fix: only render on changes

main.odin

@@ -37,6 +37,10 @@ real_main :: proc() {
 
     m3_init_dark()
 
+    // Only draw when something actually changed. Without this the loop renders
+    // flat out forever, which on a phone is straight battery burn.
+    engine.set_render_on_change(true)
+
     for !engine.should_quit() {
         engine.frame_start()
         defer engine.frame_end()
@@ -55,6 +59,13 @@ real_main :: proc() {
 
         if !insets_valid {
             insets_valid = refresh_insets()
+            if !insets_valid {
+                // The decor view attaches asynchronously and produces no event
+                // when it does. Under render_on_change the loop would park
+                // before the retry ever ran, leaving the app bar with no status
+                // bar padding.
+                engine.request_render()
+            }
         }
 
         window_size := engine.get_window_size()