feat(stdlib): WasmValue + wasm_export_call typed wasm-exports binding (closes #455) #588

Job	Run time
governance / Well-Known (RFC 9116 + RSR)	3s
governance / Validate Hypatia baseline	3s
governance / Security policy checks	37s
governance / Code quality + docs	37s
governance / Language / package anti-pattern policy	34s
governance / Trusted-base reduction policy	8s
governance / Licence consistency	35s
governance / Guix primary / Nix fallback policy	41s
governance / Workflow security linter	34s
	3m 52s

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