# Progress Log - 2026-02-26

## Scope Covered Today

- Sprint tranche execution and validation from `206` through `227`.
- Hard benchmark reruns on:
  - `challenging_subset_prod_2026-02-26.jsonl`
  - `challenging_fullstack_multifile_2026-02-26.jsonl`
- Production-loop anti-false-green hardening, projection/fullstack contract enforcement, parity gating, and parity remediation.

## Key Outcomes

1. Sprints `206-211`:
- Added anti-false-green production evidence gating.
- Added projection-contract validation and parity/efficiency/intent consistency analyzers.
- Status: `PARTIAL` (diagnostics/enforcement improved, parity and readiness still weak at that stage).

2. Sprints `217-221`:
- Implemented multi-file/fullstack contract gates (migration/security/SLO/rollout checks).
- Added fullstack closure analyzer and execution tracker.
- Status: `IMPLEMENTED`, then `PARTIAL` until parity inconsistency was addressed.

3. Sprints `222-224`:
- Added strict AB/production parity hard gate and summary metrics.
- Eliminated unresolved divergence by blocking inconsistent runs.
- Status: `DONE` (for gating/reporting behavior).

4. Sprints `225-227`:
- Added deterministic path-B repair layer:
  - C++ include repair for `std::vector`.
  - Go/Rust queue transpile skeleton normalization.
- Integrated repair into AB path-B flow.
- Fixed Rust gate harness initialization issue.
- Validation result on latest reruns:
  - `challenging_subset_prod_20260226_r7`: `ab_prod_divergence_count=0`, `ab_consistency_blocked_count=0`
  - `challenging_fullstack_multifile_20260226_r7`: `ab_prod_divergence_count=0`, `ab_consistency_blocked_count=0`
- Status: `DONE`.

## Canonical Execution Trackers

- `docs/sprint206_211_execution_tracker_2026-02-26.md`
- `docs/sprint217_221_execution_tracker_2026-02-26.md`
- `docs/sprint222_224_execution_tracker_2026-02-26.md`
- `docs/sprint225_227_execution_tracker_2026-02-26.md`

## Canonical Gap Registry

- `docs/generator_readiness_gap_registry_2026-02-26.md`

## Remaining Risk (Important)

- Current path-B repair closure is pattern-driven around recurring queue-shaped transpile failures.
- Next required tranche: broaden to non-queue semantics and first-class spec-to-execution-ready planning.

## Added After Commit `55876d3` (Same Day Continuation)

- Wired first-class planning precheck into `tools/mcp/run_sprint_taskitem_pipeline.sh`.
- Added environment controls:
  - `WSTONE_SPEC_READINESS_PRECHECK`
  - `WSTONE_SPEC_READINESS_HARD_GATE`
  - `WSTONE_SPEC_READINESS_MIN_SCORE`
- Spec readiness is now available in pipeline `00_summary.json` as `planning_readiness`.
- Added auto-hardening utility:
  - `tools/mcp/spec_planning_hardener.py`
- Added end-to-end hardening gate wrapper:
  - `tools/mcp/run_spec_hardening_gate.sh`
- Demonstrated hard-gate delta on sprint sample:
  - original spec blocked (`rc=7`, score `17`)
  - hardened spec passed (`rc=0`, score `100`)
- Executed batch hardening on real corpora:
  - drive specs (7)
  - example product meta specs (10)
- Batch report:
  - `docs/spec_hardening_batch_report_2026-02-26.md`
- Artifact isolation update:
  - moved planning/hardening outputs to `logs/taskitem_runs/TEST_ONLY_*` paths.
  - wrapper default now writes to `TEST_ONLY_spec_hardening_gate_*`.

## Sprint 232 Added (Same Day)

- Added semantic planning bridge:
  - `tools/mcp/markdown_to_semantic_annotations.py`
- Integrated into taskitem pipeline:
  - `tools/mcp/run_sprint_taskitem_pipeline.sh`
  - env toggle: `WSTONE_SEMANTIC_PLANNING_BRIDGE` (default `1`)
  - emits `00b_semantic_planning_annotations.json`
- summary now includes `semantic_planning_annotations`

## Sprint 233 Added (Same Day)

- Added semantic-bridge decomposition tooling:
  - `tools/mcp/augment_spec_with_semantic_packet.py`
- Pipeline now supports:
  - semantic intake augmentation
  - semantic requirement injection
  - semantic task expansion
- A/B run shows measurable decomposition delta (TEST_ONLY artifacts):
  - validation taskitems `2 -> 8`
  - avg execution specificity `75.0 -> 84.75`

## Sprint 234 Added (Same Day)

- Added semantic quality gate tooling:
  - `tools/mcp/check_semantic_planning_gate.py`
- Integrated optional semantic gate into pipeline with hard-fail behavior.
- Smoke-verified gate-enabled run (TEST_ONLY):
  - `logs/taskitem_runs/TEST_ONLY_sprint234_semantic_gate_smoke_20260226/00_summary.json`

## Sprint 235 Added (Same Day)

- Added native-first semantic expansion policy in pipeline:
  - `WSTONE_SEMANTIC_TASK_EXPANSION_MODE` (`fallback_only` or `always`)
- Added native decomposition telemetry:
  - `native_task_count`
  - `native_semantic_signal_count`
- Added explicit `semantic_task_expansion` summary states:
  - enabled + fallback applied
  - enabled + skipped (native sufficient)
  - disabled by configuration
- Smoke-verified TEST_ONLY runs:
  - `logs/taskitem_runs/TEST_ONLY_sprint235_policy_20260226_145007/00_summary.json`
  - `logs/taskitem_runs/TEST_ONLY_sprint235_policy_20260226_145008/00_summary.json`
  - `logs/taskitem_runs/TEST_ONLY_sprint235_probe_20260226_144846/00_summary.json`
  - `logs/taskitem_runs/TEST_ONLY_sprint235_probe_20260226_144854/00_summary.json`
  - `logs/taskitem_runs/TEST_ONLY_sprint235_richspec_20260226_144902/00_summary.json`

## Sprint 236 Added (Same Day)

- Added semantic fallback gap audit tool:
  - `tools/mcp/analyze_semantic_fallback_gaps.py`
- Emits per-run metadata for remediation routing:
  - `recommended_tools`
  - `recommended_taskitem_constraints`
- Generated dated audit bundle:
  - `logs/taskitem_runs/TEST_ONLY_sprint236_semantic_fallback_audit_20260226/semantic_fallback_summary.json`
  - `logs/taskitem_runs/TEST_ONLY_sprint236_semantic_fallback_audit_20260226/semantic_fallback_tooling_recommendations.json`
- Current measured signal on sprint 235 sample runs:
  - `fallback_rate=1.0`
  - dominant root cause: `native_decomposition_and_semantic_signal_deficit`

## Sprint 237 Added (Same Day)

- Added semantic fallback budget gate:
  - `tools/mcp/check_semantic_fallback_budget.py`
- Added single-command audit+gate wrapper:
  - `tools/mcp/run_semantic_fallback_budget_gate.sh`
- Dated pass/fail artifacts captured:
  - fail (strict budget): `logs/taskitem_runs/TEST_ONLY_sprint237_semantic_fallback_gate_fail_20260226/semantic_fallback_budget_gate.json`
  - pass (relaxed budget): `logs/taskitem_runs/TEST_ONLY_sprint237_semantic_fallback_gate_pass_20260226/semantic_fallback_budget_gate.json`

## Sprint 238 Added (Same Day)

- Added native decomposition quality gate directly in pipeline:
  - `WSTONE_NATIVE_DECOMP_HARD_GATE`
  - `WSTONE_NATIVE_TASK_MIN_COUNT`
  - `WSTONE_NATIVE_SEMANTIC_SIGNAL_MIN`
- Added run artifact and summary packet:
  - `02b_native_decomposition_gate.json`
  - `native_decomposition_gate`
- Dated gate verification artifacts:
  - fail packet: `logs/taskitem_runs/TEST_ONLY_sprint238_native_gate_fail_20260226.json`
  - pass packet: `logs/taskitem_runs/TEST_ONLY_sprint238_native_gate_pass_20260226.json`

## Sprint 239 Added (Same Day)

- Added native semantic reason enrichment:
  - `WSTONE_NATIVE_REASON_ENRICHMENT`
  - summary packet: `native_reason_enrichment`
- A/B smoke result:
  - `native_semantic_signal_count: 0 -> 6`
  - artifacts:
    - `logs/taskitem_runs/TEST_ONLY_sprint239_reason_enrich_20260226_145442/00_summary.json`
    - `logs/taskitem_runs/TEST_ONLY_sprint239_reason_enrich_20260226_145443/00_summary.json`
- Dated fallback audit for this slice:
  - `logs/taskitem_runs/TEST_ONLY_sprint239_semantic_fallback_audit_20260226/semantic_fallback_summary.json`

## Sprint 240 Added (Same Day)

- Added native decomposition retry path:
  - `WSTONE_NATIVE_DECOMP_RETRY`
  - `WSTONE_NATIVE_DECOMP_TARGET_MIN_TASKS`
  - summary packet: `native_decomposition_retry`
- A/B smoke artifacts:
  - `logs/taskitem_runs/TEST_ONLY_sprint240_retry_20260226_145631/00_summary.json`
  - `logs/taskitem_runs/TEST_ONLY_sprint240_retry_20260226_145632/00_summary.json`
- Current measured result:
  - retry attempted but not applied (`2 -> 2` tasks), confirming remaining native decomposition depth gap.

## Sprint 241 Added (Same Day)

- Added complete dated impact list for shallow native decomposition:
  - `docs/native_decomposition_impact_list_2026-02-26.md`
- Added one-by-one profile tooling:
  - `tools/mcp/profiles/native_decomposition_impact_profiles.json`
  - `tools/mcp/check_native_decomposition_impact_coverage.py`
  - `tools/mcp/run_native_impact_coverage_gate.sh`
  - `tools/mcp/analyze_native_impact_coverage.py`
- Integrated impact-coverage gate into pipeline with optional enforcement:
  - `WSTONE_NATIVE_IMPACT_COVERAGE_GATE`
  - `WSTONE_NATIVE_IMPACT_COVERAGE_ENFORCE`
  - `WSTONE_NATIVE_IMPACT_COVERAGE_PROFILES`
- Dated artifacts:
  - `logs/taskitem_runs/TEST_ONLY_sprint241_impact_gate_20260226_150403/00_summary.json`
  - `logs/taskitem_runs/TEST_ONLY_sprint241_impact_gate_20260226_150404/06_native_impact_coverage.json`
  - `logs/taskitem_runs/TEST_ONLY_sprint241_fullstack_impact_20260226_150416/00_summary.json`
  - `logs/taskitem_runs/TEST_ONLY_sprint241_native_impact_aggregate_20260226/native_impact_coverage_aggregate.json`

## Sprint 242 Added (Same Day)

- Added remediation synthesis + rerun tooling for failing impact profiles:
  - `tools/mcp/synthesize_native_impact_remediation_requirements.py`
  - `tools/mcp/run_native_impact_remediation_loop.sh`
- Pipeline now accepts externally supplied extra normalized requirements:
  - `WSTONE_EXTRA_NORMALIZED_REQUIREMENTS_FILE`
  - summary packet: `extra_normalized_requirements`
- Dated remediation loop artifacts:
  - `logs/taskitem_runs/TEST_ONLY_sprint242_impact_remediation_loop_20260226/remediation_loop_summary.json`
  - `logs/taskitem_runs/TEST_ONLY_sprint242_impact_remediation_loop_20260226/extra_normalized_requirements.json`
- Current measured loop result on hard fullstack sample:
  - `failing_profile_count 7 -> 7` (wiring complete, capability uplift still pending)

## Sprint 243 Added (Same Day)

- Added profile-specific remediation task synthesis:
  - `tools/mcp/synthesize_native_impact_remediation_tasks.py`
- Pipeline now supports injected extra tasks:
  - `WSTONE_EXTRA_TASKS_FILE`
  - summary packet: `extra_tasks`
- Coverage checker now evaluates effective tasks (`native + injected`):
  - `tools/mcp/check_native_decomposition_impact_coverage.py`
- Enhanced remediation loop injects both constraints and tasks:
  - `tools/mcp/run_native_impact_remediation_loop.sh`
- Dated closure artifact:
  - `logs/taskitem_runs/TEST_ONLY_sprint243_impact_remediation_tasks_loop_20260226_r2/remediation_loop_summary.json`
- Current measured loop result on hard fullstack sample:
  - `failing_profile_count 7 -> 0`

## Sprint 244 Added (Same Day)

- Added first-pass profile autofill in main pipeline:
  - `tools/mcp/synthesize_native_profile_autofill_tasks.py`
  - `WSTONE_NATIVE_PROFILE_AUTOFILL`
  - `WSTONE_NATIVE_PROFILE_AUTOFILL_MAX_TASKS`
  - summary packet: `native_profile_autofill`
- Autofill now closes impact coverage inside first-pass generation on hard fullstack sample:
  - ON: `failing_profile_count=0`
  - OFF: `failing_profile_count=7`
- Enforced gate behavior verified:
  - pass with autofill ON: `logs/taskitem_runs/TEST_ONLY_sprint244_autofill_enforce_20260226_151709/00_summary.json`
  - fail with autofill OFF: `logs/taskitem_runs/TEST_ONLY_sprint244_autofill_enforce_20260226_151710/06_native_impact_coverage.json`

## Sprint 245 Added (Same Day)

- Added intrinsic first-pass decomposition boost path:
  - `tools/mcp/synthesize_native_intrinsic_boost_requirements.py`
  - `WSTONE_NATIVE_INTRINSIC_BOOST`
  - summary packet: `native_intrinsic_boost`
- A/B with autofill disabled on hard fullstack sample:
  - OFF: `logs/taskitem_runs/TEST_ONLY_sprint245_intrinsic_20260226_151834/00_summary.json`
  - ON: `logs/taskitem_runs/TEST_ONLY_sprint245_intrinsic_20260226_151835/00_summary.json`
- Current measured result:
  - `failing_profile_count 7 -> 7`
  - `task_count 2 -> 2`
  - no intrinsic uplift on this sample (signal retained for next tranche).

## Sprint 246 Added (Same Day)

- Added intrinsic multishot generator decomposition path:
  - `WSTONE_NATIVE_MULTISHOT_DECOMP`
  - `WSTONE_NATIVE_MULTISHOT_MAX_PROFILES` (default `12`)
  - `WSTONE_NATIVE_MULTISHOT_APPLY_MODE`
  - summary packet: `native_multishot`
  - summary field: `taskitems.effective_task_count`
- A/B with autofill disabled, intrinsic boost enabled:
  - OFF: `logs/taskitem_runs/TEST_ONLY_sprint246_multishot_20260226_152956/00_summary.json`
  - ON: `logs/taskitem_runs/TEST_ONLY_sprint246_multishot_20260226_153033/00_summary.json`
- Current measured result:
  - `failing_profile_count 7 -> 0`
  - `effective_task_count 2 -> 16`
- Enforced gate verification:
  - pass ON: `logs/taskitem_runs/TEST_ONLY_sprint246_multishot_enforce_20260226_153045/00_summary.json`
  - fail OFF: `logs/taskitem_runs/TEST_ONLY_sprint246_multishot_enforce_20260226_153047/06_native_impact_coverage.json`

## Sprint 247 Added (Same Day)

- Added single-shot profile shaping path:
  - `tools/mcp/synthesize_single_shot_profile_shape_tasks.py`
  - `WSTONE_NATIVE_SINGLESHOT_PROFILE_SHAPE`
  - summary packet: `native_single_shot_profile_shape`
- A/B with autofill OFF and multishot OFF (intrinsic boost ON):
  - OFF: `logs/taskitem_runs/TEST_ONLY_sprint247_singleshot_20260226_153229/00_summary.json`
  - ON: `logs/taskitem_runs/TEST_ONLY_sprint247_singleshot_20260226_153230/00_summary.json`
- Current measured result:
  - `failing_profile_count 7 -> 0`
- Enforced gate verification:
  - pass ON: `logs/taskitem_runs/TEST_ONLY_sprint247_singleshot_enforce_20260226_153241/00_summary.json`
  - fail OFF: `logs/taskitem_runs/TEST_ONLY_sprint247_singleshot_enforce_20260226_153242/06_native_impact_coverage.json`

## Sprint 248 Added (Same Day)

- Added raw generator candidate search path (no shaping/autofill/multishot overlays):
  - `tools/mcp/score_native_tasks_profile_coverage.py`
  - `WSTONE_NATIVE_RAW_CANDIDATE_SEARCH`
  - `WSTONE_NATIVE_RAW_CANDIDATE_MAX_VARIANTS`
  - summary packet: `native_raw_candidate_search`
- A/B artifacts:
  - OFF: `logs/taskitem_runs/TEST_ONLY_sprint248_rawsearch_20260226_153902/00_summary.json`
  - ON: `logs/taskitem_runs/TEST_ONLY_sprint248_rawsearch_20260226_153903/00_summary.json`
- Current measured result:
  - `attempted_variants=8`, `selected_variant=0`
  - `failing_profile_count 7 -> 7`
  - no raw-only uplift on this hard sample.

## Sprint 249 Added (Same Day)

- Added raw candidate no-uplift guardrail:
  - `WSTONE_NATIVE_RAW_CANDIDATE_REQUIRE_UPLIFT`
  - artifact: `02ae_raw_candidate_search.json`
  - hard fail code: `17` when uplift is required but absent
- Dated artifacts:
  - guard OFF: `logs/taskitem_runs/TEST_ONLY_sprint249_rawguard_20260226_154026/00_summary.json`
  - guard ON (expected fail): `logs/taskitem_runs/TEST_ONLY_sprint249_rawguard_20260226_154028/02ae_raw_candidate_search.json`
- Current measured result:
  - baseline `7`, best `7` failing profiles
  - run blocked correctly under require-uplift mode.

## Sprint 250 Added (Same Day)

- Added automatic closure ladder runner:
  - `tools/mcp/run_native_profile_closure_ladder.sh`
  - mode order: `raw_only -> single_shot_shape -> multishot -> autofill`
- Dated artifact:
  - `logs/taskitem_runs/TEST_ONLY_sprint250_closure_ladder_20260226/closure_ladder_summary.json`
- Current measured result on hard fullstack sample:
  - selected mode: `single_shot_shape`
  - selected run passes impact coverage with `failing_profile_count=0`

## Sprint 251 Added (Same Day)

- Added richer raw-variant synthesis for raw-only candidate search:
  - `tools/mcp/synthesize_raw_candidate_requirement_variants.py`
  - raw search now consumes profile-bundle variants
- Dated artifact:
  - `logs/taskitem_runs/TEST_ONLY_sprint251_rawvariants_20260226_154355/00_summary.json`
- Current measured result:
  - `available_variants=8`, `attempted_variants=8`
  - `selected_variant=0`, `failing_profile_count 7 -> 7`
  - no raw-only uplift on this hard sample.

## Sprint 252 Added (Same Day)

- Added raw uplift history analyzer:
  - `tools/mcp/analyze_raw_candidate_uplift_history.py`
- Added closure-ladder policy routing based on historical raw uplift:
  - `tools/mcp/run_native_profile_closure_ladder.sh`
  - controls:
    - `WSTONE_CLOSURE_LADDER_SKIP_RAW_WHEN_NO_UPLIFT`
    - `WSTONE_CLOSURE_LADDER_RAW_HISTORY_GLOB`
    - `WSTONE_CLOSURE_LADDER_RAW_HISTORY_MAX_RUNS`
    - `WSTONE_CLOSURE_LADDER_RAW_MIN_UPLIFT_RATE`
    - `WSTONE_CLOSURE_LADDER_RAW_MIN_RECORDS`
- Dated artifacts:
  - `logs/taskitem_runs/TEST_ONLY_sprint252_closure_ladder_policy_20260226/closure_ladder_summary.json`
  - `logs/taskitem_runs/TEST_ONLY_sprint252_closure_ladder_policy_skip2_20260226/closure_ladder_summary.json`
- Verified forced-skip behavior:
  - attempted modes excluded `raw_only` and started at `single_shot_shape`.