Research and analysis of outbox implementations from nosotros, noStrudel,
and jumble to create a comprehensive improvement plan for Grimoire.
Priority improvements (docs/outbox-improvements-plan.md):
1. Relay Performance Scoring - track response time, connection time, stability
2. Adaptive Timeouts - use historical data for per-relay timeouts
3. Per-Relay Filter Optimization - send only relevant authors to each relay
4. Custom Scoring Function - combine coverage + performance in selection
Future work saved in docs/outbox-future-work.md:
5. Progressive Relay Selection
6. NIP-66 Relay Discovery