fix: harden task recovery and DR contract handling

tools/build_portable.sh

@@ -9,7 +9,8 @@ flags=(-std=c++17 -O2 -Wall -Wextra -Werror -pthread -Icore/include)
 "$cxx" "${flags[@]}" -c core/src/workflow.cpp -o build/workflow.o
 "$cxx" "${flags[@]}" -c core/src/sim_driver.cpp -o build/sim_driver.o
 "$cxx" "${flags[@]}" core/examples/demo.cpp build/core.o build/workflow.o build/sim_driver.o -o build/bt_demo
-for test_name in core_test workflow_test journal_failure_test preflight_test settlement_test proof_regression_test readiness_regression_test scenario_test lifecycle_test; do
-  "$cxx" "${flags[@]}" "core/tests/$test_name.cpp" build/core.o build/workflow.o -o "build/$test_name"
+for test_source in core/tests/*_test.cpp; do
+  test_name="$(basename "$test_source" .cpp)"
+  "$cxx" "${flags[@]}" -UNDEBUG "$test_source" build/core.o build/workflow.o -o "build/$test_name"
   "./build/$test_name"
 done