Fix rule mqtt subscribe payload size

Increase rule event buffer from 100 to 256 characters (#16943)

CHANGELOG.md

@@ -14,6 +14,7 @@ All notable changes to this project will be documented in this file.
 ### Changed
 - Energy totals max supported value from +/-21474.83647 to +/-2147483.647 kWh
 - Removed delays in TasmotaSerial and TasmotaModbus Tx enable switching
+- Increase rule event buffer from 100 to 256 characters (#16943)
 
 ### Fixed
 - Energy dummy switched voltage and power regression from v12.2.0.2

RELEASENOTES.md

@@ -126,6 +126,7 @@ The latter links can be used for OTA upgrades too like ``OtaUrl https://ota.tasm
 - ESP32 Framework (Core) from v2.0.5.3 to v2.0.6 (IPv6 support)
 - Energy totals max supported value from +/-21474.83647 to +/-2147483.647 kWh
 - Removed delays in TasmotaSerial and TasmotaModbus Tx enable switching
+- Increase rule event buffer from 100 to 256 characters [#16943](https://github.com/arendst/Tasmota/issues/16943)
 - TuyaMcu rewrite by btsimonh [#17051](https://github.com/arendst/Tasmota/issues/17051)
 - Tasmota OTA scripts now support both unzipped and gzipped file uploads [#17378](https://github.com/arendst/Tasmota/issues/17378)
 

tasmota/tasmota_xdrv_driver/xdrv_10_rules.ino

@@ -186,7 +186,7 @@ struct RULES {
   bool busy = false;
   bool no_execute = false;   // Don't actually execute rule commands
 
-  char event_data[100];
+  char event_data[256];
 } Rules;
 
 char rules_vars[MAX_RULE_VARS][33] = {{ 0 }};
@@ -936,7 +936,7 @@ void RulesInit(void)
 void RulesEvery50ms(void)
 {
   if ((Settings->rule_enabled || BERRY_RULES) && !Rules.busy) {  // Any rule enabled
-    char json_event[120];
+    char json_event[300];
 
     if (-1 == Rules.new_power) { Rules.new_power = TasmotaGlobal.power; }
     if (Rules.new_power != Rules.old_power) {