LSPS1 integration tracking issue

[tnull]

• Refactor LSPS1 service side
• Add client-side validation of OrderParameters vs LSPS1Options
• Add service-side validation of OrderParameters vs LSPS1Options
• Extend client-side configuration
• Extend service-side configuration
• Extend service-side API (e.g., to signal/forward channel_ready)
• Add service-side persistence (where needed)
• Add integration tests