Merge pull request 'fix: sysctl remote error tail report' (#13) from fix/sysctl-error-tail into main

app.py

@@ -1250,7 +1250,7 @@ async def system_sysctl_audit(host: str, _=Depends(_verify)):
         target = f'{inventory["user"]}@{inventory["ip"]}'
     rc, out, err = await asyncio.to_thread(_ssh, target, _sysctl_audit_command(), 30)
     if rc != 0:
-        raise HTTPException(502, (err or out).strip()[:300] or "sysctl audit failed")
+        raise HTTPException(502, (err or out).strip()[-500:] or "sysctl audit failed")
     try:
         result = json.loads(out)
     except json.JSONDecodeError as exc: