and illustrated outlines.": "Applica colori vivaci cel-shaded e contorni illustrati.",
   "Apply high-contrast monochrome film-noir grading.": "Applica un color grading noir monocromatico ad alto contrasto.",
-  "Add a cold, snowy whiteout treatment to the scene.": "Aggiungi alla scena un effetto freddo di nevicata e whiteout.",
   "MAP SOURCE": "FONTE MAPPA",
   "Map source": "Fonte mappa",
   "Style": "Stile",

src/i18n/locales/pt.json

@@ -1700,7 +1700,6 @@
   "Thermal": "Térmico",
   "Anime": "Anime",
   "Noir": "Noir",
-  "Snow": "Neve",
   "Current cockpit vision style: {style}. Activate for next style.": "Estilo atual de visão da cabine: {style}. Ative para o próximo estilo.",
   "Current style: {style} — click for next": "Estilo atual: {style} — clique para o próximo",
   "Collapse Contact panel": "Recolher painel de contato",
@@ -2783,7 +2782,6 @@
   "Simulate FLIR-style thermal contrast. Turn up Ironbow for color.": "Simular contraste térmico estilo FLIR. Aumente o Ironbow para ter cor.",
   "Apply bright cel-shaded color and illustrated outlines.": "Aplicar cores vivas em cel shading e contornos ilustrados.",
   "Apply high-contrast monochrome film-noir grading.": "Aplicar gradação monocromática de filme noir com alto contraste.",
-  "Add a cold, snowy whiteout treatment to the scene.": "Adicionar à cena um efeito frio de nevasca branca.",
   "MAP SOURCE": "FONTE DO MAPA",
   "Map source": "Fonte do mapa",
   "Style": "Estilo",

src/i18n/locales/ru.json

@@ -416,7 +416,6 @@
   "Thermal": "Тепловизор",
   "Anime": "Аниме",
   "Noir": "Нуар",
-  "Snow": "Снег",
   "Current cockpit vision style: {style}. Activate for next style.": "Текущий стиль обзора кабины: {style}. Активируйте, чтобы переключить на следующий.",
   "Current style: {style} — click for next": "Текущий стиль: {style} — нажмите для следующего",
   "AIRCRAFT": "САМОЛЁТ",
@@ -690,7 +689,6 @@
   "Simulate FLIR-style thermal contrast. Turn up Ironbow for color.": "Имитирует тепловой контраст в стиле FLIR. Для цвета увеличьте Ironbow.",
   "Apply bright cel-shaded color and illustrated outlines.": "Применяет яркие cel-shading-цвета и рисованные контуры.",
   "Apply high-contrast monochrome film-noir grading.": "Применяет высококонтрастную монохромную цветокоррекцию в стиле нуар.",
-  "Add a cold, snowy whiteout treatment to the scene.": "Добавляет в сцену холодный снежный эффект «белой мглы».",
   "Expand LOCATION": "Развернуть панель «Место»",
   "Collapse panel": "Свернуть панель",
   "Pin location tray": "Закрепить панель места",

src/i18n/locales/uk.json

@@ -1723,7 +1723,6 @@
   "Thermal": "Тепловізор",
   "Anime": "Аніме",
   "Noir": "Нуар",
-  "Snow": "Сніг",
   "Current cockpit vision style: {style}. Activate for next style.": "Поточний візуальний стиль у кабіні: {style}. Активуйте, щоб перейти до наступного.",
   "Current style: {style} — click for next": "Поточний стиль: {style} — клацніть для наступного",
   "Collapse Contact panel": "Згорнути панель контактів",
@@ -2850,7 +2849,6 @@
   "Simulate FLIR-style thermal contrast. Turn up Ironbow for color.": "Імітує тепловий контраст у стилі FLIR. Для кольору збільште Ironbow.",
   "Apply bright cel-shaded color and illustrated outlines.": "Застосовує яскраву мультяшну заливку та ілюстровані контури.",
   "Apply high-contrast monochrome film-noir grading.": "Застосовує висококонтрастну чорно-білу обробку в стилі нуар.",
-  "Add a cold, snowy whiteout treatment to the scene.": "Додає до сцени холодний ефект снігової імли.",
   "MAP SOURCE": "ДЖЕРЕЛО КАРТИ",
   "Map source": "Джерело карти",
   "Style": "Стиль",

src/i18n/locales/zh-CN.json

@@ -1626,7 +1626,6 @@
   "Thermal": "热成像",
   "Anime": "动漫",
   "Noir": "黑白",
-  "Snow": "雪景",
   "Current cockpit vision style: {style}. Activate for next style.": "当前座舱视觉样式：{style}。点击可切换到下一个样式。",
   "Current style: {style} — click for next": "当前样式：{style}——点击切换到下一个",
   "Collapse Contact panel": "收起目标面板",
@@ -2537,7 +2536,6 @@
   "Simulate FLIR-style thermal contrast. Turn up Ironbow for color.": "模拟 FLIR 风格的热成像对比。调高 Ironbow 可显示色彩。",
   "Apply bright cel-shaded color and illustrated outlines.": "应用明亮的赛璐珞色彩和插画轮廓线。",
   "Apply high-contrast monochrome film-noir grading.": "应用高对比度的黑白电影风格调色。",
-  "Add a cold, snowy whiteout treatment to the scene.": "为场景添加寒冷的暴雪白化效果。",
   "MAP SOURCE": "地图源",
   "Map source": "地图源",
   "Style": "样式",

src/i18n/locales/zh-Hant.json

@@ -1616,7 +1616,6 @@
   "Thermal": "熱成像",
   "Anime": "動漫",
   "Noir": "黑白",
-  "Snow": "雪景",
   "Current cockpit vision style: {style}. Activate for next style.": "當前座艙視覺樣式：{style}。點擊可切換到下一個樣式。",
   "Current style: {style} — click for next": "當前樣式：{style}——點擊切換到下一個",
   "Collapse Contact panel": "收起目標面板",
@@ -2525,7 +2524,6 @@
   "Simulate FLIR-style thermal contrast. Turn up Ironbow for color.": "模擬 FLIR 風格的熱成像對比。調高 Ironbow 可顯示色彩。",
   "Apply bright cel-shaded color and illustrated outlines.": "應用明亮的賽璐珞色彩和插畫輪廓線。",
   "Apply high-contrast monochrome film-noir grading.": "應用高對比度的黑白電影風格調色。",
-  "Add a cold, snowy whiteout treatment to the scene.": "為場景添加寒冷的暴雪白化效果。",
   "MAP SOURCE": "地圖源",
   "Map source": "地圖源",
   "Style": "樣式",

src/radioMarkup.test.mjs

@@ -240,6 +240,19 @@ test('no unchanged Realtime tool definition drifts silently', () => {
     'Direct the camera like a drone operator: orbit the current view target, pan, tilt, or rotate — one bounded nudge (mode=once) or continuous motion until stopped (mode=continuous). Continuous motion also stops on any manual camera input or when a navigation tool runs. Say the RESULTING state when confirming ("Orbiting slowly").';
   camera.parameters.properties.direction.description =
     'Required except for orbit (defaults right/clockwise) and stop.';
+  // Snow is retired from set_visual_style; restore it to keep the legacy pin.
+  const visualStyle = unchanged.find(
+    (tool) => tool.name === 'set_visual_style',
+  ).parameters.properties.style;
+  assert.deepEqual(visualStyle.enum, [
+    'normal',
+    'retro',
+    'surveillance',
+    'thermal',
+    'anime',
+    'noir',
+  ]);
+  visualStyle.enum = [...visualStyle.enum, 'snow'];
   assert.equal(unchanged.length, 14);
   const digest = createHash('sha256')
     .update(JSON.stringify(unchanged))

src/scenes/project.js

@@ -7,6 +7,7 @@ import {
   BLOOM_SCALE_VERSION,
   decodeBloomIntensity,
 } from '../bloom.js';
+import { RETIRED_STYLES } from '../visualStylePolicy.js';
 
 /** @constant {number} Current schema version for project migration */
 export const PROJECT_VERSION = SCENE_DOCUMENT_VERSION;
@@ -262,7 +263,9 @@ export function normalizeShot(
     ...(rawShot?.dataPackIds ? { dataPackIds: [...rawShot.dataPackIds] } : {}),
     ...(rawShot?.move ? { move: deepClone(rawShot.move) } : {}),
     visual: {
-      style: visual.style || 'normal',
+      style: RETIRED_STYLES.includes(visual.style)
+        ? 'normal'
+        : visual.style || 'normal',
       bloom: normalizeBloomState(bloom, {
         projectVersion,
         fallbackIntensity: 50,

src/share/legacyShareState.test.mjs

@@ -107,6 +107,13 @@ test('the HAL example survives the round trip and shrinks to 39 characters', ()
   );
 });
 
+test('a long-form link to the retired Snow style opens as Normal', () => {
+  const snow = parseLegacy('v=2&lat=1&lon=2&style=snow&sp=d.90_w.20');
+  const normal = parseLegacy('v=2&lat=1&lon=2');
+  assert.equal(snow.style, 'normal');
+  assert.deepEqual(snow.styleParams, normal.styleParams);
+});
+
 test('links from earlier long-form versions keep their historical meaning', () => {
   for (const hash of [
     'lat=10&lon=20',

src/share/viewCodec.js

@@ -31,6 +31,7 @@ import {
 } from '../data/detectionPolicy.js';
 import { clampScopeFeatherPct } from '../scopeMaskPolicy.js';
 import { VIEW_STYLES } from '../view/index.js';
+import { RETIRED_STYLES } from '../visualStylePolicy.js';
 import {
   GLOBAL_POST_DEFAULTS,
   STYLE_PRESET_DEFAULTS,
@@ -101,7 +102,7 @@ export const SHARE_VIEW_ENUMS = Object.freeze({
     'thermal',
     'anime',
     'noir',
-    'snow',
+    'snow', // retired (RETIRED_STYLES): decodes as Normal
   ]),
   mapStack: Object.freeze([
     'photoreal',
@@ -221,10 +222,6 @@ export const SHARE_VIEW_STYLE_PARAMS = Object.freeze({
     { key: 'grainAmt', token: 'g', min: 0, max: 1 },
     { key: 'vignetteAmt', token: 'v', min: 0, max: 1 },
   ]),
-  snow: freezeAll([
-    { key: 'density', token: 'd', min: 0, max: 1 },
-    { key: 'wind', token: 'w', min: 0, max: 1 },
-  ]),
 });
 
 /**
@@ -1321,8 +1318,12 @@ export function decodeShareView(code, { nowMs = Date.now() } = {}) {
         return { ok: false, reason: 'out-of-range' };
     }
 
+    // A retired style's code stays reserved: the view opens on Normal, and
+    // parameters written for it are dropped rather than reported as unknown.
+    const retiredStyle = RETIRED_STYLES.includes(raw.style);
     if (raw.style !== undefined && !VIEW_STYLES.includes(raw.style)) {
-      if (get('style').len) unknown.code('enum:style', raw.style);
+      if (get('style').len && !retiredStyle)
+        unknown.code('enum:style', raw.style);
       raw.style = undefined;
     }
     for (const key of ['hudVariant', 'mapStack']) {
@@ -1357,7 +1358,7 @@ export function decodeShareView(code, { nowMs = Date.now() } = {}) {
       unknown.code('layer-option', 'without-layers');
     if (get('panelState'))
       raw.panelState = decodePanels(get('panelState').len, unknown);
-    if (get('styleParams'))
+    if (get('styleParams') && !retiredStyle)
       raw.styleParams = decodeStyleParams(
         get('styleParams').len,
         raw.style ?? 'normal',

src/share/viewCodec.test.mjs

@@ -2,6 +2,7 @@ import { test } from 'node:test';
 import assert from 'node:assert/strict';
 import {
   LAYER_STATE_REGISTRY,
+  LAYER_STATE_TOKEN_ALPHABET,
   LAYER_STATE_TOKEN_RESERVATIONS,
   REGISTERED_LAYER_IDS,
   createDefaultLayerState,
@@ -558,7 +559,6 @@ test('the field registry is well formed and permanent', () => {
       ...common,
       styleParams: { contrastAmt: 1.2, grainAmt: 0.5, vignetteAmt: 0.5 },
     },
-    snow: { ...common, styleParams: { density: 0.6, wind: 0.5 } },
   });
   assert.deepEqual(
     SHARE_VIEW_ENTITY_KINDS.map((e) => [e.code, e.kind]),
@@ -975,6 +975,29 @@ test('enum names outside the code tables travel as text', () => {
   ]);
 });
 
+test('links to the retired Snow style open as Normal', () => {
+  const snowCode = SHARE_VIEW_ENUMS.style.indexOf('snow');
+  assert.equal(snowCode, 6, 'a retired code is never reused');
+  const params = new WireWriter()
+    .varint(LAYER_STATE_TOKEN_ALPHABET.indexOf('d'))
+    .varint(90)
+    .varint(LAYER_STATE_TOKEN_ALPHABET.indexOf('w'))
+    .varint(20)
+    .finish();
+  for (const writeStyle of [
+    (writer) => writer.uintField(14, snowCode),
+    (writer) => writer.textField(14, 'snow'),
+  ]) {
+    const writer = new WireWriter();
+    writer.bytes.push(1);
+    writeStyle(writer);
+    writer.bytesField(27, params);
+    const { state, unknownFields } = decodeOk(hashOf(writer.finish()));
+    assert.deepEqual(state, normalizeShareViewState({}));
+    assert.equal(unknownFields, undefined);
+  }
+});
+
 /* ---------------- integrity ---------------- */
 
 test('malformed input is rejected with a reason, never thrown', () => {

src/styles/snow.js

@@ -1,97 +0,0 @@
-import { msg } from '../i18n/marker.js';
-
-/**
- * Snow Style — White overlay + Desaturation + Falling particles
- * Transforms the world into a winter wonderland
- */
-export const snowShader = {
-  name: 'snow',
-  uniforms: {
-    density: { default: 0.6, min: 0, max: 1, label: msg('Density') },
-    wind: { default: 0.5, min: 0, max: 1, label: msg('Wind') },
-  },
-  fragmentShader: /* glsl */ `
-    uniform sampler2D colorTexture;
-    uniform vec2 colorTextureDimensions;
-    uniform float intensity;
-    uniform float time;
-    uniform float density;
-    uniform float wind;
-    in vec2 v_textureCoordinates;
-
-    // Hash function for pseudo-random snow
-    float hash(vec2 p) {
-      p = fract(p * vec2(123.34, 456.21));
-      p += dot(p, p + 45.32);
-      return fract(p.x * p.y);
-    }
-
-    // Layered snow particles
-    float snowLayer(vec2 uv, float layer) {
-      float depth = 0.5 + layer * 0.5;
-      float speed = 0.4 + layer * 0.3;
-      float size = mix(0.01, 0.025, layer);
-      float windForce = 0.05 + wind * 0.2;
-
-      vec2 snowUV = uv * vec2(1.0, 0.5) * (4.0 + layer * 4.0);
-      snowUV.y += time * speed;
-      // Offset is the integral of a swaying velocity sin(time * 0.5 + phase) * windForce,
-      // so the sway stays bounded however long the app has been running.
-      snowUV.x -= 2.0 * cos(time * 0.5 + layer * 3.14) * windForce;
-
-      vec2 cell = floor(snowUV);
-      vec2 f = fract(snowUV);
-
-      float snow = 0.0;
-      // Check neighboring cells for smooth particles
-      for (int y = -1; y <= 1; y++) {
-        for (int x = -1; x <= 1; x++) {
-          vec2 neighbor = vec2(float(x), float(y));
-          vec2 point = vec2(hash(cell + neighbor), hash(cell + neighbor + 100.0));
-          // Animate particle position slightly
-          point = 0.5 + 0.4 * sin(time * 0.3 + 6.2831 * point);
-          float d = length(f - neighbor - point);
-          snow += smoothstep(size, 0.0, d) * depth;
-        }
-      }
-      return snow;
-    }
-
-    void main() {
-      vec2 uv = v_textureCoordinates;
-      vec4 color = texture(colorTexture, uv);
-
-      // Cool/blue color shift
-      vec3 cool = color.rgb * vec3(0.85, 0.9, 1.1);
-
-      // Desaturate partially
-      float luma = dot(cool, vec3(0.299, 0.587, 0.114));
-      vec3 desaturated = mix(cool, vec3(luma), 0.4 * intensity);
-
-      // Brighten (snow coverage lightens everything)
-      vec3 brightened = mix(desaturated, vec3(1.0), 0.15 * intensity);
-
-      // Add white frost overlay on brighter areas
-      float frostMask = smoothstep(0.3, 0.8, luma);
-      vec3 frosted = mix(brightened, vec3(0.95, 0.97, 1.0), frostMask * 0.25 * intensity);
-
-      // Accumulate snow particle layers (density controls amount)
-      float snow = 0.0;
-      snow += snowLayer(uv, 0.0) * 0.5;
-      snow += snowLayer(uv, 0.25) * 0.6;
-      snow += snowLayer(uv, 0.5) * 0.7;
-      snow += snowLayer(uv, 0.75) * 0.8;
-      snow += snowLayer(uv, 1.0) * 1.0;
-      snow = clamp(snow * (0.4 + density * 1.2), 0.0, 1.0);
-
-      // Composite snow particles
-      vec3 result = frosted + snow * 0.8 * intensity;
-
-      // Subtle fog in lower areas
-      float fog = smoothstep(0.0, 0.4, 1.0 - uv.y) * 0.1 * intensity;
-      result = mix(result, vec3(0.85, 0.88, 0.95), fog);
-
-      out_FragColor = vec4(mix(color.rgb, result, intensity), color.a);
-    }
-  `,
-};

src/ui/applicationShell.js

@@ -1598,7 +1598,7 @@ export class StyleManager extends ShellFacade {
    * 2. Crossfades the new shader stage intensity to 1.
    * 3. Applies style preset defaults (bloom/sharpen/HUD) if applyPreset is true.
    * 4. Updates button highlights, style indicator, slider panel, HUD, and detection overlay.
-   * @param {string} styleName - Target style ('normal'|'retro'|'surveillance'|'thermal'|'anime'|'noir'|'snow').
+   * @param {string} styleName - Target style ('normal'|'retro'|'surveillance'|'thermal'|'anime'|'noir').
    * @param {object} [options]
    * @param {boolean} [options.applyPreset=true] - Whether to apply STYLE_PRESET_DEFAULTS for the new style.
    * @param {boolean} [options.userInitiated=false] - Whether a direct user preset choice owns the Cyber exit style.

src/ui/applicationShortcuts.js

@@ -5,7 +5,6 @@ const STYLE_KEYS = Object.freeze({
   4: 'thermal',
   5: 'anime',
   6: 'noir',
-  7: 'snow',
 });
 
 /**

src/ui/cockpitInstruments.js

@@ -268,7 +268,6 @@ export function setVisionMode(mode, { revealParameters = false } = {}) {
     thermal: t('FLIR'),
     anime: t('ANIME'),
     noir: t('NOIR'),
-    snow: t('SNOW'),
   };
   const names = {
     optical: t('Normal'),
@@ -277,7 +276,6 @@ export function setVisionMode(mode, { revealParameters = false } = {}) {
     thermal: t('Thermal'),
     anime: t('Anime'),
     noir: t('Noir'),
-    snow: t('Snow'),
   };
   if (this.visionCurrent) {
     this.visionCurrent.dataset.cockpitVision = next;

src/ui/cyberTheme.test.mjs

@@ -106,7 +106,6 @@ test('visual styles retain Cyber through real preset application without droppin
     'normal',
     'noir',
     'anime',
-    'snow',
     'thermal',
     'retro',
   ]) {
@@ -163,8 +162,8 @@ test('a preset explicitly selected in Cyber survives exit and resets for re-entr
   owner.setStyle('noir');
 
   owner._setHudVariant('cyber', { applyVisualDefaults: true });
-  owner.setStyle('snow', { userInitiated: true });
-  assert.equal(owner.activeStyle, 'snow');
+  owner.setStyle('anime', { userInitiated: true });
+  assert.equal(owner.activeStyle, 'anime');
   assert.equal(owner._preCyberStyle, 'noir');
   assert.equal(owner._cyberStyleUserSelected, true);
 
@@ -180,9 +179,9 @@ test('a preset explicitly selected in Cyber survives exit and resets for re-entr
   // A later untouched Cyber round trip restores the new pre-Cyber preset.
   owner._setHudVariant('cyber', { applyVisualDefaults: true });
   assert.equal(owner.activeStyle, 'thermal');
-  assert.equal(owner._preCyberStyle, 'snow');
+  assert.equal(owner._preCyberStyle, 'anime');
   owner._setHudVariant('minimal', { applyVisualDefaults: true });
-  assert.equal(owner.activeStyle, 'snow');
+  assert.equal(owner.activeStyle, 'anime');
 });
 
 test('an explicit same-value FLIR choice is preserved on Cyber exit', (t) => {
@@ -201,11 +200,11 @@ test('an authoritative same-Cyber reset clears local preset ownership', (t) => {
   const { owner } = styleOwner(t, 'tactical');
   owner.setStyle('noir');
   owner._setHudVariant('cyber', { applyVisualDefaults: true });
-  owner.setStyle('snow', { userInitiated: true });
+  owner.setStyle('anime', { userInitiated: true });
   assert.equal(owner._cyberStyleUserSelected, true);
 
   owner._setHudVariant('cyber');
-  assert.equal(owner.activeStyle, 'snow');
+  assert.equal(owner.activeStyle, 'anime');
   assert.equal(owner._preCyberStyle, null);
   assert.equal(owner._cyberStyleUserSelected, false);
   owner._setHudVariant('minimal', { applyVisualDefaults: true });
@@ -227,10 +226,10 @@ test('Display and voice HUD routes preserve explicit Cyber entry and exit author
   const display = makeOwner();
   const hudLayout = new EventTarget();
   hudLayout.value = 'cyber';
-  const snowButton = new EventTarget();
-  snowButton.dataset = { style: 'snow' };
+  const animeButton = new EventTarget();
+  animeButton.dataset = { style: 'anime' };
   const controls = bindDisplayControls({
-    elements: { hudLayout, styleButtons: [snowButton] },
+    elements: { hudLayout, styleButtons: [animeButton] },
     actions: {
       setHudLayout: (value) => display.owner.setHudLayout(value),
       setStyle: (value) =>
@@ -264,7 +263,7 @@ test('Display and voice HUD routes preserve explicit Cyber entry and exit author
   assert.equal(entered.ok, true);
   assert.equal(voice.hud.getVariant(), 'cyber');
   assert.equal(voice.owner.activeStyle, 'thermal');
-  const selected = await runVoiceAction('set_visual_style', { style: 'snow' });
+  const selected = await runVoiceAction('set_visual_style', { style: 'anime' });
   assert.equal(selected.ok, true);
   assert.equal(voice.owner.activeStyle, 'snow');
   const exited = await runVoiceAction('set_hud', { layout: 'minimal' });
@@ -302,11 +301,18 @@ test('scope choice and expanded feather survive every HUD layout and both restor
   assert.equal(owner._scopeFeatherSlider.value, '200');
 });
 
+test('a scene shot saved with the retired Snow style plays on Normal', async (t) => {
+  const { owner } = styleOwner(t, 'tactical');
+  owner.setStyle('noir');
+  await owner.applyVisualState({ style: 'snow' });
+  assert.equal(owner.activeStyle, 'normal');
+});
+
 test('scene and share HUD transitions do not restore a local pre-Cyber preset', async (t) => {
   const { owner, hud } = styleOwner(t, 'tactical');
   owner.setStyle('noir');
   owner._setHudVariant('cyber', { applyVisualDefaults: true });
-  owner.setStyle('snow', { userInitiated: true });
+  owner.setStyle('anime', { userInitiated: true });
   assert.equal(owner._cyberStyleUserSelected, true);
 
   await owner.applyVisualState({ style: 'retro', hud: { variant: 'cyber' } });
@@ -320,7 +326,7 @@ test('scene and share HUD transitions do not restore a local pre-Cyber preset',
   owner.setStyle('surveillance');
   owner._setHudVariant('cyber', { applyVisualDefaults: true });
   assert.equal(owner._preCyberStyle, 'surveillance');
-  owner.setStyle('snow', { userInitiated: true });
+  owner.setStyle('anime', { userInitiated: true });
   await owner.restoreShareState({
     style: 'thermal',
     hudVariant: 'cyber',

src/ui/scenePresentation.js

@@ -12,7 +12,6 @@ const STYLE_LABELS = Object.freeze({
   thermal: msg('FLIR'),
   anime: msg('ANIME'),
   noir: msg('NOIR'),
-  snow: msg('SNOW'),
 });
 
 const DETECTION_MODE_LABELS = Object.freeze({

src/ui/styles/cyber.css

@@ -747,12 +747,6 @@
   .btn-icon::before {
   content: '◐';
 }
-:root[data-ui-theme='cyber']
-  #command-dock
-  .style-btn[data-style='snow']
-  .btn-icon::before {
-  content: '❄︎';
-}
 
 :root[data-ui-theme='cyber'] :where(#bloom-toggle, #sharpen-toggle) {
   font-size: 0;

src/ui/templates/command-dock.html

@@ -43,11 +43,6 @@
           <span class="btn-label" data-i18n>Noir</span>
           <span class="btn-key">6</span>
         </button>
-        <button class="style-btn" data-style="snow" title="Add a cold, snowy whiteout treatment to the scene." data-i18n-title>
-          <span class="btn-icon">❄</span>
-          <span class="btn-label" data-i18n>Snow</span>
-          <span class="btn-key">7</span>
-        </button>
       </div>
       <section class="map-source-section" aria-labelledby="map-source-label">
         <div class="map-source-heading">

src/ui/visualEffects.test.mjs

@@ -77,7 +77,7 @@ test('construction is inert and initialization creates one owned pipeline', () =
   assert.equal(f.frames.size, 0);
   f.effects.initStyles();
   f.effects.initPostProcess();
-  assert.equal(f.stages.size, 7);
+  assert.equal(f.stages.size, 6);
   assert.ok(
     Object.values(f.effects.stages).every(
       (stage) => !stage.enabled && stage.uniforms.intensity === 0,
@@ -85,7 +85,7 @@ test('construction is inert and initialization creates one owned pipeline', () =
   );
   f.effects.initStyles();
   f.effects.initPostProcess();
-  assert.equal(f.stages.size, 7);
+  assert.equal(f.stages.size, 6);
   f.effects.destroy();
 });
 
@@ -252,7 +252,7 @@ test('stop revokes pending work immediately but retains stages until final destr
   assert.equal(f.frames.size, 0);
   assert.equal(
     f.stages.size,
-    7,
+    6,
     'Context and Cockpit may still be releasing these stages',
   );
   const intensity = f.effects.stages.retro.uniforms.intensity;
@@ -281,7 +281,7 @@ test('destroying one instance does not remove another pipeline or clock', () =>
   a.effects.destroy();
   b.tick(250);
   assert.equal(a.stages.size, 0);
-  assert.equal(b.stages.size, 6);
+  assert.equal(b.stages.size, 5);
   assert.equal(b.effects.stages.retro.uniforms.intensity, 0.5);
   b.effects.destroy();
 });

src/ui/visualInput.test.mjs

@@ -73,13 +73,13 @@ function shortcuts() {
   return { documentRef, searchInput, calls, controller, press };
 }
 
-test('number keys retain the seven style mappings', () => {
+test('number keys retain the six style mappings', () => {
   const f = shortcuts();
   for (const key of ['1', '2', '3', '4', '5', '6', '7', '8', 'Space'])
     f.press(key);
   assert.deepEqual(
     f.calls,
-    ['normal', 'retro', 'surveillance', 'thermal', 'anime', 'noir', 'snow'].map(
+    ['normal', 'retro', 'surveillance', 'thermal', 'anime', 'noir'].map(
       (style) => ['setStyle', style],
     ),
   );

src/ui/visualPresets.js

@@ -1,7 +1,6 @@
 import { retroShader } from '../styles/retro.js';
 import { animeShader } from '../styles/anime.js';
 import { noirShader } from '../styles/noir.js';
-import { snowShader } from '../styles/snow.js';
 import { nightVisionShader } from '../styles/surveillance.js';
 import { thermalShader } from '../styles/thermal.js';
 import { BLOOM_INTENSITY_DEFAULT } from '../bloom.js';
@@ -16,7 +15,6 @@ export const STYLES = {
   thermal: thermalShader,
   anime: animeShader,
   noir: noirShader,
-  snow: snowShader,
 };
 
 /**
@@ -156,5 +154,4 @@ export const STYLE_STATUS_LABELS = {
   thermal: msg('FLIR'),
   anime: msg('ANIME'),
   noir: msg('NOIR'),
-  snow: msg('SNOW'),
 };

src/ui/visualSettings.js

@@ -1,6 +1,7 @@
 import { clampScopeFeatherPct } from '../scopeMaskPolicy.js';
 import { syncScopeControls } from './displayControls.js';
 import { STYLE_STATUS_LABELS } from './visualPresets.js';
+import { RETIRED_STYLES } from '../visualStylePolicy.js';
 import { syncSegmentedControl } from './segmentedControl.js';
 import { t } from '../i18n/index.js';
 import { UiLifetime } from './uiLifetime.js';
@@ -1272,8 +1273,9 @@ export class VisualSettings {
     const superseded = () => typeof isCurrent === 'function' && !isCurrent();
     if (superseded()) return false;
 
-    if (state.style && state.style !== this.activeStyle) {
-      this.setStyle(state.style, { applyPreset: false });
+    const style = RETIRED_STYLES.includes(state.style) ? 'normal' : state.style;
+    if (style && style !== this.activeStyle) {
+      this.setStyle(style, { applyPreset: false });
     }
 
     const bloomState = state.bloom || {};

src/view/index.js

@@ -11,6 +11,7 @@ import {
   decodeLayerStateParams,
   encodeLayerStateParams,
 } from '../data/layerState.js';
+import { RETIRED_STYLES } from '../visualStylePolicy.js';
 
 /** Visual styles by internal name, with the name share links use. */
 export const STYLE_URL_NAMES = Object.freeze({
@@ -20,7 +21,6 @@ export const STYLE_URL_NAMES = Object.freeze({
   thermal: 'flir',
   anime: 'anime',
   noir: 'noir',
-  snow: 'snow',
 });
 
 const STYLES_BY_URL_NAME = Object.freeze(
@@ -254,6 +254,7 @@ export function createView({
 } = {}) {
   if (!Number.isFinite(camera?.lat) || !Number.isFinite(camera?.lon))
     throw new TypeError('A view needs a camera lat and lon');
+  if (RETIRED_STYLES.includes(style)) style = 'normal';
   if (style !== null && !VIEW_STYLES.includes(style))
     throw new TypeError(`Unknown view style: ${style}`);
   if (map !== null && !VIEW_MAPS.includes(map))
@@ -370,9 +371,11 @@ export function viewFromParams(params) {
       pitch_deg: number('pitch'),
     },
     layers: state?.enabledLayerIds ?? [],
-    style: Object.hasOwn(STYLES_BY_URL_NAME, params.get('style'))
-      ? STYLES_BY_URL_NAME[params.get('style')]
-      : null,
+    style: RETIRED_STYLES.includes(params.get('style'))
+      ? 'normal'
+      : Object.hasOwn(STYLES_BY_URL_NAME, params.get('style'))
+        ? STYLES_BY_URL_NAME[params.get('style')]
+        : null,
     map: VIEW_MAPS.includes(map) ? map : null,
     follow,
     annotations: annotationsFromParams(params),

src/view/index.test.mjs

@@ -127,6 +127,14 @@ test('annotations travel in the link, keeping only what the app draws', async ()
   assert.equal(viewToParams(many).has('an'), false);
 });
 
+test('a view naming the retired Snow style opens on Normal', () => {
+  const camera = { lat: 1, lon: 2 };
+  assert.equal(createView({ camera, style: 'snow' }).style, 'normal');
+  const view = viewFromParams(new URLSearchParams('lat=1&lon=2&style=snow'));
+  assert.equal(view.style, 'normal');
+  assert.equal(viewToParams(view).get('style'), 'normal');
+});
+
 test('inherited and unknown style keys do not corrupt a restored view', () => {
   for (const style of [
     'constructor',

src/visualStylePolicy.js

@@ -0,0 +1,7 @@
+/**
+ * Browser-free style vocabulary shared by views, share links and the UI.
+ * Styles the app no longer offers, by the name share links used: a view,
+ * link, scene or shot that names one opens on Normal instead of keeping
+ * whatever style was already showing.
+ */
+export const RETIRED_STYLES = Object.freeze(['snow']);

src/voice/actionSchemas.js

@@ -248,15 +248,7 @@ const schemas = [
       properties: {
         style: {
           type: 'string',
-          enum: [
-            'normal',
-            'retro',
-            'surveillance',
-            'thermal',
-            'anime',
-            'noir',
-            'snow',
-          ],
+          enum: ['normal', 'retro', 'surveillance', 'thermal', 'anime', 'noir'],
         },
       },
       required: ['style'],

src/voice/gevActions.js

@@ -66,7 +66,6 @@ const ALLOWED_STYLES = new Set([
   'thermal',
   'anime',
   'noir',
-  'snow',
 ]);
 const PANEL_ALIASES = new Map([
   ['data', 'data-panel'],