The per-message context passed to a node's pure-core and effect-shell.
Holds the effect capability struct (from Bloccs.Effects.bind/1), the
wall-clock receipt time, and an arbitrary metadata bag for things like
request_id, retries, telemetry tags.
Summary
Types
@type t() :: %Bloccs.Context{ effects: Bloccs.Effects.Capabilities.t(), meta: map(), received_at: DateTime.t() }