Clean release snapshot

tests/js/audio_session_stems_bridge.test.js

@@ -0,0 +1,18 @@
+const { test } = require('node:test');
+const assert = require('node:assert/strict');
+const { loadAudioSession, runBrowserScript, installMixerDom } = require('./audio_session_test_harness');
+
+test('Stems master-volume compatibility bridge hit is attributed through audio session', async () => {
+    const window = loadAudioSession();
+    const calls = [];
+    installMixerDom(window);
+    window.slopsmith.stems = { setMasterVolume(value) { calls.push(value); } };
+
+    runBrowserScript(window, 'static/audio-mixer.js');
+    await window.slopsmith.audio.applySongVolume(50);
+
+    const snapshot = window.slopsmith.audioSession.snapshot();
+    assert.deepEqual(calls, [0.5]);
+    assert.equal(snapshot.domains.stems.bridges.some(bridge => bridge.bridgeId === 'stems.master-volume'), true);
+    assert.equal(window.slopsmith.capabilities.snapshotDiagnostics().compatibilityShims.some(shim => shim.shimId === 'stems.master-volume' && shim.hitCount >= 1), true);
+});