Separate structured rollout evidence

[cbusillo]

Summary

• distinguish structured helper payload hits from broad transcript/context hits
• parse nested JSON helper output only when it contains durable structured keys
• add --since, --until, --after-file, and --after-line scan bounds
• add conservative --suppress-investigation-noise without hiding raw helper payloads

Refs #164
Refs #165

Validation

• uv run rollout-friction/scripts/validate_analyze_rollouts.py
• scripts/validate-skills.sh

[cbusillo]

Launchplane parked this merge-train record because policy changed.

• Repository: cbusillo/codex-skills
• Base branch: main
• Pull request: Separate structured rollout evidence #166
• Controller action: land_batch
• Controller record: merge-train-batch-landing-plan-20260529T012201Z-ddd061efa117b325

Launchplane stopped using this train record because its stored evidence is stale.

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