fix(servers): prevent false "Service Restart Failed" on slow restart

- Raise frontend timeout: restartService 15s→300s, restartNginx 15s→60s
- Add SSH-level timeout to restartManagedService (300s) & reloadNginx (60s)

src/lib/api.ts

@@ -1466,13 +1466,13 @@ export const servers = {
     post<{ success: boolean; message: string }>(
       `/servers/${id}/nginx/restart`,
       {},
-      { timeoutMs: 15000 },
+      { timeoutMs: 60000 },
     ),
   restartService: (id: string, service: string) =>
     post<{ success: boolean; message: string }>(
       `/servers/${id}/services/${encodeURIComponent(service)}/restart`,
       {},
-      { timeoutMs: 15000 },
+      { timeoutMs: 300000 },
     ),
   manageWebStack: (
     id: string,

src/server/services/ssh-services/commands.ts

@@ -50,7 +50,7 @@ function buildTrackedCommand(command: string, runId: string) {
     'wait "$child"',
     "code=$?",
     "set -e",
-    "exit \"$code\"",
+    'exit "$code"',
   ].join("\n");
 
   return `bash -lc ${shellQuote(script)}`;

src/server/services/ssh-services/server-config.ts

@@ -406,6 +406,7 @@ export async function restartNginx(server: Server): Promise<void> {
       server,
       'bash -lc "systemctl restart nginx || systemctl restart apache2 || systemctl restart httpd"',
     ),
+    { timeoutMs: 60000 },
   );
 }
 
@@ -455,6 +456,8 @@ export async function restartManagedService(
       server,
       `bash -lc ${escapeShellArg(`systemctl restart ${normalized}`)}`,
     ),
+    // ponytail: 5m matches frontend; lower if service restart is always fast
+    { timeoutMs: 300000 },
   );
 }