feat(presenter): 新建 unlucky-presenter,把 host/状态/DTO/设置桥从 app 迁出(M85 第 1 块)
D26(iced 重写)的关键一次性动作:UI 框架无关的宿主层独立成 crate, Slint 版(crates/app)与 iced 版(crates/app-iced)共用,Slint 退役后不再重写一遍。 - 新建 crates/presenter(package `unlucky-presenter` / lib `unlucky_presenter`), workspace 登记 + crate 文档头写清「这层为什么存在」、对外表面、UI 侧允许/禁止、 iced 接线骨架、以及哪些东西留在了 crates/app 及为什么。 - `git mv`(保留文件历史)迁入:host/(25 文件)、dto/(11 文件)、state.rs(+tests)、 prefs.rs、settings_bridge.rs、toast.rs、router.rs、dialogs.rs、wizard.rs、 mock.rs、mock_data.rs、backend.rs。模块路径与公开 API 名称不变(`host::install` 等), 内部实现零改动。 - 新增 `theme`:把原本混在 ui_bind/theme_runtime 里的**纯判据**(CONFIG_POLL_TICKS / SYSTEM_THEME_POLL_TICKS / TILE_REGENERATE_STEP / BackgroundKey / tile_viewport / system_theme_value / 两个 poll 判据)抽出来,附 5 个单测;app 侧改成调用它们。 - crates/app 改为消费者:删掉迁走的文件,`crate::host|state|dto|prefs|settings_bridge| toast|router|dialogs|wizard|mock|mock_data|backend` 全部改写为 `unlucky_presenter::*` (64 处),backend.rs 的 config_path/build_backend 提为 pub。 - crates/app-iced 只登记 unlucky-presenter 依赖,本 mission 不接线。 - prefs.rs 的 2 处 slint 文档引用改写;`grep -rn slint crates/presenter` 现在无输出。
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//! 实例相关 DTO:磁贴与列表视图的唯一数据源。
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use serde::{Deserialize, Serialize};
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use std::path::PathBuf;
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/// 实例标识:core::game 生成的稳定 id,app 视为不透明字符串。
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pub type InstanceId = String;
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/// 加载器种类(磁贴徽标 + 详情页版本链)。
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
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pub enum LoaderKind {
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/// 原版(无加载器)
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Vanilla,
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/// Fabric
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Fabric,
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/// Quilt
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Quilt,
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/// Forge
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Forge,
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/// NeoForge
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NeoForge,
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/// OptiFine
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OptiFine,
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/// LiteLoader
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LiteLoader,
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}
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impl LoaderKind {
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/// 徽标显示文字。
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pub fn label(self) -> &'static str {
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match self {
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Self::Vanilla => "原版",
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Self::Fabric => "Fabric",
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Self::Quilt => "Quilt",
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Self::Forge => "Forge",
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Self::NeoForge => "NeoForge",
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Self::OptiFine => "OptiFine",
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Self::LiteLoader => "LiteLoader",
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}
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}
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/// 稳定 id(`vanilla` / `fabric` / …;GUI 与 CLI 的 `--loader` 同词表)。
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pub fn as_str(self) -> &'static str {
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match self {
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Self::Vanilla => "vanilla",
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Self::Fabric => "fabric",
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Self::Quilt => "quilt",
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Self::Forge => "forge",
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Self::NeoForge => "neoforge",
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Self::OptiFine => "optifine",
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Self::LiteLoader => "liteloader",
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}
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}
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/// 从稳定 id 解析(未知给 `None`,由调用方决定报错文案)。
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pub fn parse(raw: &str) -> Option<Self> {
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Some(match raw.trim().to_ascii_lowercase().as_str() {
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"vanilla" | "none" | "" => Self::Vanilla,
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"fabric" => Self::Fabric,
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"quilt" => Self::Quilt,
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"forge" => Self::Forge,
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"neoforge" => Self::NeoForge,
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"optifine" => Self::OptiFine,
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"liteloader" => Self::LiteLoader,
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_ => return None,
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})
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}
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/// 向导里的可选加载器(顺序即展示顺序)。
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pub fn wizard_choices() -> [Self; 5] {
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[
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Self::Vanilla,
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Self::Fabric,
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Self::Quilt,
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Self::Forge,
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Self::NeoForge,
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]
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}
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}
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/// 加载器 + 版本(例如 Fabric 0.16.5)。
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#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
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pub struct LoaderInfo {
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/// 加载器种类
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pub kind: LoaderKind,
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/// 加载器版本号;原版为空串
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pub version: String,
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}
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impl Default for LoaderInfo {
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fn default() -> Self {
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Self {
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kind: LoaderKind::Vanilla,
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version: String::new(),
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}
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}
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}
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impl LoaderInfo {
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/// 徽标文字:原版只写「原版」,装加载器时写「Fabric 0.16.5」。
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pub fn badge(&self) -> String {
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if self.kind == LoaderKind::Vanilla || self.version.is_empty() {
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self.kind.label().to_string()
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} else {
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format!("{} {}", self.kind.label(), self.version)
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}
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}
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}
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/// 字节进度;`total == 0` 表示总量未知(UI 转不确定态)。
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Default, Serialize, Deserialize)]
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pub struct Progress {
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/// 已完成量
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pub done: u64,
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/// 总量;0 = 未知
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pub total: u64,
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}
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impl Progress {
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/// 0.0~1.0;未知总量返回 0.0。
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pub fn ratio(self) -> f32 {
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if self.total == 0 {
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0.0
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} else {
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(self.done as f32 / self.total as f32).clamp(0.0, 1.0)
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}
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}
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/// 总量是否已知。
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pub fn is_known(self) -> bool {
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self.total > 0
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}
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}
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/// 启动管线阶段(磁贴进度环的文案来源;D8 的 10 阶段在 P1 细化)。
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
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pub enum LaunchStage {
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/// 下载资源
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Download,
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/// 校验文件
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Verify,
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/// 组装命令行并拉起进程
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Launch,
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/// 进程已起、等待游戏窗口(M28 的窗口检测阶段)
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Window,
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}
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impl LaunchStage {
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/// 磁贴上的阶段文案。
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pub fn label(self) -> &'static str {
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match self {
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Self::Download => "下载资源",
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Self::Verify => "校验文件",
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Self::Launch => "组装命令行",
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Self::Window => "等待窗口",
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}
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}
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}
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/// 实例运行时状态(磁贴的四种外观)。
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#[derive(Debug, Clone, PartialEq, Eq, Default, Serialize, Deserialize)]
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pub enum InstanceRuntime {
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/// 空闲
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#[default]
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Idle,
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/// 启动管线进行中
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Busy {
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/// 当前阶段
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stage: LaunchStage,
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/// 该阶段进度
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progress: Progress,
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},
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/// 游戏进程存活
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Running {
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/// 进程号(停止/诊断用)
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pid: u32,
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},
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/// 上次启动失败(磁贴显示「重试」)
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Failed {
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/// 失败原因(用户可见文案)
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reason: String,
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},
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}
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/// 实例摘要:磁贴/列表视图唯一数据源。
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#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
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pub struct InstanceSummary {
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/// 稳定 id
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pub id: InstanceId,
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/// 显示名
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pub name: String,
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/// 游戏版本(如 1.20.4)
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pub mc_version: String,
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/// 加载器信息
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pub loader: LoaderInfo,
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/// ISO-8601 UTC 最后游玩时间;None = 从未启动
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pub last_played: Option<String>,
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/// 运行时状态
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pub runtime: InstanceRuntime,
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/// 实例图标路径(P0 直接给路径;P1 换成 core 提供的图像句柄)
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pub icon: Option<PathBuf>,
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/// 隔离档位(`isolated` / `shared` / `custom`;未知为空)
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pub isolation: String,
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/// 该实例绑定的版本 id(详情页/启动用)
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pub version_id: String,
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/// 版本本体是否在盘上(缺载荷时磁贴亮黄条)
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pub version_present: bool,
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}
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/// 新建实例向导提交给 host 的请求(已通过向导校验)。
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#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
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pub struct CreateRequest {
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/// 目标原版版本 id(`1.20.4`)
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pub version: String,
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/// 加载器
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pub loader: LoaderKind,
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/// 加载器版本(空 = 让 core 取最新)
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pub loader_version: String,
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/// 实例名(空 = 用版本 id / 加载器版本 id)
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pub name: String,
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}
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impl CreateRequest {
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/// 实际使用的实例名。
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pub fn instance_name(&self) -> String {
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if self.name.trim().is_empty() {
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self.version.clone()
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} else {
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self.name.trim().to_string()
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn loader_badges_and_ids() {
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let vanilla = LoaderInfo::default();
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assert_eq!(vanilla.badge(), "原版");
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let fabric = LoaderInfo {
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kind: LoaderKind::Fabric,
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version: "0.16.5".to_string(),
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};
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assert_eq!(fabric.badge(), "Fabric 0.16.5");
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for kind in LoaderKind::wizard_choices() {
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assert_eq!(LoaderKind::parse(kind.as_str()), Some(kind));
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}
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assert_eq!(LoaderKind::parse("fabric"), Some(LoaderKind::Fabric));
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assert_eq!(LoaderKind::parse("unknown"), None);
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}
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#[test]
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fn progress_ratio_handles_unknown_total() {
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assert_eq!(Progress { done: 1, total: 0 }.ratio(), 0.0);
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assert!((Progress { done: 1, total: 4 }.ratio() - 0.25).abs() < f32::EPSILON);
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}
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#[test]
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fn create_request_defaults_name_to_version() {
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let request = CreateRequest {
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version: "1.20.4".to_string(),
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loader: LoaderKind::Vanilla,
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loader_version: String::new(),
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name: " ".to_string(),
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};
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assert_eq!(request.instance_name(), "1.20.4");
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}
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#[test]
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fn instance_summary_is_serde_round_trip_safe() {
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let instance = InstanceSummary {
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id: "inst-1".to_string(),
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name: "生存".to_string(),
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mc_version: "1.20.4".to_string(),
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loader: LoaderInfo {
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kind: LoaderKind::Fabric,
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version: "0.16.5".to_string(),
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},
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last_played: Some("2026-10-31T12:00:00.000Z".to_string()),
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runtime: InstanceRuntime::Busy {
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stage: LaunchStage::Window,
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progress: Progress { done: 1, total: 2 },
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},
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icon: None,
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isolation: "isolated".to_string(),
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version_id: "1.20.4".to_string(),
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version_present: true,
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};
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let text = serde_json::to_string(&instance).expect("序列化");
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let back: InstanceSummary = serde_json::from_str(&text).expect("反序列化");
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assert_eq!(back, instance);
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}
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}
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