feat(sample): 添加示例应用的核心功能模块

- 实现环境配置管理，支持外部和本地主机模式切换
- 集成Demo API接口，包含登录、注册、文件上传等功能
- 构建附件处理仓库，支持图片、视频、音频和文件发送
- 开发认证仓库，管理用户会话和IM令牌刷新机制
- 添加语音录制功能，支持实时音频消息录制
- 创建依赖注入容器，统一管理应用组件实例
- 实现登录界面，提供用户认证交互功能
- 开发聊天界面，集成消息收发和媒体处理功能

Sources/XuqmSDK/Core/ApiClient.swift

@@ -45,11 +45,22 @@ public final class ApiClient: @unchecked Sendable {
             req.httpBody = try JSONEncoder().encode(b)
         }
 
+        if config.debug {
+            print("[XuqmSDK][HTTP] request", method, req.url?.absoluteString ?? path)
+        }
+
         let (data, response) = try await session.data(for: req)
         guard let http = response as? HTTPURLResponse, (200..<300).contains(http.statusCode) else {
+            if config.debug, let http = response as? HTTPURLResponse {
+                print("[XuqmSDK][HTTP] response", http.statusCode, req.url?.absoluteString ?? path)
+            }
             throw URLError(.badServerResponse)
         }
 
+        if config.debug {
+            print("[XuqmSDK][HTTP] response", http.statusCode, req.url?.absoluteString ?? path)
+        }
+
         let wrapper = try JSONDecoder().decode(ApiResponse<T>.self, from: data)
         if let result = wrapper.data {
             return result

Sources/XuqmSDK/Core/SDKConfig.swift

@@ -24,3 +24,21 @@ public struct SDKConfig: Sendable {
         self.debug = debug
     }
 }
+
+public extension SDKConfig {
+    static func development(
+        appId: String,
+        appSecret: String,
+        appKey: String? = nil,
+        debug: Bool = false
+    ) -> SDKConfig {
+        SDKConfig(
+            appId: appId,
+            appKey: appKey ?? appId,
+            appSecret: appSecret,
+            apiBaseURL: URL(string: "http://192.168.116.9:8081")!,
+            imWebSocketURL: URL(string: "ws://192.168.116.9:8082/ws/im")!,
+            debug: debug
+        )
+    }
+}