docs: Update project docs with ALERT command and v1.11 completion

ROADMAP.md

@@ -144,18 +144,19 @@ Note: Promiscuous mode (probe/deauth capture) disabled on original ESP32 — bre
 - [x] Size optimization (`-Os`, saves ~75KB vs -O2)
 - [x] CSI ON/OFF toggle command (NVS persisted)
 
-## v1.11 - Diagnostics & Usability (unreleased)
+## v1.11 - Diagnostics & Usability [DONE]
 - [x] HELP command (lists all commands with syntax)
 - [x] CONFIG command (dump all running config key=value)
 - [x] FACTORY command (erase NVS config + reboot)
-- [ ] Tag and OTA deploy to fleet
+- [x] PING command (echo reply for connectivity tests)
+- [x] LOG command (runtime log level control)
+- [x] RSSI RESET command (reset min/max counters)
+- [x] OTA rollback validation (crasher firmware + bootloader rollback confirmed)
+- [x] Tagged v1.11.0 and OTA deployed to all 3 sensors
 
-## v1.12 - Firmware Polish
-- [ ] PING command (echo reply for connectivity tests)
-- [ ] LOG command (runtime log level control)
+## v1.12 - Monitoring & Multi-Target (unreleased)
+- [x] ALERT command (temp/heap thresholds, EVENT emission, 60s holdoff, NVS persisted)
 - [ ] Multi-target (send data to 2+ UDP destinations)
-- [ ] Temp/heap alert thresholds (EVENT on overheat or low memory)
-- [ ] OTA rollback validation test
 
 ## Web Backend (`~/git/esp32-web/`)