Consumes the new core (buffered receive drain task + RX counters, #13
stock payload layout, GPS-date guard). Fork side:
- TouchPrefs v33 rx_queue, DEFAULT ON for the test channel (fresh
installs + a one-time migrate for upgraders); opt-out toggle
'Buffered receive (experimental)' in Radio & Mesh, applies live.
- About live tier shows LoRa RX heard/read/err/late-lost/qdrop, the
field evidence for the missed-messages fix.
- Spectrum parks/resumes the drain task around raw radio use; MyMesh
setParams sequences hold the radio mutex.
- TanmatsuLoraRadio: no-op API stubs (P4 keeps its own RX path).
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>