fix(idempotency): @IdempotencyStore.wrap supports arg-projected metho… #1250

Job	Run time
Postgres conformance tests (Postgres 16)	1m 2s
Validate schemas are up-to-date	3m 40s
Downstream import smoke (representative consumer symbols)	28s
AdCP storyboard runner — sales-proposal-mode (proposal_finalize)	1m 8s
AdCP storyboard runner — examples/seller_agent.py	1m 25s
AdCP storyboard runner — v3 reference seller (translator)	1m 25s
v3 reference seller — pytest (respx-mocked upstream)	41s
Test Python 3.10	3m 46s
Test Python 3.13	3m 26s
Test Python 3.11	3m 27s
Test Python 3.12	3m 5s
AdCP storyboard runner — examples/multi_platform_seller (PlatformRouter)	1m 32s
Validate conventional commit format	0s
	25m 5s

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