refactor(core): 拆分 model/mqtt/update 为单一职责子模块

- model/ 按领域拆为 connection/subscription/message/publish/variable/log/settings - mqtt/ 拆为门面(引擎与事件)、tls、v5、v4 四块 - update/ 拆为门面(版本工具与命名约定)、check(检查)、install(下载/安装/清理) - sysmon 只保留进程资源采样，窗口置顶迁至新 platform.rs - 对外路径经 mod.rs 再导出保持不变，测试随门面保留（33 通过）
2026-09-29 22:20:53 +08:00
parent 303b348ffe
commit b5089f5898
21 changed files with 3393 additions and 3252 deletions
@@ -0,0 +1,82 @@
+//! 应用设置：连接状态枚举、主题偏好与全局设置项。
+
+
+use serde::{Deserialize, Serialize};
+
+
+use super::*;
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
+pub enum ConnectionStatus {
+    #[default]
+    Disconnected,
+    Connecting,
+    Connected,
+    Error,
+}
+
+impl ConnectionStatus {
+    pub fn label(self) -> &'static str {
+        match self {
+            Self::Disconnected => "未连接",
+            Self::Connecting => "连接中",
+            Self::Connected => "已连接",
+            Self::Error => "错误",
+        }
+    }
+}
+
+// ─── 应用设置 ────────────────────────────────────────────────────────────────
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, Default)]
+#[serde(rename_all = "snake_case")]
+pub enum ThemeModePref {
+    Light,
+    Dark,
+    #[default]
+    System,
+}
+
+impl ThemeModePref {
+    pub const ALL: [Self; 3] = [Self::System, Self::Light, Self::Dark];
+
+    pub fn label(self) -> &'static str {
+        match self {
+            Self::System => "跟随系统",
+            Self::Light => "浅色",
+            Self::Dark => "深色",
+        }
+    }
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct AppSettings {
+    #[serde(default)]
+    pub theme: ThemeModePref,
+    /// 每条连接在内存中保留的最大消息条数
+    #[serde(default = "default_max_messages")]
+    pub max_messages: usize,
+    /// 时间戳是否显示毫秒
+    #[serde(default = "default_true")]
+    pub show_millis: bool,
+    /// 是否自动检查更新（占位，暂不实现更新）
+    #[serde(default = "default_true")]
+    pub auto_check_update: bool,
+}
+
+fn default_max_messages() -> usize {
+    2000
+}
+
+impl Default for AppSettings {
+    fn default() -> Self {
+        Self {
+            theme: ThemeModePref::default(),
+            max_messages: default_max_messages(),
+            show_millis: true,
+            auto_check_update: true,
+        }
+    }
+}
+
+// ─── 单元测试 ────────────────────────────────────────────────────────────────