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Frank Stellmacher
d7ff1d3113
* fix(preview): keep preview sink volume in sync with player slider (#498) The Rust preview sink had its volume set once at audio_preview_play and then never updated. audio_set_volume only ramps the main sink, so slider movements during a preview had zero effect on the preview level. With the default loudness normalization (-4.5 dB pre-analysis attenuation) applied at start, even a 100% slider gives 1.0 × 0.596 × MASTER_HEADROOM ≈ 53% — matching the user-visible "fixed at around 50%" symptom. - Add audio_preview_set_volume Rust command that updates the preview sink if one is active (clamp + master headroom mirror the path used in audio_preview_play). - Extract the preview-volume calculation in previewStore into computePreviewVolume() so startPreview and the new sync path share one formula (slider value, plus the LUFS pre-analysis attenuation the engine already applies to the main sink). - Subscribe to playerStore at module level: when volume changes and a preview is active, push the recomputed value to Rust. Auth / normalization tweaks during preview are intentionally not synced — preview is short and that case is rare. Reported by netherguy4. * docs: changelog entry for PR #502 Logs the preview-volume-slider sync fix in v1.46.0 "## Fixed".