Add SyntheticDiD validation diagnostics #1048

Job	Run time
Pure Python Fallback	1h 1m 39s
Rust Unit Tests (macos-latest)	1m 15s
Rust Unit Tests (ubuntu-latest)	1m 29s
Rust Unit Tests (ubuntu-24.04-arm)	1m 25s
Rust Unit Tests (windows-latest)	2m 22s
Python Tests (macos-latest, py3.13)	18m 29s
Python Tests (ubuntu-latest, py3.14)	37m 4s
Python Tests (ubuntu-24.04-arm, py3.11)	20m 28s
Python Tests (windows-latest, py3.13)	41m 21s
Python Tests (macos-latest, py3.11)	22m 3s
Python Tests (windows-latest, py3.11)	39m 49s
Python Tests (ubuntu-latest, py3.13)	36m 41s
Python Tests (ubuntu-24.04-arm, py3.13)	20m 37s
Python Tests (macos-latest, py3.14)	32m 10s
Python Tests (ubuntu-24.04-arm, py3.14)	21m 8s
Python Tests (windows-latest, py3.14)	35m 45s
Python Tests (ubuntu-latest, py3.11)	40m 19s
	7h 14m 4s

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