A validated call handed to a Tama.Dex.Executor.
cassette,sourceandoperation_idname the operation.scopesare exactly the verified scopes tama-dex checked, in the order the caller gave them, so the executor re-checks what tama-dex saw.contextis the host term passed toTama.Dex.execute/5(for the MCP handlers, the caller).optsare the options given at registration,[]for a bare module.