From 9b1b1505f0288fa4b9653e315a6b6311630230ff Mon Sep 17 00:00:00 2001
From: Jage9 <jj@bestmidi.com>
Date: Sun, 22 Feb 2026 21:33:11 -0500
Subject: [PATCH] Unify one-shot sample attack smoothing

---
 client/public/version.js        | 2 +-
 client/src/audio/audioEngine.ts | 7 +++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/client/public/version.js b/client/public/version.js
index 52de58e..a9fe6d1 100644
--- a/client/public/version.js
+++ b/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 R192";
+window.CHGRID_WEB_VERSION = "2026.02.22 R193";
 // Optional display timezone for timestamps. Falls back to America/Detroit if unset/invalid.
 window.CHGRID_TIME_ZONE = "America/Detroit";
diff --git a/client/src/audio/audioEngine.ts b/client/src/audio/audioEngine.ts
index e0db6cf..cfb4710 100644
--- a/client/src/audio/audioEngine.ts
+++ b/client/src/audio/audioEngine.ts
@@ -31,6 +31,7 @@ type SoundSpec = {
 type OutputMode = 'stereo' | 'mono';
 const SPATIAL_RAMP_SECONDS = 0.2;
 const SPATIAL_TIME_CONSTANT_SECONDS = SPATIAL_RAMP_SECONDS / 3;
+const ONE_SHOT_ATTACK_SECONDS = 0.02;
 
 export class AudioEngine {
   private audioCtx: AudioContext | null = null;
@@ -356,7 +357,8 @@ export class AudioEngine {
       const source = audioCtx.createBufferSource();
       source.buffer = buffer;
       const gainNode = audioCtx.createGain();
-      gainNode.gain.value = resolved.gain;
+      gainNode.gain.setValueAtTime(0, audioCtx.currentTime);
+      gainNode.gain.setTargetAtTime(resolved.gain, audioCtx.currentTime, ONE_SHOT_ATTACK_SECONDS);
       source.connect(gainNode);
       if (resolved.pan !== undefined && this.supportsStereoPanner() && this.outputMode === 'stereo') {
         const panner = audioCtx.createStereoPanner();
@@ -387,7 +389,8 @@ export class AudioEngine {
         gainNode.gain.setValueAtTime(0, audioCtx.currentTime);
         gainNode.gain.linearRampToValueAtTime(gain, audioCtx.currentTime + safeFadeMs / 1000);
       } else {
-        gainNode.gain.value = gain;
+        gainNode.gain.setValueAtTime(0, audioCtx.currentTime);
+        gainNode.gain.setTargetAtTime(gain, audioCtx.currentTime, ONE_SHOT_ATTACK_SECONDS);
       }
       source.connect(gainNode).connect(sfxGainNode);
       source.start();