refactor: replace feature globals with typed services

src/trx-client/trx-frontend/trx-frontend-http/frontend/tests/background-decode.test.mjs

@@ -38,9 +38,10 @@ test("background decode loads configuration for the explicitly selected rig", as
   const source = await readFile(new URL("../../assets/web/generated/background-decode.js", import.meta.url), "utf8");
   new vm.Script(source).runInContext(context);
 
-  window.initBackgroundDecode("rig/a", "control");
+  window.trx.modules.backgroundDecode.initialize("rig/a", "control");
   await new Promise((resolve) => setTimeout(resolve, 0));
   assert.ok(requested.includes("/background-decode/rig%2Fa"));
   assert.ok(requested.includes("/bookmarks"));
   assert.ok(requested.includes("/background-decode/rig%2Fa/status"));
+  assert.equal(window.initBackgroundDecode, undefined);
 });

src/trx-client/trx-frontend/trx-frontend-http/frontend/tests/bookmarks.test.mjs

@@ -69,5 +69,7 @@ test("bookmarks register an explicit typed service for application consumers", a
   assert.equal(window.trx.modules.bookmarks.overlayList.length, 1);
   assert.equal(window.trx.modules.bookmarks.overlayList[0].id, "one");
   assert.equal(typeof window.trx.modules.bookmarks.apply, "function");
+  assert.equal(typeof window.trx.modules.bookmarks.formatFrequency, "function");
+  assert.equal(typeof window.trx.modules.bookmarks.populateScopePicker, "function");
   assert.equal(globalThis.bmOverlayList, undefined);
 });

src/trx-client/trx-frontend/trx-frontend-http/frontend/tests/vchan.test.mjs

@@ -28,9 +28,12 @@ test("virtual channels expose typed SSE and interception boundaries", async () =
   const source = await readFile(new URL("../../assets/web/generated/vchan.js", import.meta.url), "utf8");
   new vm.Script(source).runInContext(context);
 
-  assert.equal(typeof window.vchanHandleSession, "function");
-  assert.equal(typeof window.vchanHandleChannels, "function");
-  assert.equal(typeof window.vchanApplyCapabilities, "function");
-  assert.equal(await window.vchanInterceptMode("USB"), false);
-  assert.equal(await window.vchanInterceptBandwidth(2400), false);
+  const service = window.trx.modules.vchan;
+  assert.equal(typeof service.handleSession, "function");
+  assert.equal(typeof service.handleChannels, "function");
+  assert.equal(typeof service.applyCapabilities, "function");
+  assert.equal(await service.interceptMode("USB"), false);
+  assert.equal(await service.interceptBandwidth(2400), false);
+  assert.equal(window.vchanHandleSession, undefined);
+  assert.equal(window.vchanInterceptBandwidth, undefined);
 });