Streaming Hub 0.1
Define actions
Expose plugin operations as configurable sequence steps.
AlphaDescriptor
Return stable action IDs, display metadata, property schemas and documented output fields from IActionProvider.
Execution
Read configured values with PluginValueReader and run the operation through ExecuteAsync. Honor the cancellation token and host timeout.
Output and errors
Write documented results through the execution context and use host logging. Throw or return failures consistently with the declared behavior.