Apply default_device when switching between base families

Pass resetDefaults flag to updateDependentFilters on family switch so
the device filter resets to the family's configured default rather than
keeping the previous family's device selection.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

app.js

@@ -339,8 +339,9 @@ function populateFilters() {
     updateDependentFilters();
 }
 
-function updateDependentFilters() {
+function updateDependentFilters(resetDefaults) {
     const opts = availableOptions();
+    const familyCfg = config.model_families?.[activeFamilyKey()] || {};
 
     config.filters.forEach(f => {
         let vals = opts[f.column] || [];
@@ -354,9 +355,9 @@ function updateDependentFilters() {
             });
         }
         const strVals = vals.map(String);
-        if (!strVals.includes(String(filters[f.column]))) {
-            // Prefer family-specific default_device when resetting the device filter
-            const familyCfg = config.model_families?.[activeFamilyKey()] || {};
+        const needsReset = resetDefaults || !strVals.includes(String(filters[f.column]));
+        if (needsReset) {
+            // Prefer family-specific default_device for the device/group_by filter
             const defaultVal = f.column === GROUP_BY && familyCfg.default_device;
             if (defaultVal && strVals.includes(String(defaultVal))) {
                 filters[f.column] = defaultVal;
@@ -746,7 +747,7 @@ async function switchBaseFamily(baseFamilyKey) {
     );
     assignModelColors();
     renderSidebar();
-    updateDependentFilters();
+    updateDependentFilters(true);
     render();
 }