Add max_simultaneous_engine_requests parameter

src/config/profiles/low-performance.ts

@@ -35,6 +35,7 @@ import {
   CONF_MENU_BUTTONS_TIMELINE,
   CONF_MENU_STYLE,
   CONF_PERFORMANCE_FEATURES_ANIMATED_PROGRESS_INDICATOR,
+  CONF_PERFORMANCE_FEATURES_MAX_SIMULTANEOUS_ENGINE_REQUESTS,
   CONF_PERFORMANCE_FEATURES_MEDIA_CHUNK_SIZE,
   CONF_PERFORMANCE_STYLE_BORDER_RADIUS,
   CONF_PERFORMANCE_STYLE_BOX_SHADOW,
@@ -137,4 +138,7 @@ export const LOW_PERFORMANCE_PROFILE = {
 
   // No trigger actions.
   [CONF_VIEW_TRIGGERS_ACTIONS_TRIGGER]: 'none',
+
+  // One engine request at a time.
+  [CONF_PERFORMANCE_FEATURES_MAX_SIMULTANEOUS_ENGINE_REQUESTS]: 1,
 };

src/config/types.ts

@@ -1913,6 +1913,7 @@ export const performanceConfigSchema = z
           .min(0)
           .max(MEDIA_CHUNK_SIZE_MAX)
           .default(performanceConfigDefault.features.media_chunk_size),
+        max_simultaneous_engine_requests: z.number().min(1).optional(),
       })
       .default(performanceConfigDefault.features),
     style: z