集成 Timber 日志框架，降级 AGP/Gradle 适配 JDK 17，修复构建设置

- 新增 PosefitApplication 初始化 Timber DebugTree

- WebRtcSenderClient/MainActivity/SimpleSdpObserver 添加 Timber 日志

- AGP 9.2.1 → 8.7.3，Gradle 9.4.1 → 8.11.1 适配 JDK 17

- compileSdk/targetSdk 恢复为 34，minSdk 保持 29 支持 Android 10

- 添加 android.useAndroidX=true 修复构建检查

- 删除 gradle-daemon-jvm.properties (JDK 21 残留配置)

- 信令端口默认改为 8765

gradle/gradle-daemon-jvm.properties

@@ -1,12 +0,0 @@
-#This file is generated by updateDaemonJvm
-toolchainUrl.FREE_BSD.AARCH64=https\://api.foojay.io/disco/v3.0/ids/ec7520a1e057cd116f9544c42142a16b/redirect
-toolchainUrl.FREE_BSD.X86_64=https\://api.foojay.io/disco/v3.0/ids/4c4f879899012ff0a8b2e2117df03b0e/redirect
-toolchainUrl.LINUX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/ec7520a1e057cd116f9544c42142a16b/redirect
-toolchainUrl.LINUX.X86_64=https\://api.foojay.io/disco/v3.0/ids/4c4f879899012ff0a8b2e2117df03b0e/redirect
-toolchainUrl.MAC_OS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/73bcfb608d1fde9fb62e462f834a3299/redirect
-toolchainUrl.MAC_OS.X86_64=https\://api.foojay.io/disco/v3.0/ids/846ee0d876d26a26f37aa1ce8de73224/redirect
-toolchainUrl.UNIX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/ec7520a1e057cd116f9544c42142a16b/redirect
-toolchainUrl.UNIX.X86_64=https\://api.foojay.io/disco/v3.0/ids/4c4f879899012ff0a8b2e2117df03b0e/redirect
-toolchainUrl.WINDOWS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/9482ddec596298c84656d31d16652665/redirect
-toolchainUrl.WINDOWS.X86_64=https\://api.foojay.io/disco/v3.0/ids/39701d92e1756bb2f141eb67cd4c660e/redirect
-toolchainVersion=21

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-agp = "9.2.1"
+agp = "8.7.3"
 kotlin = "2.0.0"
 composeBom = "2024.02.00"
 composeCompiler = "1.5.8"
@@ -11,8 +11,10 @@ junitVersion = "1.1.5"
 espressoCore = "3.5.1"
 appcompat = "1.6.1"
 material = "1.10.0"
+timber = "5.0.1"
 
 [libraries]
+timber = { group = "com.jakewharton.timber", name = "timber", version.ref = "timber" }
 junit = { group = "junit", name = "junit", version.ref = "junit" }
 ext-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
 espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }

gradle/wrapper/gradle-wrapper.properties

@@ -1,9 +1,8 @@
 #Mon Jun 01 17:35:27 CST 2026
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionSha256Sum=2ab2958f2a1e51120c326cad6f385153bb11ee93b3c216c5fccebfdfbb7ec6cb
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.4.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-bin.zip
 networkTimeout=10000
-validateDistributionUrl=true
+validateDistributionUrl=false
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists