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- EcdsaVerifier (mbedTLS, embedded public key) and EspOtaSink (writes the inactive app slot, esp_ota_end validates the image, then sets the boot partition) - UpdateService: listens on TCP 3232 (and mDNS roro9stack-<id>) while Wi-Fi is Connected; streams into UpdateParser; replies OK/ERR to the sender; remembers the pending version so a Rollback is reported after the reboot - Probation (host-tested): confirm after the first frame + 30 s + Wi-Fi (if configured); roll back if configured Wi-Fi never connects in 3 min - Main loop: full-screen progress while receiving; restart once installed, waiting up to 60 s for Text Entry to end - Settings > Firmware: version, Probation status, push address and name, and the .ota files in /updates on the SD card to install - StorageService.runJob() runs work on the storage task (SD installs) - wifi status prints IP and running version; RORO_TEST_CRASH test hook Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01EhqxQ49eCju4CzKYNjZzwT