[feat](trx-frontend-http-json): map decoder commands

Add SetAprsDecodeEnabled, SetCwDecodeEnabled, ResetAprsDecoder, and
ResetCwDecoder to the JSON TCP frontend command mapping.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Signed-off-by: Stanislaw Grams <stanislawgrams@gmail.com>

src/trx-client/trx-frontend/trx-frontend-http-json/src/server.rs

@@ -140,6 +140,10 @@ async fn handle_client(
             ClientCommand::Unlock => RigCommand::Unlock,
             ClientCommand::GetTxLimit => RigCommand::GetTxLimit,
             ClientCommand::SetTxLimit { limit } => RigCommand::SetTxLimit(limit),
+            ClientCommand::SetAprsDecodeEnabled { enabled } => RigCommand::SetAprsDecodeEnabled(enabled),
+            ClientCommand::SetCwDecodeEnabled { enabled } => RigCommand::SetCwDecodeEnabled(enabled),
+            ClientCommand::ResetAprsDecoder => RigCommand::ResetAprsDecoder,
+            ClientCommand::ResetCwDecoder => RigCommand::ResetCwDecoder,
         };
 
         let (resp_tx, resp_rx) = oneshot::channel();