feat: add RFPOWER_METER_WATTS level support

Add string mapping for RFPOWER_METER_WATTS in GetLevel and
GetSupportedLevels, enabling JS callers to read absolute watt
power readings from radios that support it (e.g. IC-705, IC-7300).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: boybook

index.d.ts

@@ -178,7 +178,7 @@ interface SplitStatusInfo {
 type LevelType = 'AF' | 'RF' | 'SQL' | 'RFPOWER' | 'MICGAIN' | 'IF' | 'APF' | 'NR' | 
                  'PBT_IN' | 'PBT_OUT' | 'CWPITCH' | 'KEYSPD' | 'NOTCHF' | 'COMP' | 
                  'AGC' | 'BKINDL' | 'BALANCE' | 'VOXGAIN' | 'VOXDELAY' | 'ANTIVOX' |
-                 'STRENGTH' | 'RAWSTR' | 'SWR' | 'ALC' | 'RFPOWER_METER' | 
+                 'STRENGTH' | 'RAWSTR' | 'SWR' | 'ALC' | 'RFPOWER_METER' | 'RFPOWER_METER_WATTS' |
                  'COMP_METER' | 'VD_METER' | 'ID_METER' | 'TEMP_METER' | string;
 
 /**

package.json

@@ -1,6 +1,6 @@
 {
   "name": "hamlib",
-  "version": "0.2.6",
+  "version": "0.2.7",
   "description": "Node.js wrapper for hamlib radio control library",
   "main": "index.js",
   "module": "lib/index.mjs",

src/hamlib.cpp

@@ -2962,6 +2962,8 @@ Napi::Value NodeHamLib::GetLevel(const Napi::CallbackInfo & info) {
     levelType = SHIM_RIG_LEVEL_RAWSTR;
   } else if (levelTypeStr == "RFPOWER_METER") {
     levelType = SHIM_RIG_LEVEL_RFPOWER_METER;
+  } else if (levelTypeStr == "RFPOWER_METER_WATTS") {
+    levelType = SHIM_RIG_LEVEL_RFPOWER_METER_WATTS;
   } else if (levelTypeStr == "COMP_METER") {
     levelType = SHIM_RIG_LEVEL_COMP_METER;
   } else if (levelTypeStr == "VD_METER") {
@@ -3026,6 +3028,7 @@ Napi::Value NodeHamLib::GetSupportedLevels(const Napi::CallbackInfo & info) {
   if (levels & SHIM_RIG_LEVEL_SWR) levelArray[index++] = Napi::String::New(env, "SWR");
   if (levels & SHIM_RIG_LEVEL_ALC) levelArray[index++] = Napi::String::New(env, "ALC");
   if (levels & SHIM_RIG_LEVEL_RFPOWER_METER) levelArray[index++] = Napi::String::New(env, "RFPOWER_METER");
+  if (levels & SHIM_RIG_LEVEL_RFPOWER_METER_WATTS) levelArray[index++] = Napi::String::New(env, "RFPOWER_METER_WATTS");
   if (levels & SHIM_RIG_LEVEL_COMP_METER) levelArray[index++] = Napi::String::New(env, "COMP_METER");
   if (levels & SHIM_RIG_LEVEL_VD_METER) levelArray[index++] = Napi::String::New(env, "VD_METER");
   if (levels & SHIM_RIG_LEVEL_ID_METER) levelArray[index++] = Napi::String::New(env, "ID_METER");