Pattern: Non-Uniform Correlated Receive

Show how to receive n related messages for processing. Correlate based on message contents.
- independently deployable
- self-contained demo
- independent documentation
- intended to be built upon
- message tracking and reporting with promoted properties
- Show completion based on control message, number of messages, duration
- Show how to raise alerts if messages no subsequent messages received if expected

The issue names no files, tests, or entry points; first inspect existing pattern demos and deployment conventions in the repository. Done means a self-contained, independently deployable demo with independent documentation covering correlation, promoted-property tracking and reporting, the listed completion conditions, and alerts for missing expected messages.

Written by the indexing model from the issue text.