Initial commit: M20 Gamepad control app

山猫 M20 四足机器人手柄控制 Android App，使用 UDP + JSON 协议控制机器人运动。

- 协议层：16 字节小端 Header + JSON ASDU 编解码
- 网络层：UDP 客户端，心跳 1Hz，断线检测 3s
- 连接状态机：空闲/连接中/已连接/断线 + 运动状态机：空闲/站立/RL 控制
- 虚拟摇杆：Compose 原生摇杆库，angle/power -> X/Y/Yaw 映射
- 视频播放：Media3 ExoPlayer RTSP，支持 AUTO/FORCE_HW/FORCE_SW_H264/FORCE_SW_H265
- 设置界面：机器人 IP/端口、RTSP 地址、编码器选择，DataStore 持久化
- 状态面板：异常列表、运控状态、设备温度、电池信息
- 控制按钮：模式/步态/照明/充电/休眠

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

gradle/libs.versions.toml

@@ -0,0 +1,45 @@
+[versions]
+agp = "9.1.1"
+coreKtx = "1.18.0"
+junit = "4.13.2"
+junitVersion = "1.3.0"
+espressoCore = "3.7.0"
+lifecycleRuntimeKtx = "2.10.0"
+activityCompose = "1.13.0"
+kotlin = "2.2.10"
+composeBom = "2024.09.00"
+datastore = "1.1.3"
+navigationCompose = "2.8.6"
+media3 = "1.5.1"
+kotlinxSerialization = "1.7.3"
+
+[libraries]
+androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
+junit = { group = "junit", name = "junit", version.ref = "junit" }
+androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
+androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
+androidx-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycleRuntimeKtx" }
+androidx-activity-compose = { group = "androidx.activity", name = "activity-compose", version.ref = "activityCompose" }
+androidx-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "composeBom" }
+androidx-compose-ui = { group = "androidx.compose.ui", name = "ui" }
+androidx-compose-ui-graphics = { group = "androidx.compose.ui", name = "ui-graphics" }
+androidx-compose-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling" }
+androidx-compose-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview" }
+androidx-compose-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
+androidx-compose-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
+androidx-compose-material3 = { group = "androidx.compose.material3", name = "material3" }
+androidx-datastore-preferences = { group = "androidx.datastore", name = "datastore-preferences", version.ref = "datastore" }
+androidx-navigation-compose = { group = "androidx.navigation", name = "navigation-compose", version.ref = "navigationCompose" }
+androidx-media3-exoplayer = { group = "androidx.media3", name = "media3-exoplayer", version.ref = "media3" }
+androidx-media3-exoplayer-rtsp = { group = "androidx.media3", name = "media3-exoplayer-rtsp", version.ref = "media3" }
+androidx-media3-ui = { group = "androidx.media3", name = "media3-ui", version.ref = "media3" }
+androidx-lifecycle-viewmodel-compose = { group = "androidx.lifecycle", name = "lifecycle-viewmodel-compose", version.ref = "lifecycleRuntimeKtx" }
+androidx-lifecycle-runtime-compose = { group = "androidx.lifecycle", name = "lifecycle-runtime-compose", version.ref = "lifecycleRuntimeKtx" }
+kotlinx-serialization-json = { group = "org.jetbrains.kotlinx", name = "kotlinx-serialization-json", version.ref = "kotlinxSerialization" }
+
+[plugins]
+android-application = { id = "com.android.application", version.ref = "agp" }
+android-library = { id = "com.android.library", version.ref = "agp" }
+kotlin-compose = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
+kotlin-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }
+