[Fixes] • Fixed piece 1/2 reference-music labels swapped in practice reports • Automatically repaired misattributed reference-music info in historical practice logs • Fixed the metronome occasionally going silent during recap video recording • Re-record now returns to the metronome prep page with a proper countdown for the second take

[Metronome — New Feature] • Built-in metronome: 40–208 BPM, usable in practice and recap prep [Improvements] • Unified slider layout; practice durations now 1–10 minutes

[Reference Library — New Feature] • Built-in reference library: browse and download practice pieces shared by teachers or institutions with one tap • Preview every track before downloading — pick the right audio first • Import library audio straight into your practice references for seamless listen-practice training [Library Management] • Manage your local libraries freely: preview, delete, and control your storage • Publish and share libraries, making piece exchange between teachers and students effortless [Improvements] • Numerous interaction refinements for a smoother, more stable experience

[Practice Plans — New Feature] • Save your practice config as a plan with one tap; export/import .pracplan files • Plan library: save, load, rename, delete, and share configs across devices • Faster plan loading — skips re-copying existing reference audio [System Improvements] • Prevents Mac from sleeping during practice sessions • Phase name snapshots: historical records preserve original phase names • CSV weekly report export for analysis in Excel or Numbers • Fixed Always On mode loopDuration hardcoding issue [UX Improvements] • Simplified plan library UI with streamlined one-tap actions • Fixed report button localization • Fixed reference audio picker being blocked by file importer

This update brings several new features to make your practice experience more complete: • Practice Reports — View weekly practice summaries, phase breakdowns, and trends. Generate beautiful shareable cards. • Custom Phase Names — Set personalized names for each phase (e.g. "Bach Gavotte"). TTS voice announcements update accordingly. • Practice Ratings — Rate your session after your 3rd practice to track progress over time. • Simplified Alternation Modes — Streamlined to 3 clear modes (On / Always-On / Off). No more confusion. • Configurable Practice Duration — When alternation is off or always-on, set independent countdown duration per piece. • Silent Mode Adaptive — Reference audio and TTS announcements are no longer affected by the iPhone silent switch.