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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AskaEth committed 2026-11-02 09:29:31 +08:00
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//! 设置页 DTO:设置分组的通用行模型。
//!
//! 「行」是 UI 与 `core::setting` schema 之间的唯一形状:一行 = 一个键 + 一种控件 +
//! 当前值。写回走 [`crate::dto::AppCommand::SetSetting`],由 host 用 `SettingStore::set`
//! 落盘(不自己拼 JSON、不另立配置文件,`AGENTS §6`)。
use serde::{Deserialize, Serialize};
/// 控件类型(决定设置页画什么)。
#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum SettingControl {
/// 开关
Toggle,
/// 分段单选(`options` + `selected`)
Choice,
/// 单行文本(`value_text`)
Text,
/// 只读展示(当前路径/当前版本这类)
ReadOnly,
/// 动作按钮(`action` 给回调 id)
Action,
}
/// 一行设置。
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
pub struct SettingRowView {
/// schema 键(`download.concurrency`)
pub key: String,
/// 行标题
pub label: String,
/// 说明/当前值附注
pub description: String,
/// 控件
pub control: SettingControl,
/// 开关值
pub flag: bool,
/// 单选序号
pub selected: i32,
/// 单选项文案
pub options: Vec<String>,
/// 文本值
pub value_text: String,
/// 动作 id(`detect_region` 这类)
pub action: String,
}
impl SettingRowView {
/// 开关行。
pub fn toggle(key: &str, label: &str, description: &str, value: bool) -> Self {
Self {
key: key.to_string(),
label: label.to_string(),
description: description.to_string(),
control: SettingControl::Toggle,
flag: value,
selected: 0,
options: Vec::new(),
value_text: String::new(),
action: String::new(),
}
}
/// 单选行。
pub fn choice(
key: &str,
label: &str,
description: &str,
options: &[&str],
selected: i32,
) -> Self {
Self {
key: key.to_string(),
label: label.to_string(),
description: description.to_string(),
control: SettingControl::Choice,
flag: false,
selected,
options: options.iter().map(|item| (*item).to_string()).collect(),
value_text: String::new(),
action: String::new(),
}
}
/// 文本行。
pub fn text(key: &str, label: &str, description: &str, value: &str) -> Self {
Self {
key: key.to_string(),
label: label.to_string(),
description: description.to_string(),
control: SettingControl::Text,
flag: false,
selected: 0,
options: Vec::new(),
value_text: value.to_string(),
action: String::new(),
}
}
/// 只读行。
pub fn read_only(label: &str, value: &str) -> Self {
Self {
key: String::new(),
label: label.to_string(),
description: value.to_string(),
control: SettingControl::ReadOnly,
flag: false,
selected: 0,
options: Vec::new(),
value_text: value.to_string(),
action: String::new(),
}
}
/// 动作行。
pub fn action(key: &str, label: &str, description: &str, action: &str) -> Self {
Self {
key: key.to_string(),
label: label.to_string(),
description: description.to_string(),
control: SettingControl::Action,
flag: false,
selected: 0,
options: Vec::new(),
value_text: String::new(),
action: action.to_string(),
}
}
}
/// 一个设置分组(设置页右栏的一段)。
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
pub struct SettingGroupView {
/// 分组 id(与设置页子导航的 `SettingSection` 同名:download / java / data / ai / mcp)
pub id: String,
/// 分组标题
pub title: String,
/// 行
pub rows: Vec<SettingRowView>,
}
impl SettingGroupView {
/// 建组。
pub fn new(id: &str, title: &str) -> Self {
Self {
id: id.to_string(),
title: title.to_string(),
rows: Vec::new(),
}
}
/// 追加一行(链式)。
pub fn with(mut self, row: SettingRowView) -> Self {
self.rows.push(row);
self
}
}
/// 在分组快照里找一个键的当前值(设置页回填用)。
pub fn find_row<'a>(groups: &'a [SettingGroupView], key: &str) -> Option<&'a SettingRowView> {
groups
.iter()
.flat_map(|group| group.rows.iter())
.find(|row| row.key == key)
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn rows_carry_exactly_one_control_kind() {
let toggle = SettingRowView::toggle("agent.mcp.enabled", "MCP", "", true);
assert_eq!(toggle.control, SettingControl::Toggle);
assert!(toggle.flag);
let choice = SettingRowView::choice("download.region", "地区", "", &["auto", "cn"], 1);
assert_eq!(choice.options, vec!["auto", "cn"]);
assert_eq!(choice.selected, 1);
let action = SettingRowView::action("java.action", "检测", "", "detect_region");
assert_eq!(action.action, "detect_region");
}
#[test]
fn find_row_scans_all_groups() {
let groups = vec![
SettingGroupView::new("download", "下载").with(SettingRowView::text(
"download.proxy_url",
"代理",
"",
"",
)),
SettingGroupView::new("mcp", "MCP").with(SettingRowView::toggle(
"agent.mcp.enabled",
"开关",
"",
false,
)),
];
assert_eq!(
find_row(&groups, "agent.mcp.enabled").map(|row| row.label.as_str()),
Some("开关")
);
assert!(find_row(&groups, "nope").is_none());
}
#[test]
fn rows_are_serde_round_trip_safe() {
let group = SettingGroupView::new("download", "下载").with(SettingRowView::choice(
"download.concurrency",
"并发",
"",
&["4", "8", "16"],
1,
));
let text = serde_json::to_string(&group).expect("序列化");
let back: SettingGroupView = serde_json::from_str(&text).expect("反序列化");
assert_eq!(back, group);
}
}