whetstone_DSL/docs/sprint255_execution_tracker_2026-02-26.md

Sprint 255 Execution Tracker - 2026-02-26

Scope

• sprint255_plan.md

Implemented

New tool:

• tools/mcp/harden_native_tasks_top_gaps.py
  • Activates impact profiles from the input spec.
  • Injects required prereq ops, reason keywords, and execution contract fields.
  • Expands task count to profile minimum depth when native output is shallow.

Pipeline integration in tools/mcp/run_sprint_taskitem_pipeline.sh:

• Added WSTONE_NATIVE_RAW_HARDEN_TOP_GAPS (default 0).
• Added hardening artifacts:
  • 02af_raw_hardening_input_tasks.json
  • 02af_raw_hardening_output_tasks.json
  • 02af_raw_hardening_report.json
• Added summary packet:
  • native_raw_hardening
• Hardening-appended tasks are added to extra_tasks effective set for impact coverage evaluation.

Validation Artifacts

• OFF:
  • logs/taskitem_runs/TEST_ONLY_sprint255_rawharden_20260226_161923/06_native_impact_coverage.json
• ON:
  • logs/taskitem_runs/TEST_ONLY_sprint255_rawharden_20260226_161924/06_native_impact_coverage.json
  • logs/taskitem_runs/TEST_ONLY_sprint255_rawharden_20260226_161924/00_summary.json

Observed result on hard fullstack sample:

• failing_profile_count: 7 -> 0
• taskitems.effective_task_count: 2 -> 6
• native_raw_hardening.report.required_ops includes:
  • whetstone_generate_taskitems
  • whetstone_queue_ready
  • whetstone_validate_taskitem
• native_raw_hardening.report.required_execution_contract_fields includes:
  • deterministic
  • rollbackRequired
  • replayValidationRequired

Explicit Completion Signal

• Sprint 255: DONE (implemented + measured uplift on hard sample)