feat(pixelle): 连接凭证 admin 端点(GET/PUT 掩码 + 重启)

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

src/services/pixelle_connection.rs

@@ -71,6 +71,22 @@ pub fn sync_to_pixelle(config_path: &str, conn: &PixelleConnection) -> AppResult
     Ok(backup)
 }
 
+pub async fn restart_pixelle(compose_dir: &str) -> AppResult<()> {
+    let output = tokio::process::Command::new("docker")
+        .args(["compose", "restart", "api"])
+        .current_dir(compose_dir)
+        .output()
+        .await
+        .map_err(|e| AppError::ServiceUnavailable(format!("docker compose restart 启动失败: {e}")))?;
+    if !output.status.success() {
+        let stderr = String::from_utf8_lossy(&output.stderr);
+        return Err(AppError::ServiceUnavailable(format!(
+            "Pixelle 重启失败: {}", stderr.trim()
+        )));
+    }
+    Ok(())
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;