[feat](trx-rs): add cw auto/manual controls

Co-authored-by: Codex <codex@openai.com>
Signed-off-by: Stanislaw Grams <stanislawgrams@gmail.com>

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

@@ -1,11 +1,53 @@
 // --- CW (Morse) Decoder Plugin (server-side decode) ---
 const cwStatusEl = document.getElementById("cw-status");
 const cwOutputEl = document.getElementById("cw-output");
+const cwAutoInput = document.getElementById("cw-auto");
 const cwWpmInput = document.getElementById("cw-wpm");
 const cwToneInput = document.getElementById("cw-tone");
 const cwSignalIndicator = document.getElementById("cw-signal-indicator");
 const CW_MAX_LINES = 200;
 
+function applyCwAutoUi(enabled) {
+  if (cwAutoInput) cwAutoInput.checked = enabled;
+  if (cwWpmInput) {
+    cwWpmInput.disabled = enabled;
+    cwWpmInput.readOnly = enabled;
+  }
+  if (cwToneInput) {
+    cwToneInput.disabled = enabled;
+    cwToneInput.readOnly = enabled;
+  }
+}
+
+if (cwAutoInput) {
+  cwAutoInput.addEventListener("change", async () => {
+    const enabled = cwAutoInput.checked;
+    applyCwAutoUi(enabled);
+    try { await postPath(`/set_cw_auto?enabled=${enabled ? 1 : 0}`); }
+    catch (e) { console.error("CW auto toggle failed", e); }
+  });
+}
+
+if (cwWpmInput) {
+  cwWpmInput.addEventListener("change", async () => {
+    if (cwAutoInput && cwAutoInput.checked) return;
+    const wpm = Math.max(5, Math.min(40, Number(cwWpmInput.value)));
+    cwWpmInput.value = wpm;
+    try { await postPath(`/set_cw_wpm?wpm=${encodeURIComponent(wpm)}`); }
+    catch (e) { console.error("CW WPM set failed", e); }
+  });
+}
+
+if (cwToneInput) {
+  cwToneInput.addEventListener("change", async () => {
+    if (cwAutoInput && cwAutoInput.checked) return;
+    const tone = Math.max(300, Math.min(1200, Number(cwToneInput.value)));
+    cwToneInput.value = tone;
+    try { await postPath(`/set_cw_tone?tone_hz=${encodeURIComponent(tone)}`); }
+    catch (e) { console.error("CW tone set failed", e); }
+  });
+}
+
 document.getElementById("cw-clear-btn").addEventListener("click", async () => {
   cwOutputEl.innerHTML = "";
   try { await postPath("/clear_cw_decode"); } catch (e) { console.error("CW clear failed", e); }
@@ -34,6 +76,8 @@ window.onServerCw = function(evt) {
     cwOutputEl.scrollTop = cwOutputEl.scrollHeight;
   }
   cwSignalIndicator.className = evt.signal_on ? "cw-signal-on" : "cw-signal-off";
-  cwWpmInput.value = evt.wpm;
-  cwToneInput.value = evt.tone_hz;
+  if (!cwAutoInput || cwAutoInput.checked) {
+    cwWpmInput.value = evt.wpm;
+    cwToneInput.value = evt.tone_hz;
+  }
 };