Relay Client & Subscriptions The layer between / and the raw relay connection. Ensures composables only subscribe to what is visible, deduplicates filters across screens, and rate-limits bulk queries like "fetch metadata for these 200 pubkeys". When to Use This Skill - Adding a new screen that needs events it doesn't already have (write a ). - Wiring a composable to subscribe on enter / unsubscribe on leave ( ). - Preloading metadata / profile pictures for a set of pubkeys ( ). - Deduplicating identical filters across concurrent screens. - Handling EOSE → "we have historical data, stop showin…