V45 Gate 13: Implement Deterministic BTD Quote Conservation #1020

Job	Run time
Validate GitHub Actions workflows	13s
Lint, Type-Check & Build	2m 48s
CodeQL Analysis	-1s
Unit & Integration Tests (mocks)	1m 2s
Super Linter (misc files)	0s
E2E, Visual & DB Tests	0s
	4m 2s

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