GTM API / Search webhooks

List webhook subscriptions owned by the caller's team with filter, sort and cursor pagination. Filter by status, subscribed event types (events.contains / contains_any), account narrowing or name; include=latest_webhook_logs for the recent-delivery view. secret is masked (null) on every read. Use this to find a webhook sid before calling webhook-scoped tools. Contract: - MCP tool search_webhooks, registry package mcp.orchestration/webhooks, mount orchestration.webhooks. - Operation search, response envelope search. - Flags: read only.