32 lines
1.4 KiB
Markdown
32 lines
1.4 KiB
Markdown
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# BRIEF — mde-loop-enforcement
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**Parent:** model-divergence-enforcement
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**Subtask:** 3 of 3 (depends on mde-interactive-enforcement)
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**Spec ref:** `tasks/model-divergence-enforcement/SPEC.md` §Subtask 3
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**Design ref:** `design/framework/technical.md` §§10, §13
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## Objective
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Add loop-level model-divergence enforcement: `loop.json` per-role `model` field,
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`{model}` substitution in `_invoke_harness`, and `--check-gate` model-divergence
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brake gate.
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## Deliverables
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1. `scripts/loop-runner.py`:
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- `_invoke_harness` (line 366-404): `{model}` placeholder substitution from `loop.json` role config
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2. `scripts/status.py`:
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- `--check-gate`: model-divergence brake gate (loop-verify ≠ loop-implement in multi-LLM mode)
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- `cmd_create_loop` / `cmd_install_schedule`: validate `loop.json` per-role `model` fields
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3. `templates/loops/`: update loop templates with `roles` schema example
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4. `design/loops/technical.md`: document `{model}` substitution
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5. `tests/test_model_divergence.py`: loop model binding, `{model}` substitution, check-gate halt
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## Acceptance
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- `loop.json` with `roles.implementer.model` → `_invoke_harness` substitutes `{model}` in harness command
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- `loop.json` without per-role `model` → defaults to `models.json` `default` model
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- `--check-gate` in multi-LLM mode halts if loop-verify model = loop-implement model
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- `--check-gate` in single-LLM mode does NOT halt (advisory only)
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- `pytest tests/ -q` green
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