Fix emit replay looping and add PgUp/PgDn option stepping

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 = "2026.02.28 R303";
+window.CHGRID_WEB_VERSION = "2026.02.28 R304";
 // Optional display timezone for timestamps. Falls back to America/Detroit if unset/invalid.
 window.CHGRID_TIME_ZONE = "America/Detroit";

client/src/audio/itemEmitRuntime.ts

@@ -311,6 +311,13 @@ export class ItemEmitRuntime {
         // Ignore stale media reload failures.
       }
     }
+    if (element.ended || (Number.isFinite(element.duration) && element.duration > 0 && element.currentTime >= element.duration - 0.01)) {
+      try {
+        element.currentTime = 0;
+      } catch {
+        // Ignore reset failures for streams/seeking-restricted media.
+      }
+    }
     void element
       .play()
       .then(() => {

client/src/items/itemPropertyEditor.ts

@@ -353,6 +353,16 @@ export function createItemPropertyEditor(deps: EditorDeps): {
       return;
     }
 
+    if (code === 'PageUp' || code === 'PageDown') {
+      const length = deps.state.itemPropertyOptionValues.length;
+      const delta = code === 'PageUp' ? -10 : 10;
+      const nextIndex = (deps.state.itemPropertyOptionIndex + delta + length * 1000) % length;
+      deps.state.itemPropertyOptionIndex = nextIndex;
+      deps.updateStatus(deps.state.itemPropertyOptionValues[nextIndex]);
+      deps.sfxUiBlip();
+      return;
+    }
+
     const control = handleListControlKey(
       code,
       key,

docs/controls.md

@@ -74,6 +74,7 @@ This document is the authoritative keymap for the client.
 Applies to effect select, user/item list modes, item selection, item property list, and property option select.
 
 - `ArrowUp` / `ArrowDown`: Move selection
+- `PageUp` / `PageDown` in item property option select: Jump 10 options backward/forward
 - `ArrowLeft` / `ArrowRight` in user list: Lower/raise selected user listen volume (`0.5..4.0`)
 - `Enter`: Confirm selection
 - `Escape`: Exit/cancel