- Frontend now reads auth_pin from /api/state and includes X-Pedal-Auth on all non-GET requests
- Fixed test imports after removing module-level BLOCK_SIZE/SAMPLE_RATE constants
- Removed rogue test_issue_2_3.py from tracking
- tests/test_stability.py — 1-hour continuous DSP pipeline stability test
covering all 46 FX types with CPU/memory/NaN monitoring
- tests/test_integration.py — fixed test_midi_cc_maps_expression to use
correct _on_midi_cc(value, cc_number, channel) signature matching
the Phase 6 MIDI fix