优化配置，修复 demo bug

1，network 框架完善
2，websocket 机制完善
3，设计文档整理到架构文档
4，脚本，配置完善

packages/rtc_sdk/android/build.gradle

@@ -1,66 +0,0 @@
-group = "com.example.rtc_sdk"
-version = "1.0-SNAPSHOT"
-
-buildscript {
-    ext.kotlin_version = "2.2.20"
-    repositories {
-        google()
-        mavenCentral()
-    }
-
-    dependencies {
-        classpath("com.android.tools.build:gradle:8.11.1")
-        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version")
-    }
-}
-
-allprojects {
-    repositories {
-        google()
-        mavenCentral()
-    }
-}
-
-apply plugin: "com.android.library"
-apply plugin: "kotlin-android"
-
-android {
-    namespace = "com.example.rtc_sdk"
-
-    compileSdk = 36
-
-    compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_17
-        targetCompatibility = JavaVersion.VERSION_17
-    }
-
-    kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_17
-    }
-
-    sourceSets {
-        main.java.srcDirs += "src/main/kotlin"
-        test.java.srcDirs += "src/test/kotlin"
-    }
-
-    defaultConfig {
-        minSdk = 24
-    }
-
-    dependencies {
-        testImplementation("org.jetbrains.kotlin:kotlin-test")
-        testImplementation("org.mockito:mockito-core:5.0.0")
-    }
-
-    testOptions {
-        unitTests.all {
-            useJUnitPlatform()
-
-            testLogging {
-               events "passed", "skipped", "failed", "standardOut", "standardError"
-               outputs.upToDateWhen {false}
-               showStandardStreams = true
-            }
-        }
-    }
-}

packages/rtc_sdk/android/build.gradle.kts

@@ -0,0 +1,71 @@
+group = "com.example.rtc_sdk"
+version = "1.0-SNAPSHOT"
+
+buildscript {
+    val kotlinVersion = "2.2.20"
+    repositories {
+        google()
+        mavenCentral()
+    }
+    dependencies {
+        classpath("com.android.tools.build:gradle:8.11.1")
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion")
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+plugins {
+    id("com.android.library")
+    id("org.jetbrains.kotlin.android")
+}
+
+android {
+    namespace = "com.example.rtc_sdk"
+    compileSdk = 36
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+
+    sourceSets {
+        getByName("main") { java.srcDirs("src/main/kotlin") }
+        getByName("test") { java.srcDirs("src/test/kotlin") }
+    }
+
+    defaultConfig {
+        minSdk = 24
+    }
+
+    testOptions {
+        unitTests {
+            isIncludeAndroidResources = true
+            all {
+                it.useJUnitPlatform()
+                it.outputs.upToDateWhen { false }
+                it.testLogging {
+                    events("passed", "skipped", "failed", "standardOut", "standardError")
+                    showStandardStreams = true
+                }
+            }
+        }
+    }
+}
+
+kotlin {
+    compilerOptions {
+        jvmTarget.set(org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_17)
+    }
+}
+
+dependencies {
+    // Compose BOM 统一管理子库版本，按需在各 SDK 中引入具体组件
+    testImplementation("org.jetbrains.kotlin:kotlin-test")
+    testImplementation("org.mockito:mockito-core:5.0.0")
+}

packages/rtc_sdk/ios/Classes/RtcSdkPlugin.swift

@@ -1,4 +1,4 @@
-import Flutter
+@preconcurrency import Flutter
 import UIKit
 
 public class RtcSdkPlugin: NSObject, FlutterPlugin {

packages/rtc_sdk/ios/rtc_sdk.podspec

@@ -19,7 +19,7 @@ A new Flutter plugin project.
 
   # Flutter.framework does not contain a i386 slice.
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386' }
-  s.swift_version = '5.0'
+  s.swift_version = '6.2'
 
   # If your plugin requires a privacy manifest, for example if it uses any
   # required reason APIs, update the PrivacyInfo.xcprivacy file to describe your