新增本地服务器管理面板

新增 egui 服务器管理面板并支持 SSH alias 多服务器巡检

接入硬件状态、服务状态、HTTP 探测和生产巡检状态展示

增加受控 systemd 启动关闭重启操作和中文字体注入

补充本地服务器面板技术方案与团队共享记忆

server-rs/crates/server-manager-panel/src/fonts.rs

@@ -0,0 +1,128 @@
+use std::path::{Path, PathBuf};
+use std::process::Command;
+use std::sync::Arc;
+
+use eframe::egui::{FontData, FontDefinitions, FontFamily};
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct CjkFontCandidate {
+    pub path: PathBuf,
+    pub index: u32,
+}
+
+pub fn install_cjk_font(ctx: &eframe::egui::Context) -> Option<CjkFontCandidate> {
+    let candidate = find_cjk_font_candidate()?;
+    let bytes = std::fs::read(&candidate.path).ok()?;
+    let mut font_data = FontData::from_owned(bytes);
+    font_data.index = candidate.index;
+
+    let mut definitions = FontDefinitions::default();
+    definitions
+        .font_data
+        .insert("genarrative-cjk".to_owned(), Arc::new(font_data));
+
+    // 中文注释：作为 fallback 注入，保留 egui 默认拉丁/图标字体，同时补齐中文 glyph。
+    for family in [FontFamily::Proportional, FontFamily::Monospace] {
+        definitions
+            .families
+            .entry(family)
+            .or_default()
+            .push("genarrative-cjk".to_owned());
+    }
+
+    ctx.set_fonts(definitions);
+    Some(candidate)
+}
+
+pub fn find_cjk_font_candidate() -> Option<CjkFontCandidate> {
+    if let Ok(path) = std::env::var("GENARRATIVE_SERVER_PANEL_CJK_FONT") {
+        if let Some(candidate) = parse_font_spec(&path) {
+            return Some(candidate);
+        }
+    }
+
+    const KNOWN_PATHS: &[(&str, u32)] = &[
+        ("/usr/share/fonts/opentype/noto/NotoSansCJK-Regular.ttc", 2),
+        ("/usr/share/fonts/opentype/noto/NotoSansCJK-Medium.ttc", 2),
+        ("/usr/share/fonts/truetype/wqy/wqy-zenhei.ttc", 0),
+        ("/usr/share/fonts/truetype/wqy/wqy-microhei.ttc", 0),
+        (
+            "/usr/share/fonts/truetype/droid/DroidSansFallbackFull.ttf",
+            0,
+        ),
+        (
+            "/home/dsk/.local/share/fonts/genarrative-cjk/usr/share/fonts/truetype/wqy/wqy-zenhei.ttc",
+            0,
+        ),
+    ];
+
+    for (path, index) in KNOWN_PATHS {
+        if Path::new(path).is_file() {
+            return Some(CjkFontCandidate {
+                path: PathBuf::from(path),
+                index: *index,
+            });
+        }
+    }
+
+    for family in [
+        "Noto Sans CJK SC",
+        "WenQuanYi Zen Hei",
+        "Droid Sans Fallback",
+    ] {
+        if let Some(candidate) = find_with_fc_match(family) {
+            return Some(candidate);
+        }
+    }
+
+    None
+}
+
+fn parse_font_spec(raw: &str) -> Option<CjkFontCandidate> {
+    let trimmed = raw.trim();
+    if trimmed.is_empty() {
+        return None;
+    }
+    let (path, index) = trimmed
+        .rsplit_once('|')
+        .and_then(|(path, index)| Some((path, index.parse().ok()?)))
+        .unwrap_or((trimmed, 0));
+    let path = PathBuf::from(path);
+    path.is_file().then_some(CjkFontCandidate { path, index })
+}
+
+fn find_with_fc_match(family: &str) -> Option<CjkFontCandidate> {
+    let output = Command::new("fc-match")
+        .arg("-f")
+        .arg("%{file}|%{index}\n")
+        .arg(family)
+        .output()
+        .ok()?;
+    if !output.status.success() {
+        return None;
+    }
+    let stdout = String::from_utf8_lossy(&output.stdout);
+    stdout.lines().find_map(parse_font_spec)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn parses_font_path_with_index() {
+        let candidate = parse_font_spec("/tmp/missing-font.ttc|2");
+        assert_eq!(candidate, None);
+    }
+
+    #[test]
+    fn finds_existing_system_cjk_font() {
+        let candidate = find_cjk_font_candidate();
+        assert!(
+            candidate
+                .as_ref()
+                .is_some_and(|candidate| candidate.path.is_file()),
+            "expected at least one CJK font on this development host"
+        );
+    }
+}