Add auto report of deleted messages #2401

Job	Run time
flake8	10s
ruff-lint	11s
uv-check	6s
pre-commit / autofix-pre-commit	2m 4s
pymarkdown	7s
pytest	23s
mypy (tests)	25s
mypy (package)	24s
build-and-publish	57s
release	0s
	4m 47s

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