fix(launcher): 开机亮度停100竞态 (agent-230) — settings未读到前不盲写100, 挂起+读到后补应用; launcher aa6c95a4→8ebae666; 宿主4场景PASS

patch_v2/meow_launcherd/meow_launcher_internal.h

@@ -558,6 +558,7 @@ long sys_mem_available_kb(void);
 extern uint32_t menu_bg;
 extern int menu_opened_blank;
 extern int meow_auto_slept;
+extern int meow_brightness_pending; /* M2.86：亮度待补应用挂起（apply_user_brightness 在设置未读到时不写，置 1） */
 extern int meow_mode;
 extern int meow_saved_brightness;
 extern int meow_screen_on;