Versão 0.5.0: bancos SQLite, saúde do disco, notificações, retomada, mapa GPS, inglês

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

crates/guara-core/src/notify.rs

@@ -0,0 +1,74 @@
+//! Notificações do sistema (varredura concluída, disco desconectado...), usando os
+//! comandos nativos de cada sistema, sem dependências extras.
+
+use std::process::{Command, Stdio};
+
+/// Envia uma notificação sem bloquear. Falhas são ignoradas (é só um aviso).
+pub fn send(title: &str, body: &str) {
+    let (title, body) = (title.to_string(), body.to_string());
+    std::thread::spawn(move || {
+        if let Some(mut c) = command(&title, &body) {
+            if let Ok(mut child) = c
+                .stdin(Stdio::null())
+                .stdout(Stdio::null())
+                .stderr(Stdio::null())
+                .spawn()
+            {
+                let _ = child.wait();
+            }
+        }
+    });
+}
+
+#[cfg(target_os = "linux")]
+fn command(title: &str, body: &str) -> Option<Command> {
+    // Como root, notifica na sessão do usuário real.
+    let mut c = if let Some(u) = crate::owner::invoking_user() {
+        let mut c = Command::new("runuser");
+        c.args(["-u", &u.name, "--", "env"]);
+        for k in ["DISPLAY", "XAUTHORITY", "WAYLAND_DISPLAY"] {
+            if let Ok(v) = std::env::var(k) {
+                c.arg(format!("{k}={v}"));
+            }
+        }
+        c.arg(format!("XDG_RUNTIME_DIR=/run/user/{}", u.uid));
+        c.arg(format!(
+            "DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/{}/bus",
+            u.uid
+        ));
+        c.arg("notify-send");
+        c
+    } else {
+        Command::new("notify-send")
+    };
+    c.args(["-a", "Guará", "-i", "drive-harddisk", title, body]);
+    Some(c)
+}
+
+#[cfg(target_os = "macos")]
+fn command(title: &str, body: &str) -> Option<Command> {
+    let esc = |s: &str| s.replace('\\', "\\\\").replace('"', "\\\"");
+    let mut c = Command::new("osascript");
+    c.args([
+        "-e",
+        &format!(
+            "display notification \"{}\" with title \"{}\"",
+            esc(body),
+            esc(title)
+        ),
+    ]);
+    Some(c)
+}
+
+#[cfg(windows)]
+fn command(title: &str, body: &str) -> Option<Command> {
+    let esc = |s: &str| s.replace('\'', "''");
+    let script = format!(
+        "Add-Type -AssemblyName System.Windows.Forms; Add-Type -AssemblyName System.Drawing; $n = New-Object System.Windows.Forms.NotifyIcon; $n.Icon = [System.Drawing.SystemIcons]::Information; $n.Visible = $true; $n.ShowBalloonTip(6000, '{}', '{}', [System.Windows.Forms.ToolTipIcon]::None); Start-Sleep -Seconds 7; $n.Dispose()",
+        esc(title),
+        esc(body)
+    );
+    let mut c = Command::new("powershell");
+    c.args(["-NoProfile", "-WindowStyle", "Hidden", "-Command", &script]);
+    Some(c)
+}