Writing a hook (HookStore)

hook "my-hook" {
  kind     = "remote"
  chain    = "base"
  adapter  = "0x…"
  triggers = ["fee_threshold", "interval"]
  budget   = { min_usd = 100, max_usd_per_epoch = 2000 }
  inputs   = { topic = "string" }
}

• Spec + versioned adapter
• Budget and spend caps declared up front
• Review before listing
• Usage and failure stats public