Remove unsupported emit sound reverse option

client/public/version.js

@@ -1,5 +1,5 @@
 // Maintainer-controlled web client version.
 // Format: YYYY.MM.DD Rn (example: 2026.02.20 R2)
-window.CHGRID_WEB_VERSION = "2026.02.22 R138";
+window.CHGRID_WEB_VERSION = "2026.02.22 R139";
 // Optional display timezone for timestamps. Falls back to America/Detroit if unset/invalid.
 window.CHGRID_TIME_ZONE = "America/Detroit";

client/src/audio/itemEmitRuntime.ts

@@ -45,23 +45,13 @@ function setElementPreservesPitch(element: HTMLAudioElement, enabled: boolean):
   if ('webkitPreservesPitch' in target) target.webkitPreservesPitch = enabled;
 }
 
-function setElementPlaybackRate(element: HTMLAudioElement, playbackRate: number, reverse: boolean): void {
+function resolveEmitRates(item: WorldItem): { playbackRate: number; preservePitch: boolean } {
-  const targetRate = reverse ? -Math.abs(playbackRate) : Math.abs(playbackRate);
-  element.playbackRate = targetRate;
-  // Most browsers reject negative playbackRate for media elements; fall back gracefully.
-  if (reverse && element.playbackRate >= 0) {
-    element.playbackRate = Math.abs(playbackRate);
-  }
-}
-
-function resolveEmitRates(item: WorldItem): { playbackRate: number; preservePitch: boolean; reverse: boolean } {
   const globals = getItemTypeGlobalProperties(item.type);
   const speed = resolveEmitPlaybackRate(item.params.emitSoundSpeed ?? globals.emitSoundSpeed ?? 50);
   const tempo = resolveEmitPlaybackRate(item.params.emitSoundTempo ?? globals.emitSoundTempo ?? 50);
-  const reverse = item.params.emitSoundReverse === true || (item.params.emitSoundReverse === undefined && globals.emitSoundReverse === true);
   const playbackRate = Math.max(0.25, Math.min(4, speed * tempo));
   const preservePitch = Math.abs(speed - 1) < 0.001;
-  return { playbackRate, preservePitch, reverse };
+  return { playbackRate, preservePitch };
 }
 
 export class ItemEmitRuntime {
@@ -143,7 +133,7 @@ export class ItemEmitRuntime {
       const effectRuntime = connectEffectChain(audioCtx, effectInput, gain, effect, effectValue);
       const initialRates = resolveEmitRates(item);
       setElementPreservesPitch(element, initialRates.preservePitch);
-      setElementPlaybackRate(element, initialRates.playbackRate, initialRates.reverse);
+      element.playbackRate = initialRates.playbackRate;
       if (this.audio.supportsStereoPanner()) {
         panner = audioCtx.createStereoPanner();
         gain.connect(panner).connect(audioCtx.destination);
@@ -184,11 +174,8 @@ export class ItemEmitRuntime {
       const nextRates = resolveEmitRates(item);
       setElementPreservesPitch(output.element, nextRates.preservePitch);
       const nextPlaybackRate = nextRates.playbackRate;
-      const absCurrentRate = Math.abs(output.element.playbackRate);
+      if (Math.abs(output.element.playbackRate - nextPlaybackRate) > 0.001) {
-      const shouldReverse = nextRates.reverse;
+        output.element.playbackRate = nextPlaybackRate;
-      const isReverseNow = output.element.playbackRate < 0;
-      if (Math.abs(absCurrentRate - nextPlaybackRate) > 0.001 || isReverseNow !== shouldReverse) {
-        setElementPlaybackRate(output.element, nextPlaybackRate, shouldReverse);
       }
       const spatialConfig = this.getSpatialConfig(item);
       const mix = resolveSpatialMix({

client/src/items/itemRegistry.ts

@@ -52,15 +52,15 @@ const DEFAULT_ITEM_TYPE_EDITABLE_PROPERTIES: Record<ItemType, string[]> = {
   dice: ['title', 'sides', 'number'],
   wheel: ['title', 'spaces'],
   clock: ['title', 'timeZone', 'use24Hour'],
-  widget: ['title', 'enabled', 'directional', 'facing', 'emitRange', 'emitVolume', 'emitSoundSpeed', 'emitSoundTempo', 'emitSoundReverse', 'emitEffect', 'emitEffectValue', 'useSound', 'emitSound'],
+  widget: ['title', 'enabled', 'directional', 'facing', 'emitRange', 'emitVolume', 'emitSoundSpeed', 'emitSoundTempo', 'emitEffect', 'emitEffectValue', 'useSound', 'emitSound'],
 };
 
 const DEFAULT_ITEM_TYPE_GLOBAL_PROPERTIES: Record<ItemType, Record<string, string | number | boolean>> = {
-  radio_station: { useSound: 'none', emitSound: 'none', useCooldownMs: 1000, emitRange: 20, directional: true, emitSoundSpeed: 50, emitSoundTempo: 50, emitSoundReverse: false },
+  radio_station: { useSound: 'none', emitSound: 'none', useCooldownMs: 1000, emitRange: 20, directional: true, emitSoundSpeed: 50, emitSoundTempo: 50 },
-  dice: { useSound: 'sounds/roll.ogg', emitSound: 'none', useCooldownMs: 1000, emitRange: 15, directional: false, emitSoundSpeed: 50, emitSoundTempo: 50, emitSoundReverse: false },
+  dice: { useSound: 'sounds/roll.ogg', emitSound: 'none', useCooldownMs: 1000, emitRange: 15, directional: false, emitSoundSpeed: 50, emitSoundTempo: 50 },
-  wheel: { useSound: 'sounds/spin.ogg', emitSound: 'none', useCooldownMs: 4000, emitRange: 15, directional: false, emitSoundSpeed: 50, emitSoundTempo: 50, emitSoundReverse: false },
+  wheel: { useSound: 'sounds/spin.ogg', emitSound: 'none', useCooldownMs: 4000, emitRange: 15, directional: false, emitSoundSpeed: 50, emitSoundTempo: 50 },
-  clock: { useSound: 'none', emitSound: 'sounds/clock.ogg', useCooldownMs: 1000, emitRange: 10, directional: false, emitSoundSpeed: 50, emitSoundTempo: 50, emitSoundReverse: false },
+  clock: { useSound: 'none', emitSound: 'sounds/clock.ogg', useCooldownMs: 1000, emitRange: 10, directional: false, emitSoundSpeed: 50, emitSoundTempo: 50 },
-  widget: { useSound: 'none', emitSound: 'none', useCooldownMs: 1000, emitRange: 15, directional: false, emitSoundSpeed: 50, emitSoundTempo: 50, emitSoundReverse: false },
+  widget: { useSound: 'none', emitSound: 'none', useCooldownMs: 1000, emitRange: 15, directional: false, emitSoundSpeed: 50, emitSoundTempo: 50 },
 };
 
 export type ItemPropertyValueType = 'boolean' | 'text' | 'number' | 'list' | 'sound';
@@ -198,7 +198,6 @@ export function itemPropertyLabel(key: string): string {
   if (key === 'emitVolume') return 'emit volume';
   if (key === 'emitSoundSpeed') return 'emit sound speed';
   if (key === 'emitSoundTempo') return 'emit sound tempo';
-  if (key === 'emitSoundReverse') return 'emit sound reverse';
   if (key === 'mediaChannel') return 'media channel';
   if (key === 'mediaEffect') return 'media effect';
   if (key === 'mediaEffectValue') return 'media effect value';

client/src/main.ts

@@ -700,12 +700,6 @@ function getItemPropertyValue(item: WorldItem, key: string): string {
   if (key === 'useSound') return toSoundDisplayName(item.params.useSound ?? item.useSound);
   if (key === 'emitSound') return toSoundDisplayName(item.params.emitSound ?? item.emitSound);
   if (key === 'enabled') return item.params.enabled === false ? 'off' : 'on';
-  if (key === 'emitSoundReverse') {
-    if (typeof item.params.emitSoundReverse === 'boolean') {
-      return item.params.emitSoundReverse ? 'on' : 'off';
-    }
-    return getItemTypeGlobalProperties(item.type).emitSoundReverse === true ? 'on' : 'off';
-  }
   if (key === 'directional') {
     if (typeof item.params.directional === 'boolean') {
       return item.params.directional ? 'on' : 'off';
@@ -738,7 +732,7 @@ function getItemPropertyValue(item: WorldItem, key: string): string {
 
 function inferItemPropertyValueType(item: WorldItem, key: string): string | undefined {
   if (key === 'useSound' || key === 'emitSound') return 'sound';
-  if (key === 'enabled' || key === 'use24Hour' || key === 'directional' || key === 'emitSoundReverse') return 'boolean';
+  if (key === 'enabled' || key === 'use24Hour' || key === 'directional') return 'boolean';
   if (key === 'mediaChannel' || key === 'mediaEffect' || key === 'emitEffect' || key === 'timeZone') return 'list';
   if (
     key === 'x' ||
@@ -2053,13 +2047,6 @@ function handleItemPropertiesModeInput(code: string, key: string): void {
       audio.sfxUiBlip();
       return;
     }
-    if (key === 'emitSoundReverse') {
-      const nextEmitSoundReverse = item.params.emitSoundReverse !== true;
-      signaling.send({ type: 'item_update', itemId, params: { emitSoundReverse: nextEmitSoundReverse } });
-      updateStatus(`emit sound reverse: ${nextEmitSoundReverse ? 'on' : 'off'}`);
-      audio.sfxUiBlip();
-      return;
-    }
     if (key === 'use24Hour') {
       const nextUse24Hour = item.params.use24Hour !== true;
       signaling.send({ type: 'item_update', itemId, params: { use24Hour: nextUse24Hour } });
@@ -2144,15 +2131,6 @@ function handleItemPropertyEditModeInput(code: string, key: string, ctrlKey: boo
       }
       const directional = ['on', 'true', '1', 'yes'].includes(normalized);
       signaling.send({ type: 'item_update', itemId, params: { directional } });
-    } else if (propertyKey === 'emitSoundReverse') {
-      const normalized = value.toLowerCase();
-      if (!['on', 'off', 'true', 'false', '1', '0', 'yes', 'no'].includes(normalized)) {
-        updateStatus('emit sound reverse must be on or off.');
-        audio.sfxUiCancel();
-        return;
-      }
-      const emitSoundReverse = ['on', 'true', '1', 'yes'].includes(normalized);
-      signaling.send({ type: 'item_update', itemId, params: { emitSoundReverse } });
     } else if (propertyKey === 'mediaVolume') {
       const parsed = validateNumericItemPropertyInput(item, propertyKey, value, true);
       if (!parsed.ok) {

docs/item-schema.md

@@ -139,7 +139,6 @@
   "emitVolume": 100,
   "emitSoundSpeed": 50,
   "emitSoundTempo": 50,
-  "emitSoundReverse": false,
   "emitEffect": "off",
   "emitEffectValue": 50,
   "useSound": "",
@@ -154,7 +153,6 @@
 - `emitVolume`: integer, range `0-100`, default `100`.
 - `emitSoundSpeed`: integer, range `0-100`, default `50`; controls emitted sound speed/pitch (`0=0.5x`, `50=1.0x`, `100=2.0x`).
 - `emitSoundTempo`: integer, range `0-100`, default `50`; controls emitted sound tempo (`0=0.5x`, `50=1.0x`, `100=2.0x`).
-- `emitSoundReverse`: boolean (or `on/off` in updates), default `false`.
 - `emitEffect`: one of `reverb | echo | flanger | high_pass | low_pass | off`, default `off`.
 - `emitEffectValue`: number, range `0-100`, precision `0.1`, default `50`.
 - `useSound`: empty, filename (assumed under `sounds/`), or full URL.

docs/item-types.md

@@ -122,7 +122,6 @@ This is behavior-focused documentation for item types and their defaults.
   - `emitVolume=100`
   - `emitSoundSpeed=50`
   - `emitSoundTempo=50`
-  - `emitSoundReverse=false`
   - `emitEffect="off"`
   - `emitEffectValue=50`
   - `useSound=""`
@@ -135,7 +134,6 @@ This is behavior-focused documentation for item types and their defaults.
   - `directional=false`
   - `emitSoundSpeed=50`
   - `emitSoundTempo=50`
-  - `emitSoundReverse=false`
 
 ### Use
 - `use` toggles `enabled` on/off and plays `useSound` when configured.
@@ -148,7 +146,6 @@ This is behavior-focused documentation for item types and their defaults.
 - `emitVolume`: integer `0..100`
 - `emitSoundSpeed`: integer `0..100` (`0=0.5x`, `50=1.0x`, `100=2.0x`) for speed/pitch
 - `emitSoundTempo`: integer `0..100` (`0=0.5x`, `50=1.0x`, `100=2.0x`) for tempo
-- `emitSoundReverse`: boolean/on-off
 - `emitEffect`: `reverb | echo | flanger | high_pass | low_pass | off`
 - `emitEffectValue`: number `0..100` with `0.1` precision
 - `useSound`: empty, filename (assumed under `sounds/`), or full URL

docs/protocol-notes.md

@@ -44,7 +44,7 @@ This is a behavior guide for packet semantics beyond raw schemas.
   - `itemTypes[].editableProperties`: editable property keys by item type
   - `itemTypes[].propertyOptions`: menu options for property keys (for example clock `timeZone`)
   - `itemTypes[].propertyMetadata`: property-level metadata (`valueType`, optional `range`, optional `tooltip`)
-  - `itemTypes[].globalProperties`: non-editable global values (`useSound`, `emitSound`, `useCooldownMs`, `emitRange`, `directional`, `emitSoundSpeed`, `emitSoundTempo`, `emitSoundReverse`)
+  - `itemTypes[].globalProperties`: non-editable global values (`useSound`, `emitSound`, `useCooldownMs`, `emitRange`, `directional`, `emitSoundSpeed`, `emitSoundTempo`)
 
 - Clients keep local fallback defaults but should prefer server-provided metadata when present.
 

server/app/item_catalog.py

@@ -101,10 +101,6 @@ GLOBAL_ITEM_PROPERTY_METADATA: dict[str, dict[str, object]] = {
         "tooltip": "Global emitted sound tempo percent. 50 is normal.",
         "range": {"min": 0, "max": 100, "step": 1},
     },
-    "emitSoundReverse": {
-        "valueType": "boolean",
-        "tooltip": "Global emitted sound reverse flag.",
-    },
 }
 
 ITEM_TYPE_PROPERTY_METADATA: dict[ItemType, dict[str, dict[str, object]]] = {
@@ -140,5 +136,4 @@ def get_item_global_properties(item_type: ItemType) -> dict[str, str | int | boo
         "directional": bool(definition.directional),
         "emitSoundSpeed": 50,
         "emitSoundTempo": 50,
-        "emitSoundReverse": False,
     }

server/app/items/widget.py

@@ -19,7 +19,6 @@ EDITABLE_PROPERTIES: tuple[str, ...] = (
     "emitVolume",
     "emitSoundSpeed",
     "emitSoundTempo",
-    "emitSoundReverse",
     "emitEffect",
     "emitEffectValue",
     "useSound",
@@ -40,7 +39,6 @@ DEFAULT_PARAMS: dict = {
     "emitVolume": 100,
     "emitSoundSpeed": 50,
     "emitSoundTempo": 50,
-    "emitSoundReverse": False,
     "emitEffect": "off",
     "emitEffectValue": 50,
     "useSound": "",
@@ -77,10 +75,6 @@ PROPERTY_METADATA: dict[str, dict[str, object]] = {
         "tooltip": "Playback tempo percent for emitted sound. 50 is normal, 0 is half, 100 is double. Using speed and tempo together may sound weird.",
         "range": {"min": 0, "max": 100, "step": 1},
     },
-    "emitSoundReverse": {
-        "valueType": "boolean",
-        "tooltip": "Play emitted sound in reverse.",
-    },
     "emitEffect": {"valueType": "list", "tooltip": "Effect applied to emitted sound."},
     "emitEffectValue": {
         "valueType": "number",
@@ -160,12 +154,6 @@ def validate_update(item: WorldItem, next_params: dict) -> dict:
         raise ValueError("emitSoundTempo must be between 0 and 100.")
     next_params["emitSoundTempo"] = emit_tempo
 
-    emit_reverse = parse_bool_like(
-        next_params.get("emitSoundReverse", item.params.get("emitSoundReverse", False)),
-        default=False,
-    )
-    next_params["emitSoundReverse"] = emit_reverse
-
     emit_effect = str(next_params.get("emitEffect", item.params.get("emitEffect", "off"))).strip().lower()
     if emit_effect not in EFFECT_OPTIONS:
         raise ValueError("emitEffect must be one of reverb, echo, flanger, high_pass, low_pass, off.")

server/tests/test_item_use_cooldown.py

@@ -294,7 +294,6 @@ async def test_widget_update_and_use(monkeypatch: pytest.MonkeyPatch) -> None:
                     "emitVolume": 42,
                     "emitSoundSpeed": 25,
                     "emitSoundTempo": 60,
-                    "emitSoundReverse": True,
                     "emitEffect": "reverb",
                     "emitEffectValue": 63.2,
                     "useSound": "ping.ogg",
@@ -310,7 +309,6 @@ async def test_widget_update_and_use(monkeypatch: pytest.MonkeyPatch) -> None:
     assert item.params.get("emitVolume") == 42
     assert item.params.get("emitSoundSpeed") == 25
     assert item.params.get("emitSoundTempo") == 60
-    assert item.params.get("emitSoundReverse") is True
     assert item.params.get("emitEffect") == "reverb"
     assert item.params.get("emitEffectValue") == 63.2
     assert item.params.get("useSound") == "sounds/ping.ogg"
@@ -341,10 +339,3 @@ async def test_widget_update_and_use(monkeypatch: pytest.MonkeyPatch) -> None:
     )
     assert send_payloads[-1].ok is False
     assert "emitsoundtempo must be between 0 and 100" in send_payloads[-1].message.lower()
-
-    await server._handle_message(
-        client,
-        json.dumps({"type": "item_update", "itemId": item.id, "params": {"emitSoundReverse": "off"}}),
-    )
-    assert send_payloads[-1].ok is True
-    assert item.params.get("emitSoundReverse") is False