Remove SpeedTable, add probe_disc(), named constants, clean architecture
- Removed SpeedTable entirely — drive manages speeds after probe
- Renamed read_speed_table() → probe_disc()
- Named all SCSI constants: SUB_CMD_UNLOCK, SUB_CMD_INIT, SUB_CMD_PROBE,
INIT_ADDR_BD, INIT_ADDR_UHD, PROBE_COARSE_END, PROBE_FINE_END, etc.
- Auto-detect BD vs UHD from disc capacity for correct probe init address
- Fixed NOMINAL_SPEED_B (was invalid CDB, removed — single max instead)
- Added session.set_speed() for simple speed control
- Error recovery: re-init on first error, BD2x on repeated errors
- Batch size uses full kernel limit (was 80%, now 100%)
- Clean variant_a/variant_b with named constants
API: open() → wait_ready() → init() → probe_disc() → scan() → read
MattJackson
65996ade59