docs: record E572 fidelity treatment

[Tyler-R-Kendrick]

Records the capped E572 48-step E569 warm start with fidelity loss 0.5 to 2.0. Fidelity and reward improve, but semantic coverage, structure, and AST quality regress; strict meaning and AgentV remain zero, so the scratch checkpoint is rejected, not synced, and not promoted. Includes model card, README summary, bucket ledger, matrix evidence, AgentV result, and committed-evidence API persistence coverage. Validation: focused persistence test; 90 control-plane tests in commit hook; version stamps; repo policy; checkpoint references; JSON; diff check.

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Project	Deployment	Actions	Updated (UTC)
slm-training	Ready	Preview, Comment	Jul 20, 2026 3:20am

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Review details

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 50566f2b-840c-4200-a2e6-6882873ac7e5

📥 Commits

Reviewing files that changed from the base of the PR and between d50b4db and e469880.

📒 Files selected for processing (7)

• README.md
• docs/MODEL_CARD.md
• docs/design/checkpoint-bucket.md
• docs/design/iter-e572-e569-fidelity2-20260720.json
• docs/design/iter-e572-e569-fidelity2-20260720.md
• docs/design/quality-experiment-matrix.md
• tests/test_web/test_control_plane.py

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch agent/e572-e569-fidelity2

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