<powerbell> 强制 Java 7 编译兼容性，更新 libaes 至 15.20.19

- build.gradle: 新增 compileOptions 配置 Java 7 兼容性
- build.gradle: 更新 cc.winboll.studio:libaes 15.20.18 → 15.20.19
- build.properties: 构建计数器自动更新

powerbell/build.gradle

@@ -21,6 +21,12 @@ android {
     // 适配MIUI12
 	compileSdkVersion 30
     buildToolsVersion "30.0.3"
+
+    // 确保 Java 7 兼容性（已适配项目技术栈）
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_7
+        targetCompatibility JavaVersion.VERSION_1_7
+    }
 	
     defaultConfig {
         applicationId "cc.winboll.studio.powerbell"
@@ -75,7 +81,7 @@ dependencies {
     //api 'androidx.fragment:fragment:1.1.0'
     
 	// WinBoLL库 nexus.winboll.cc 地址
-	api 'cc.winboll.studio:libaes:15.20.18'
+	api 'cc.winboll.studio:libaes:15.20.19'
     api 'cc.winboll.studio:libappbase:15.20.34'
 	
 	// WinBoLL备用库 jitpack.io 地址

powerbell/build.properties

@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Sun Jul 12 10:33:40 HKT 2026
+#Fri Jul 17 15:59:06 CST 2026
 stageCount=19
 libraryProject=
 baseVersion=15.15
 publishVersion=15.15.18
-buildCount=0
+buildCount=6
 baseBetaVersion=15.15.19