refactor: 简化项目配置，改用环境变量端口并专注 MSI 发布

- 重命名项目为 openbridgeTokenUsageViewer (camelCase 风格)
- 移除 DJB2 hash 端口计算，改用 PROJECT_SERVER_PORT 环境变量 (默认 3000)
- 删除 src/lib/project-port.ts 冗余模块
- 打包目标从 "all" 改为 "msi"，专注 Windows 安装程序发布

src-tauri/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "openbridge-token-usage-viewer"
+name = "openbridgeTokenUsageViewer"
 version = "0.1.0"
 description = "OpenBridge Token Usage Viewer"
 authors = ["imbytecat"]
@@ -11,7 +11,7 @@ edition = "2021"
 # The `_lib` suffix may seem redundant but it is necessary
 # to make the lib name unique and wouldn't conflict with the bin name.
 # This seems to be only an issue on Windows, see https://github.com/rust-lang/cargo/issues/8519
-name = "openbridge_token_usage_viewer_lib"
+name = "openbridgeTokenUsageViewer_lib"
 crate-type = ["staticlib", "cdylib", "rlib"]
 
 [build-dependencies]