refactor: route all decoders through plugin runtime

src/trx-client/trx-frontend/trx-frontend-http/assets/web/generated/cw.js

@@ -82,7 +82,7 @@
   }
   cwWindow.updateCwBar = updateCwBar;
   cwWindow.clearCwBar = function() {
-    cwWindow.resetCwHistoryView?.();
+    resetCwHistoryView();
   };
   cwWindow.closeCwBar = function() {
     cwBarDismissedAtMs = Date.now();
@@ -302,26 +302,26 @@
       void setCwTone(tone);
     });
   }
-  cwWindow.resetCwHistoryView = function() {
+  function resetCwHistoryView() {
     if (cwOutputEl) cwOutputEl.innerHTML = "";
     cwLastAppendTime = 0;
     cwBarHistory = [];
     cwBarCurrentLine = null;
     updateCwBar();
     drawCwTonePicker();
-  };
+  }
   document.getElementById("settings-clear-cw-history")?.addEventListener("click", () => {
     void (async () => {
       if (!await cwWindow.trxUi.confirm({ title: "Clear CW history?", message: "All stored CW decodes will be permanently removed.", confirmLabel: "Clear history" })) return;
       try {
         await cwWindow.postPath?.("/clear_cw_decode");
-        cwWindow.resetCwHistoryView?.();
+        resetCwHistoryView();
       } catch (error) {
         console.error("CW history clear failed", error);
       }
     })();
   });
-  cwWindow.onServerCw = function(evt) {
+  function onServerCw(evt) {
     if (cwStatusEl) cwStatusEl.textContent = "Receiving";
     if (evt.text && cwOutputEl) {
       const now = Date.now();
@@ -375,14 +375,20 @@
       cwTonePickerRaf = null;
       drawCwTonePicker();
     });
-  };
-  cwWindow.restoreCwHistory = function(events) {
+  }
+  function restoreCwHistory(events) {
     if (!Array.isArray(events) || events.length === 0) return;
     if (cwStatusEl) cwStatusEl.textContent = "Receiving";
     for (const evt of events) {
-      cwWindow.onServerCw?.(evt);
+      onServerCw(evt);
     }
-  };
+  }
+  cwWindow.trxPluginRuntime.registerDecoder({
+    id: "cw",
+    onMessage: onServerCw,
+    restore: restoreCwHistory,
+    reset: resetCwHistoryView
+  });
   cwWindow.refreshCwTonePicker = function refreshCwTonePicker() {
     ensureCwToneCanvasResolution();
     drawCwTonePicker();