[fix](trx-frontend-http): fix map not loading on direct /map navigation

navigateToTab now calls loadPluginsForTab to ensure map-core.js is
injected on initial page load from /map URL. map-core.js auto-inits the
map if the map tab is already visible when the module loads.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Signed-off-by: Stan Grams <sjg@haxx.space>

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

@@ -4373,6 +4373,7 @@ function navigateToTab(name, options = {}) {
     updateTabHistory(name, replaceHistory);
   }
   scheduleSpectrumLayout();
+  if (typeof window.loadPluginsForTab === "function") window.loadPluginsForTab(name);
   if (name === "map") {
     window.trx.map?.initAprsMap();
     window.trx.map?.sizeAprsMapToViewport();

src/trx-client/trx-frontend/trx-frontend-http/assets/web/map-core.js

@@ -3424,6 +3424,16 @@
   }
 
 
+  // Auto-init map if the map tab is already visible (e.g. direct /map navigation)
+  function autoInitIfVisible() {
+    const panel = document.getElementById("tab-map");
+    if (panel && panel.style.display !== "none") {
+      initAprsMap();
+      sizeAprsMapToViewport();
+      if (aprsMap) setTimeout(() => aprsMap.invalidateSize(), 50);
+    }
+  }
+
   // Register module API for core to call
   window.trx.map = {
     initAprsMap,
@@ -3472,4 +3482,7 @@
     flushDeferredDecodeMapSync,
     bandForHz,
   };
+
+  // If the map tab is already visible (direct /map URL), init immediately.
+  autoInitIfVisible();
 })();