Fix the STM32 flash overflows and fleet fixture compile failure from
https://github.com/mikecarper/MeshCore/actions/runs/40241742182.
Fold already-unsupported RX control paths only for the integrated STM32WL
wrapper. Preserve RXPS-off validation, persistence, pending application and
rollback. External radios retain their supported controls.
Use measured GCC 14 code sharing in the four small STM32 USB Companion
recipes. Keep firmware features, contact/channel capacities, filesystem
boundaries and flash/RAM admission checks unchanged.
Refresh downstream host fixtures for saved radio intent, deferred service
restarts, WebConfig ownership, RX recovery and color tint state. Retain or
strengthen behavior checks rather than skipping failing coverage.
Validation: canonical RAK3x72, Wio Mini, Wio Dev and Tiny Relay USB Companion
packages and Mini Repeater build passed at release-version length. All
post-failure host checks, compact arithmetic/float checks, build-profile and
real PlatformIO recipe/path/RAM-policy checks passed locally.
Save valid busy RX, fast-switch and Companion tuple changes once, then
apply the latest accepted intent at a safe radio gap. Preserve checked-save
rollback, runtime RXEN intent, TempRadio ownership and exact remote reply
delivery. Repair failed preamble compensation without hiding uncertain saves.
Retry WebConfig, MQTT and NimBLE startup failures automatically. Preserve
explicit off choices, OTA ownership and the latest WiFi credentials through
cooperative shutdown. Add regression coverage and update command guides.
Validation: focused host transaction, rollback, ownership and lifecycle suites;
Full RAK4631, Heltec V4 R8 TFT and RC32 packages; representative room, sensor,
LR1110, LR2021, SX1276, STM32WL and ESP-NOW builds. Linked RAK crypto and OTA
workspace checks pass; its complete OTA image uses 712644/712704 bytes.
Resolve Serial macro and ESP-NOW wrapper compilation errors. Preserve queue, neighbor, advert-history and Room post capacities while using qualified RTC, PSRAM and word-only IRAM storage on constrained ESP32 targets. Reduce Full infrastructure flash through lossless Room web compression, compact crypto and unused exception metadata removal.
Add focused native regressions for storage ownership, exact protocol output, OTA proofs and build policy. Keep physical flash sizes, OTA slots and RAM guard formulas unchanged.
mikecarper