Force fresh radio stream start to avoid stale buffered audio

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 = "2026.02.21 R103";
+window.CHGRID_WEB_VERSION = "2026.02.21 R104";
 // Optional display timezone for timestamps. Falls back to America/Detroit if unset/invalid.
 window.CHGRID_TIME_ZONE = "America/Detroit";

client/src/audio/radioStationRuntime.ts

@@ -107,6 +107,11 @@ function connectRadioChannelSource(
   };
 }
 
+function freshStreamUrl(streamUrl: string): string {
+  const separator = streamUrl.includes('?') ? '&' : '?';
+  return `${streamUrl}${separator}chgrid_start=${Date.now()}`;
+}
+
 export class RadioStationRuntime {
   private readonly sharedRadioSources = new Map<string, SharedRadioSource>();
   private readonly itemRadioOutputs = new Map<string, ItemRadioOutput>();
@@ -251,7 +256,7 @@ export class RadioStationRuntime {
     }
     const audioCtx = this.audio.context;
     if (!audioCtx) return null;
-    const element = new Audio(streamUrl);
+    const element = new Audio(freshStreamUrl(streamUrl));
     element.crossOrigin = 'anonymous';
     element.loop = true;
     element.preload = 'none';