Broker

Routes messages to multiple outputs simultaneously.

Field	Type	Default	Description
Pattern	string	fan_out	Routing pattern
Outputs	array	—	List of output configurations

Available patterns:

• fan_out — Send to all outputs in parallel.
• fan_out_sequential — Send to all outputs in order.
• round_robin — Distribute across outputs.
• greedy — Send to the first available output.

Variants with _fail_fast stop on first error.