The actions API opens

POST /api/v1/actions/{id} with API keys, per-action scopes with version, idempotency keys, three outcomes and signed webhooks. First public action: miira.lead_create.

Actions this change touches

• miira.lead_createCreates a new lead in the workspace CRM from its contact details. If a matching one already exists it is not duplicated: the reply is `ambiguous` with the candidates.v1