feat(mqtt,docs): add mqtt.status control and tighten migration guidance

docs/custom-cli.md

@@ -12,6 +12,8 @@ These commands are available on `*_repeater_mqtt` firmware targets.
 
 - `get mqtt.status`
   - shows WiFi, NTP, IATA, endpoint status, and TX state
+- `get mqtt.statuscfg`
+  - shows whether periodic status messages are enabled
 - `get mqtt.iata`
   - shows the IATA/location code used in MQTT topics
 - `set mqtt.iata <code>`
@@ -42,6 +44,8 @@ These commands are available on `*_repeater_mqtt` firmware targets.
   - shows whether raw packet payloads are published
 - `set mqtt.raw on|off`
   - enables or disables the separate `raw` MQTT topic
+- `set mqtt.status on|off`
+  - enables or disables periodic MQTT status publishing
 - `get mqtt.tx`
   - shows whether TX packets are included
 - `set mqtt.tx on|off`
@@ -125,6 +129,8 @@ That allowlist currently includes:
 - `set mqtt.packets on|off`
 - `get mqtt.raw`
 - `set mqtt.raw on|off`
+- `get mqtt.statuscfg`
+- `set mqtt.status on|off`
 - `get mqtt.tx`
 - `set mqtt.tx on|off`
 - `get mqtt.eastmesh-au`

docs/migration.md

@@ -27,6 +27,7 @@ Once the new firmware is flashed, set:
 - `set wifi.ssid <your-ssid>`
 - `set wifi.pwd <your-password>`
 - `set mqtt.iata <code>`
+- `set mqtt.status on`
 
 ## Optional Settings
 
@@ -53,6 +54,7 @@ Confirm the repeater is up and connected with:
 
 - `get wifi.status`
 - `get mqtt.status`
+- `get mqtt.statuscfg`
 
 ## Validate In The Web Console
 
@@ -94,11 +96,11 @@ If you flash without erase first, older legacy values may still remain in flash
 
 1. Flash the new EastMesh firmware without erasing.
 2. Open the serial CLI or companion app.
-3. Set `wifi.ssid`, `wifi.pwd`, and `mqtt.iata`.
+3. Set `wifi.ssid`, `wifi.pwd`, `mqtt.iata`, and `mqtt.status on`.
 4. Optionally set `mqtt.owner` and `mqtt.email`.
 5. If you previously had TX publishing disabled, set `mqtt.tx off`.
 6. Reboot the repeater.
-7. Verify with `get wifi.status` and `get mqtt.status`.
+7. Verify with `get wifi.status`, `get mqtt.status`, and `get mqtt.statuscfg`.
 8. Optionally confirm local web access with `set web on`, `get web.status`, and `https://<IP_ADDRESS>/`.
 
 ## Related Docs

examples/simple_repeater/MyMesh.cpp

@@ -1337,6 +1337,8 @@ void MyMesh::handleCommand(uint32_t sender_timestamp, char *command, char *reply
     sprintf(reply, "> %s", mqtt.isPacketsEnabled() ? "on" : "off");
   } else if (memcmp(command, "get mqtt.raw", 12) == 0) {
     sprintf(reply, "> %s", mqtt.isRawEnabled() ? "on" : "off");
+  } else if (memcmp(command, "get mqtt.statuscfg", 18) == 0) {
+    sprintf(reply, "> %s", mqtt.isStatusEnabled() ? "on" : "off");
   } else if (memcmp(command, "get mqtt.tx", 11) == 0) {
     sprintf(reply, "> %s", mqtt.isTxEnabled() ? "on" : "off");
   } else if (memcmp(command, "get mqtt.eastmesh-au", 20) == 0 || memcmp(command, "get mqtt.eastmesh.au", 20) == 0) {
@@ -1396,6 +1398,9 @@ void MyMesh::handleCommand(uint32_t sender_timestamp, char *command, char *reply
   } else if (memcmp(command, "set mqtt.raw ", 13) == 0) {
     mqtt.setRawEnabled(memcmp(&command[13], "on", 2) == 0);
     strcpy(reply, "OK");
+  } else if (memcmp(command, "set mqtt.status ", 16) == 0) {
+    mqtt.setStatusEnabled(memcmp(&command[16], "on", 2) == 0);
+    strcpy(reply, "OK");
   } else if (memcmp(command, "set mqtt.eastmesh-au ", 21) == 0 || memcmp(command, "set mqtt.eastmesh.au ", 21) == 0) {
     mqtt.setEndpointEnabled(0x01, memcmp(&command[21], "on", 2) == 0);
     strcpy(reply, "OK");
@@ -1448,6 +1453,7 @@ void MyMesh::runWebCommand(const char* command, char* reply, size_t reply_size)
       matches_exact("get mqtt.email") ||
       matches_exact("get mqtt.packets") ||
       matches_exact("get mqtt.raw") ||
+      matches_exact("get mqtt.statuscfg") ||
       matches_exact("get mqtt.tx") ||
       matches_exact("get mqtt.eastmesh-au") ||
       matches_exact("get mqtt.eastmesh.au") ||
@@ -1471,6 +1477,7 @@ void MyMesh::runWebCommand(const char* command, char* reply, size_t reply_size)
       matches_prefix("set mqtt.email ") ||
       matches_prefix("set mqtt.packets ") ||
       matches_prefix("set mqtt.raw ") ||
+      matches_prefix("set mqtt.status ") ||
       matches_prefix("set mqtt.tx ") ||
       matches_prefix("set web ") ||
       matches_prefix("set.web ") ||