Narrow WASM and EVM execution ports to file subjects and preserve supplied subject types at the shared execution factory. Authenticate format with path and digest before recording or projecting Evidence, using the existing WASM identity owner in both consumers.
Validation: focused WASM/EVM service and public MCP workflows passed, including malformed provider subjects and self-contained retained Evidence with contradictory format. Global typecheck/lint and documentation checks passed. Real WABT/Evmole execution and the full suite were not run.