test(lpdid): add R-parity validation harness (Dube et al. 2025), Phas… #2525

Job	Run time
Rust Unit Tests (windows-latest)	3m 5s
Rust Unit Tests (ubuntu-latest)	1m 16s
Rust Unit Tests (ubuntu-24.04-arm)	1m 23s
Rust Unit Tests (macos-latest)	1m 33s
Python Tests (ubuntu-24.04-arm, py3.13)	36m 57s
Pure Python Fallback	1h 12m 43s
Python Tests (ubuntu-24.04-arm, py3.14)	37m 8s
Python Tests (macos-latest, py3.11)	37m 26s
Python Tests (windows-latest, py3.11)	1h 0m 35s
Python Tests (windows-latest, py3.14)	1h 0m 36s
Python Tests (ubuntu-latest, py3.14)	1h 3m 59s
Python Tests (macos-latest, py3.13)	36m 28s
Python Tests (ubuntu-latest, py3.13)	58m 13s
Python Tests (ubuntu-24.04-arm, py3.11)	41m 56s
Python Tests (windows-latest, py3.13)	54m 8s
Python Tests (ubuntu-latest, py3.11)	1h 1m 47s
Python Tests (macos-latest, py3.14)	34m 49s
	11h 4m 2s

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