[feat](trx-frontend-http): improve scheduler and decode map controls

Remove settings rig pickers, restore the last scheduler cycle on release, fix FT8 locator role parsing, and add toggleable decode contact paths on the map.

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

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

@@ -80,11 +80,12 @@ function vchanStartSchedulerReleasePolling() {
 
 async function vchanToggleSchedulerRelease() {
   if (!vchanSessionId) return;
+  const rigId = vchanRigId || (typeof lastActiveRigId !== "undefined" ? lastActiveRigId : null);
   try {
     const resp = await fetch("/scheduler-control", {
       method: "PUT",
       headers: { "Content-Type": "application/json" },
-      body: JSON.stringify({ session_id: vchanSessionId, released: true }),
+      body: JSON.stringify({ session_id: vchanSessionId, released: true, rig_id: rigId }),
     });
     if (!resp.ok) throw new Error(`HTTP ${resp.status}`);
     schedulerReleaseState = await resp.json();