[I] Support Server-Sent Events (SSE) in workflows [incubator-kie]

["masayag (via GitHub)" <gi...@apache.org>]

masayag opened a new issue, #6934:
URL: https://github.com/apache/incubator-kie/issues/6934

   Although SSE is not yet supported by the OpenAPI specification ([discussion](https://github.com/OAI/OpenAPI-Specification/discussions/4171)), adding SSE support to the rest integration would enable workflows to handle long-lived HTTP connections that stream events over time.
   
   When a REST request includes the Accept: text/event-stream header, the server returns a continuous stream of events rather than a single response. Supporting this pattern allows workflows to react to incoming data in real-time, making it suitable for monitoring, notifications, and other streaming use cases.
   
   An optional enhancement could include event filtering by event ID or by specific fields in the data payload, allowing for more targeted handling of the event stream.
   
   Motivation:
   - Enables workflows to handle real-time, long-lived event streams over HTTP.
   - Aligns with event-driven architectures without requiring polling or intermediary messaging systems.
   
   
   


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