Nebula 3.0.41

Changes since nebula-v3.0.40:

• c9b3ef62 Keep search and Work reads responsive under load (#914)
• 55408f25 Keep MCP catalog and capability reads off Core’s event loop (#913)
• fc98996f Keep Butler and Core reads responsive as history grows (#912)
• 70ee6328 Keep Butler settings sweeps off the Core event loop (#911)
• 0432ed7d Fix Butler Codex max-effort goal creation (#910)
• 582b3cf6 Fix early harness catalog refresh failure state (#909)
• 75cd8d3f Expand Butler's typed Core operator controls (#899)
• fa23bab4 Wait for pairing reload in harness catalog real-Core test (#908)