[feat](trx-frontend-http): add rds raw json copy action

Co-authored-by: Codex <codex@openai.com>
Signed-off-by: Stan Grams <sjg@haxx.space>

src/trx-client/trx-frontend/trx-frontend-http/assets/web/app.js

@@ -3269,6 +3269,21 @@ async function copyRdsPsToClipboard() {
   }
 }
 
+async function copyRdsRawToClipboard() {
+  const rawEl = document.getElementById("rds-raw");
+  const rawText = rawEl?.textContent ?? "";
+  if (!rawText || rawText === "--") {
+    showHint("No RDS JSON", 1200);
+    return;
+  }
+  try {
+    await navigator.clipboard.writeText(rawText);
+    showHint("RDS JSON copied", 1200);
+  } catch (_) {
+    showHint("Clipboard failed", 1500);
+  }
+}
+
 if (rdsPsOverlay) {
   rdsPsOverlay.addEventListener("click", () => { copyRdsPsToClipboard(); });
 }
@@ -3276,6 +3291,10 @@ const rdsPsValueEl = document.getElementById("rds-ps");
 if (rdsPsValueEl) {
   rdsPsValueEl.addEventListener("click", () => { copyRdsPsToClipboard(); });
 }
+const rdsRawCopyBtn = document.getElementById("rds-raw-copy-btn");
+if (rdsRawCopyBtn) {
+  rdsRawCopyBtn.addEventListener("click", () => { copyRdsRawToClipboard(); });
+}
 
 function updateRdsPsOverlay(rds) {
   // Overview strip overlay

src/trx-client/trx-frontend/trx-frontend-http/assets/web/index.html

@@ -289,7 +289,10 @@
           <div class="rds-field"><span class="rds-label">Dynamic PTY</span><span id="rds-dynamic-pty" class="rds-value">--</span></div>
           <div class="rds-field"><span class="rds-label">RadioText</span><span id="rds-radio-text" class="rds-value rds-text">--</span></div>
         </div>
-        <div class="rds-raw-label">Raw JSON (last spectrum frame)</div>
+        <div class="rds-raw-header">
+          <div class="rds-raw-label">Raw JSON (last spectrum frame)</div>
+          <button id="rds-raw-copy-btn" class="header-bar-btn" type="button">Copy</button>
+        </div>
         <pre id="rds-raw" class="rds-raw">--</pre>
       </div>
       <div id="subtab-aprs" class="sub-tab-panel" style="display:none;">

src/trx-client/trx-frontend/trx-frontend-http/assets/web/style.css

@@ -814,7 +814,10 @@ small { color: var(--text-muted); }
 .rds-text { white-space: normal; overflow-wrap: anywhere; line-height: 1.35; }
 .rds-no-signal { color: var(--text-muted); }
 .rds-decoding { color: var(--accent-green); }
+.rds-raw-header { display: flex; align-items: center; justify-content: space-between; gap: 0.6rem; margin-bottom: 0.3rem; }
 .rds-raw-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 0.3rem; }
+.rds-raw-header .rds-raw-label { margin-bottom: 0; }
+#rds-raw-copy-btn { height: 1.65rem; padding: 0 0.55rem; font-size: 0.72rem; }
 .rds-raw { background: var(--input-bg); border: 1px solid var(--border-light); border-radius: 6px; padding: 0.5rem 0.6rem; font-size: 0.8rem; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; color: var(--text); white-space: pre; overflow-x: auto; margin: 0; }
 
 .cw-controls { display: flex; gap: 0.6rem; align-items: center; margin-bottom: 0.75rem; }