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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//! 真实后端：把 core（game/launch/install/auth/java/diagnose/setting）装配成 GUI 的 host。
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//!
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//! 边界：本模块是**整个 presenter crate 里唯一**允许 `use unlucky_core::…` 的地方（连同
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//! `settings_bridge`）；出口只有 [`crate::dto`] 的快照/事件。线程模型：
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//!
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//! ```text
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//! dispatch(AppCommand) ──► 立即动作（读盘/写设置）或 spawn 后台线程
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//! 后台线程 ──HostTask──► rx ──tick()──► CoreEvent ──► state.apply()
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//! tick() 另外每 ~600ms 尾随一次运行中会话的 JSONL（实时日志滚动）
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//! ```
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//!
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//! AI 对话暂时仍由 [`MockBackend`] 提供脚本回复（agent 的 GUI host 是后续 mission）；
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//! 其余页面全部走真实 core。
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mod accounts;
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mod dispatch;
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mod engine;
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pub mod env;
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mod game;
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mod handle;
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mod identity;
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mod install;
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mod install_journal;
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mod install_processors;
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mod java;
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mod job;
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mod launch;
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mod logs;
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mod meter;
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mod opener;
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mod settings;
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mod versions;
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use std::collections::{BTreeMap, BTreeSet, VecDeque};
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use std::time::Duration;
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use crate::dto::{
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AccountView, AppCommand, AppEvent, Backend, CoreEvent, DiagnosisReport, InstallProgressView,
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InstanceRuntime, JavaChainStep, NoticeView,
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};
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use crate::mock::MockBackend;
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use crate::toast::{Toast, ToastKind};
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use accounts::LoginJob;
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pub use env::HostEnv;
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use job::{HostTask, JobReceiver, JobSender};
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/// 每拍最多处理的后台消息数（防止一次 tick 吃掉整帧预算）。
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const MAX_TASKS_PER_TICK: usize = 64;
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/// 实时日志尾随间隔（拍数，33ms/拍 → 约 600ms 一次）。
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const TAIL_POLL_TICKS: u64 = 18;
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/// 一次在跑的启动（并发启动时按实例 id 区分，停止/尾随都不会串到别的实例）。
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#[derive(Debug, Clone, PartialEq, Eq)]
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struct LiveLaunch {
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instance: String,
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session: String,
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pid: u32,
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}
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/// 真实 host。
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pub struct CoreHost {
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env: HostEnv,
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events: VecDeque<AppEvent>,
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tx: JobSender,
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rx: JobReceiver,
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ticks: u64,
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/// 当前启动账户 id（内存态；跨会话持久化要 core schema 增键，见 handoff）
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active_account: Option<String>,
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accounts: Vec<AccountView>,
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login: Option<LoginJob>,
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java_chain: Vec<JavaChainStep>,
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java_busy: bool,
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java_message: String,
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install: Option<InstallProgressView>,
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notices: Vec<NoticeView>,
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/// 在跑的启动（实例 → 会话 → pid；支持多个实例同时启动，停止按 id 找正确的 pid）
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launches: Vec<LiveLaunch>,
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/// 已受理但后台线程还没回报 `LaunchStarted` 的实例（防「启动中重复点启动」起第二个进程）
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pending: BTreeSet<String>,
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/// 上次启动失败的实例与原因（刷新快照时保住磁贴的「失败/重试」外观）
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failed: BTreeMap<String, String>,
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/// 实时日志尾随器
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tail: logs::Tail,
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/// AI 对话的临时后端（agent GUI host 落地前的占位）
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chat: MockBackend,
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/// 当前安装任务的取消标记（阶段边界检查）
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install_cancel: Option<std::sync::Arc<std::sync::atomic::AtomicBool>>,
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}
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impl CoreHost {
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/// 按便携数据根装配；解析不出数据根返回 `None`（调用方退回 mock）。
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pub fn open() -> Option<Self> {
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HostEnv::resolve().map(Self::new)
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}
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/// 用给定环境装配（截图/单测通道）。
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pub fn new(env: HostEnv) -> Self {
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Self::build(env, true)
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}
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/// 单测用：不跑 `refresh_all`（不起版本清单网络线程），其余装配一致。
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#[cfg(test)]
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pub(crate) fn headless(env: HostEnv) -> Self {
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Self::build(env, false)
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}
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fn build(env: HostEnv, refresh: bool) -> Self {
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let (tx, rx) = job::channel();
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game::ensure_root(&env);
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let mut host = Self {
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env,
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events: VecDeque::new(),
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tx,
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rx,
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ticks: 0,
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active_account: None,
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accounts: Vec::new(),
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login: None,
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java_chain: Vec::new(),
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java_busy: false,
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java_message: String::new(),
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install: None,
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notices: Vec::new(),
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launches: Vec::new(),
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pending: BTreeSet::new(),
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failed: BTreeMap::new(),
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tail: logs::Tail::default(),
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chat: MockBackend::default(),
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install_cancel: None,
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};
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if refresh {
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host.refresh_all();
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}
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host
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}
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/// 数据根（截图/诊断展示用）。
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pub fn env(&self) -> &HostEnv {
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&self.env
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}
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fn send(&mut self, event: CoreEvent) {
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self.events.push_back(AppEvent::Core(event));
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}
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fn toast(&mut self, kind: ToastKind, text: impl Into<String>) {
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self.events.push_back(AppEvent::Toast(Toast {
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id: 0,
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kind,
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text: text.into(),
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remaining_ms: 0,
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}));
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}
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/// 全量刷新：实例 / 会话 / 账户 / 设置 / Java，并触发一次版本清单拉取。
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pub fn refresh_all(&mut self) {
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self.refresh_instances();
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self.send(CoreEvent::LogSessionsChanged(logs::sessions(&self.env)));
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self.refresh_accounts();
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self.send(CoreEvent::SettingsChanged(settings::groups(&self.env)));
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self.refresh_java();
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versions::spawn_list(self.env.clone(), self.tx.clone());
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}
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/// 重建实例快照，并把**真实运行时**盖回去。
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///
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/// `game::instances` 只读盘（每条都是 `Idle`），所以在跑的实例必须在重建后按
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/// host 自己的启动表覆写 `Running{pid}`/`Busy`，否则任意一次刷新（装版本成功、
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/// 加删账户、另一实例收尾）都会把磁贴打回 Idle：停止键与「运行中」条消失，
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/// 进程还在跑却再也停不下来。
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fn refresh_instances(&mut self) {
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let mut instances = game::instances(&self.env);
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for instance in &mut instances {
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if let Some(live) = self
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.launches
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.iter()
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.find(|live| live.instance == instance.id)
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{
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instance.runtime = InstanceRuntime::Running { pid: live.pid };
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} else if self.pending.contains(&instance.id) {
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instance.runtime = InstanceRuntime::Busy {
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stage: crate::dto::LaunchStage::Launch,
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progress: crate::dto::Progress { done: 0, total: 1 },
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};
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} else if let Some(reason) = self.failed.get(&instance.id) {
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instance.runtime = InstanceRuntime::Failed {
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reason: reason.clone(),
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};
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}
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}
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self.send(CoreEvent::InstancesChanged(instances));
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}
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fn refresh_accounts(&mut self) {
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self.accounts = accounts::accounts(&self.env, self.active_account.as_deref());
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if self.active_account.is_none() {
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// 默认选中第一个账户（没有账户时保持 None = 离线占位）
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self.active_account = self.accounts.first().map(|account| account.id.clone());
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self.accounts = accounts::accounts(&self.env, self.active_account.as_deref());
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}
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self.send(CoreEvent::AccountsChanged(self.accounts.clone()));
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}
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fn refresh_java(&mut self) {
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let page = java::page(
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&self.env,
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self.java_chain.clone(),
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self.java_busy,
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&self.java_message,
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);
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self.send(CoreEvent::JavaChanged(page));
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}
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fn push_notice(&mut self, notice: NoticeView) {
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self.notices.retain(|existing| existing.id != notice.id);
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self.notices.push(notice);
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self.send(CoreEvent::NoticesChanged(self.notices.clone()));
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}
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/// 打开一个会话（日志行 + 诊断）。
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fn open_session(&mut self, id: &str) {
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let (lines, diagnosis) = logs::open(&self.env, id);
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self.send(CoreEvent::LogLinesChanged(lines));
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self.send(CoreEvent::DiagnosisReady(diagnosis.unwrap_or(
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DiagnosisReport {
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session: id.to_string(),
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diagnosis: crate::dto::Diagnosis {
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rule: String::new(),
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title: "该会话没有命中已知规则".to_string(),
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confidence: 0,
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hint: "可点「让 AI 详解」把日志交给模型进一步分析".to_string(),
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fix: None,
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},
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},
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)));
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}
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/// 由实例名/版本 id 找启动目标。
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fn launch_target(&self, id: &str) -> Option<launch::LaunchTarget> {
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let instance = game::instances(&self.env)
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.into_iter()
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.find(|instance| instance.id == id || instance.name == id)?;
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Some(launch::LaunchTarget {
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id: instance.id,
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name: instance.name,
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version_id: instance.version_id,
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account: self.active_account.clone(),
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})
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}
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/// 某实例是否已在启动/运行（`pending` 与 `launches` 的并集）。
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///
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/// 只查 `launches` 不够：`launch::start` 到后台线程回报 `LaunchStarted` 之间有窗口，
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/// 这期间重复点启动会起第二个进程、并把旧 pid 在启动表里顶掉（旧进程变孤儿）。
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fn in_flight(&self, key: &str) -> bool {
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self.pending.contains(key) || self.launches.iter().any(|live| live.instance == key)
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}
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/// 标记「已受理、等后台线程回报」（`launch::start` 之后的窗口）。
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///
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/// 单测也走这个入口而不是直接改 `pending`，保证测的是真实状态流转。
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fn mark_pending(&mut self, id: &str) {
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self.pending.insert(id.to_string());
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self.failed.remove(id);
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}
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fn start_launch(&mut self, id: &str) {
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if self.in_flight(id) {
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self.toast(ToastKind::Warn, "这个实例已经在启动/运行中");
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return;
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}
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let Some(target) = self.launch_target(id) else {
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self.toast(ToastKind::Error, format!("找不到实例 {id}"));
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return;
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};
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let instance_id = target.id.clone();
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if self.in_flight(&instance_id) {
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self.toast(ToastKind::Warn, "这个实例已经在启动/运行中");
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return;
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}
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self.mark_pending(&instance_id);
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if let Some(notice) = game::mode_change_notice(&self.env, &instance_id) {
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self.push_notice(notice);
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}
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self.send(CoreEvent::InstanceRuntimeChanged {
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id: instance_id.clone(),
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runtime: InstanceRuntime::Busy {
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stage: crate::dto::LaunchStage::Launch,
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progress: crate::dto::Progress { done: 0, total: 1 },
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},
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});
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launch::start(self.env.clone(), self.tx.clone(), target);
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}
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/// 某实例在跑的 pid（按实例 id 查启动表；不再有「最近一次启动」这种单槽）。
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///
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/// 兜底分支读实例快照的 `Running { pid }`：host 自己发的运行时事件会写回快照，
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/// 但快照是重建的（`game::instances` 每次 Idle），所以这层只是给将来留的口。
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fn running_pid(&self, id: &str) -> Option<u32> {
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if let Some(live) = self.launches.iter().find(|live| live.instance == id) {
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return Some(live.pid);
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}
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game::instances(&self.env)
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.into_iter()
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.find(|instance| instance.id == id)
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.and_then(|instance| match instance.runtime {
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InstanceRuntime::Running { pid } => Some(pid),
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_ => None,
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})
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}
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}
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impl Backend for CoreHost {
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fn drain_events(&mut self) -> Vec<AppEvent> {
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self.events.drain(..).collect()
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}
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fn dispatch(&mut self, command: AppCommand) {
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self.dispatch_command(command);
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}
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fn tick(&mut self, elapsed: Duration) {
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self.chat.tick(elapsed);
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for event in self.chat.drain_events() {
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self.events.push_back(event);
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}
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for _ in 0..MAX_TASKS_PER_TICK {
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let Ok(task) = self.rx.try_recv() else {
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break;
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};
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self.handle(task);
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}
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self.ticks += 1;
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if self.ticks.is_multiple_of(TAIL_POLL_TICKS) {
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self.poll_tail();
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}
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}
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}
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#[cfg(test)]
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#[path = "launch_state_tests.rs"]
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mod launch_state_tests;
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Block a user