fix(test): test_settings_brightness 期望值随亮度默认 50 同步(M2.97 陈旧) + ncm app.json 声明 background_audio=1(接 M4 后台播放)

patch_v2/meow_launcherd/test_settings_brightness.c

@@ -27,8 +27,8 @@ int main(void)
     assert(meow_settings_init() == MEOW_OK);
     assert(meow_settings_loaded() == 0);
     int v = meow_settings_brightness_clamped();
-    assert(v == 100);
-    printf("[A] file absent : loaded=%d brightness_clamped=%d  (expect 0 / 100)\n",
+    assert(v == 50);
+    printf("[A] file absent : loaded=%d brightness_clamped=%d  (expect 0 / 50)\n",
            meow_settings_loaded(), v);
 
     /* 场景 B：文件存在且用户设 60 → loaded==1，clamp 60（用户设定可信） */
@@ -51,8 +51,8 @@ int main(void)
     assert(meow_settings_init() == MEOW_OK);
     assert(meow_settings_loaded() == 1);
     v = meow_settings_brightness_clamped();
-    assert(v == 100);
-    printf("[C] file no key : loaded=%d brightness_clamped=%d  (expect 1 / 100)\n",
+    assert(v == 50);
+    printf("[C] file no key : loaded=%d brightness_clamped=%d  (expect 1 / 50)\n",
            meow_settings_loaded(), v);
 
     /* 场景 D：文件存在但持久值 101 → clamp 到 100（防闪屏上限，M2.39） */

patch_v2/ncm_app/app.json

@@ -1 +1 @@
-{"name":"网易云音乐","exec":"/usr/data/mnt/sd_0/MeowAPPs/dev.player.ncm/ncm","package":"dev.player.ncm","version":"0.1","version_code":1,"framework":1,"immersive":1,"fonts":"common","author":"MeowOS"}
+{"name":"网易云音乐","exec":"/usr/data/mnt/sd_0/MeowAPPs/dev.player.ncm/ncm","package":"dev.player.ncm","version":"0.1","version_code":1,"framework":1,"immersive":1,"fonts":"common","author":"MeowOS","background_audio":1}