{"id":"solutions-bundle-tests-inline","text":"Every solution file contains both the implementation and a `unittest.TestCase` in the same file, runnable via `python solution.py`, with a separate `test_solution.py` for external test harness integration.","truth_value":"IN","source":"entries/2026/06/06/day-of-the-year-solution.md, entries/2026/06/06/decode-the-message-solution.md, entries/2026/06/06/decode-xored-array-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"solutions-bundle-tests-inline","truth_value":"IN","reason":"premise"}]}}