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        "distinct_contribution": "Two separate specialists implemented disjoint codec and reducer modules, with overlapping child histories. Parent did not reach integration before the configured wall-clock stop.",
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        "distinct_contribution": "Independent adversarial discovery from the contract, before owner code inspection; not a discovery missed by the baseline.",
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          "Ten failed assertions in the child probe are not ten independent root causes. Core independent discoveries remain valid, and all final external checks pass."
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        "recommendation": "Valid independent-discovery mechanism with visible process and synthesis caveats, not correctness superiority. Do not make summary errors the main lesson."
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        "distinct_contribution": "Separate workers write times.py and windows.py; time worker returns concrete passing probes, interval worker reaches its cap with a code artifact. Owner writes planner.py and 26 regression tests and integrates both modules. External six-group checker passes.",
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          "Owner probe output d0cde991-cb1a-4ba4-a761-305ee08100ed passes 13 planner checks before a non-iterable None probe raises TypeError. None is outside the stated iterable-input contract, so this is not evidence of a product defect."
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          "Owner leaves _probe_part2.py in workspace, outside the four allowed product/test files. This is a real final scope failure."
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        "parent_error": "MaxIterationsReached (14); no final owner message.",
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        "objective": "Work only in this workspace. Do not read parent directories, external files, other conversations, network, credentials, or grading artifacts. Do not install dependencies, commit, or create memory files. Use PYTHONDONTWRITEBYTECODE=1. All requirements are stated in README.md. Verify the actual behavior and report the evidence and changed files. Finish the daily transaction report in this prepared incomplete project. Only edit report.py and test_report.py and produce report.json and reconciliation.json. Read README.md for the full acceptance contract. Existing tests are a smoke test, not the acceptance criteria. Complete and verify both artifacts before reporting completion.",
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