feat(server): 初始化 rtty-server 项目结构与基础依赖

Cargo.toml

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+[package]
+name = "rtty-server"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+# 1. 异步运行时与 Web 框架
+tokio = { version = "1.38", features = ["full"] }
+axum = { version = "0.7", features = ["ws"] }
+tower-http = { version = "0.5", features = ["cors", "trace"] }
+
+# 2. PTY 驱动与终端状态引擎
+portable-pty = "0.8"
+alacritty_terminal = "0.24"
+
+# 3. 序列化与数据传输 (支持移动端 JSON 重排协议)
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+
+# 4. 日志与并发工具
+tracing = "0.1"
+tracing-subscriber = { version = "0.3", features = ["env-filter"] }
+anyhow = "1.0"
+dashmap = "6.0" # 高并发线程安全的 SessionMap
+
+
+[profile.release]
+opt-level = 3
+lto = true
+codegen-units = 1
+strip = true