Integrate advanced audio tooling (Rubber Band, Pedalboard, LUFS diagnostics)

Refine effects rendering and move heavy delay/reverb to manual selection

Implement phrase-aware transition duration optimization and scoring

Enable automatic tempo matching for beat-matched transition types

Implement multi-pass transition rendering with per-stem quality analysis

Implement musical candidate ranking and feedback-driven learning

Implement RLHF trajectory capture and agent briefing generation

Implement phrase-aware vocal rhythm alignment and dedicated vocal processing

Refactor app.py into logical sub-modules

Implement Apple Silicon optimized demucs-mlx backend for stem separation

Implement per-lane rhythm alignment and harmonic-aware melody automation

Fix filter curve clicking at chunk boundaries using sosfilt_zi

Implement shared AutomationIR renderer with explicit tempo policy and headroom protection

Implement explicit tempo policy and transparent volume headroom guards

Fix systematic transition blackout in equal_power_out curve

Implement draggable timeline editor and enhanced objective transition diagnostics

Update documentation and add smoke tests for remaining gaps

Add documentation and smoke tests for planning and completion