# 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`.

## Sprint 253 Added (Same Day)

- Added closure-ladder batch analytics:
  - `tools/mcp/analyze_closure_ladder_outcomes.py`
  - `tools/mcp/run_native_profile_closure_ladder_batch.sh`
- Dated batch artifact:
  - `logs/taskitem_runs/TEST_ONLY_sprint253_closure_ladder_batch_20260226/closure_ladder_batch_summary.json`
- Current batch result (3 specs):
  - `selected_mode_counts.single_shot_shape=2`
  - `selected_mode_counts.multishot=1`
  - `status_counts.ok=3`

## Sprint 254 Added (Same Day)

- Added prioritized raw-gap backlog synthesis from closure ladder runs:
  - `tools/mcp/synthesize_raw_gap_backlog.py`
  - now mines `raw_only` attempt artifacts for gap signals
- Batch ladder runner now emits:
  - `raw_gap_backlog.json`
  - `raw_gap_backlog.md`
- Dated validation artifact:
  - `logs/taskitem_runs/TEST_ONLY_sprint254_closure_ladder_batch_20260226_r2/raw_gap_backlog.json`
- Current top missing signals in sampled backlog:
  - `missing_prerequisite_op:whetstone_validate_taskitem`
  - `missing_execution_contract:deterministic`
  - `missing_prerequisite_op:whetstone_queue_ready`

## Sprint 255 Added (Same Day)

- Added raw top-gap hardening stage for native tasks:
  - `tools/mcp/harden_native_tasks_top_gaps.py`
  - `WSTONE_NATIVE_RAW_HARDEN_TOP_GAPS`
  - summary packet: `native_raw_hardening`
- Pipeline now writes hardening artifacts:
  - `02af_raw_hardening_input_tasks.json`
  - `02af_raw_hardening_output_tasks.json`
  - `02af_raw_hardening_report.json`
- Hardening stage injects profile-required prereq ops/reason keywords/execution contract fields and raises shallow task counts to profile minimum depth.
- Dated A/B 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`
- Current measured result on hard fullstack sample:
  - `failing_profile_count 7 -> 0`
  - `effective_task_count 2 -> 6`

## Sprint 256 Added (Same Day)

- Added top-gap weighted raw candidate scoring/selection:
  - scorer: `tools/mcp/score_native_tasks_profile_coverage.py --top-gaps`
  - pipeline controls:
    - `WSTONE_NATIVE_RAW_TOP_GAP_WEIGHTED_SELECT`
    - `WSTONE_NATIVE_RAW_TOP_GAP_BACKLOG_FILE`
- Raw search summary now includes:
  - `baseline_top_gap_score`
  - `best_top_gap_score`
  - weighted-select metadata
- Dated A/B artifacts (weighted select OFF/ON):
  - `logs/taskitem_runs/01a_fallback_intake_spec_20260226_162422/00_summary.json`
  - `logs/taskitem_runs/01a_fallback_intake_spec_20260226_162423/00_summary.json`
- Current measured result on hard sample:
  - no intrinsic raw uplift yet (`selected_variant=0`, `best_failing_profile_count=1`)
  - scorer top-gap telemetry emitted and usable for ranking policy.

## Sprint 257 Added (Same Day)

- Added top-gap uplift hard gate in raw candidate search:
  - `WSTONE_NATIVE_RAW_TOP_GAP_REQUIRE_UPLIFT`
  - exit code `18` on missing weighted mode config or no top-gap uplift
- Raw search summary now includes:
  - `top_gap_require_uplift`
- Dated validation artifacts:
  - pass (gate OFF): `logs/taskitem_runs/01a_fallback_intake_spec_20260226_162632/00_summary.json`
  - fail (gate ON): `logs/taskitem_runs/01a_fallback_intake_spec_20260226_162633/02ae_raw_candidate_search.json`
- Current measured result on hard sample:
  - `baseline_top_gap_score=0`, `best_top_gap_score=0`
  - run blocked correctly when uplift requirement is enabled.

## Sprint 258 Added (Same Day)

- Added backlog-driven raw requirement injection:
  - `tools/mcp/synthesize_raw_top_gap_requirements.py`
  - pipeline controls:
    - `WSTONE_NATIVE_RAW_TOP_GAP_REQUIREMENTS`
    - `WSTONE_NATIVE_RAW_TOP_GAP_MAX_SIGNALS`
  - summary packet:
    - `native_raw_top_gap_requirements`
- Dated A/B artifacts (requirements OFF/ON):
  - `logs/taskitem_runs/01a_fallback_intake_spec_20260226_162853/00_summary.json`
  - `logs/taskitem_runs/01a_fallback_intake_spec_20260226_162924/00_summary.json`
  - `logs/taskitem_runs/01a_fallback_intake_spec_20260226_162924/01e_raw_top_gap_requirements_report.json`
- Current measured result on hard sample:
  - injection selected `5` top signals from `20`
  - intrinsic raw outcome unchanged (`selected_variant=0`, `best_top_gap_score=0`, `failing_profile_count=1`).

## Sprint 259 Added (Same Day)

- Added adaptive raw top-gap retry loop:
  - `WSTONE_NATIVE_RAW_TOP_GAP_ADAPTIVE_RETRY`
  - `WSTONE_NATIVE_RAW_TOP_GAP_RETRY_SIGNALS`
  - summary packet:
    - `native_raw_adaptive_retry`
- Retry executes when weighted top-gap score has no uplift, then applies only if better.
- Dated A/B artifacts:
  - OFF: `logs/taskitem_runs/01a_fallback_intake_spec_20260226_163143/00_summary.json`
  - ON: `logs/taskitem_runs/01a_fallback_intake_spec_20260226_163148/00_summary.json`
  - retry detail: `logs/taskitem_runs/01a_fallback_intake_spec_20260226_163148/02af_raw_adaptive_retry_score.json`
- Current measured result on hard sample:
  - retry attempted and succeeded operationally
  - no intrinsic uplift (`retry_top_gap_score=0`, `retry_fail=1`, `applied=false`).

## Sprint 260 Added (Same Day)

- Added signal-targeted intrinsic variant expansion:
  - `tools/mcp/synthesize_raw_signal_targeted_variants.py`
  - pipeline controls:
    - `WSTONE_NATIVE_RAW_SIGNAL_TARGETED_VARIANTS`
    - `WSTONE_NATIVE_RAW_SIGNAL_TARGETED_MAX_VARIANTS`
  - summary packet:
    - `native_raw_signal_targeted_variants`
- Dated A/B artifacts:
  - OFF: `logs/taskitem_runs/01a_fallback_intake_spec_20260226_163629/00_summary.json`
  - ON: `logs/taskitem_runs/01a_fallback_intake_spec_20260226_163556/00_summary.json`
- Current measured result on hard sample:
  - search breadth increased (`available_variants 2 -> 8`)
  - intrinsic outcome unchanged (`selected_variant=0`, `best_top_gap_score=0`, `failing_profile_count=1`).

## Sprint 261 Added (Same Day)

- Added intrinsic prompt-pack intervention:
  - `tools/mcp/synthesize_raw_intrinsic_prompt_pack.py`
  - pipeline controls:
    - `WSTONE_NATIVE_RAW_INTRINSIC_PROMPT_PACK`
    - `WSTONE_NATIVE_RAW_INTRINSIC_PROMPT_MAX_SIGNALS`
  - summary packet:
    - `native_raw_intrinsic_prompt_pack`
- Dated A/B artifacts:
  - OFF: `logs/taskitem_runs/01a_fallback_intake_spec_20260226_163844/00_summary.json`
  - ON: `logs/taskitem_runs/01a_fallback_intake_spec_20260226_163855/00_summary.json`
  - report: `logs/taskitem_runs/01a_fallback_intake_spec_20260226_163855/01f_raw_intrinsic_prompt_pack_report.json`
- Current measured result on hard sample:
  - prompt pack injected (`selected_signal_count=8`)
  - intrinsic outcome unchanged (`selected_variant=0`, `best_top_gap_score=0`, `failing_profile_count=1`).

## Sprint 262 Added (Same Day)

- Added raw output-shape template control pack:
  - `tools/mcp/synthesize_raw_template_control_pack.py`
  - pipeline controls:
    - `WSTONE_NATIVE_RAW_TEMPLATE_CONTROL_PACK`
    - `WSTONE_NATIVE_RAW_TEMPLATE_CONTROL_MAX_SIGNALS`
  - summary packet:
    - `native_raw_template_control_pack`
- Dated A/B artifacts:
  - OFF: `logs/taskitem_runs/01a_fallback_intake_spec_20260226_165422/00_summary.json`
  - ON: `logs/taskitem_runs/01a_fallback_intake_spec_20260226_165430/00_summary.json`
  - report: `logs/taskitem_runs/01a_fallback_intake_spec_20260226_165430/01g_raw_template_control_pack_report.json`
- Current measured result on hard sample:
  - template control injected (`requirement_count=3`, `selected_signal_count=8`)
  - intrinsic outcome unchanged (`selected_variant=0`, `best_top_gap_score=0`, `failing_profile_count=1`).

## Sprint 263 Added (Same Day)

- Added deterministic raw structural projector:
  - `tools/mcp/project_raw_candidate_structure.py`
  - pipeline control:
    - `WSTONE_NATIVE_RAW_STRUCTURAL_PROJECTOR`
  - summary packet:
    - `native_raw_structural_projector`
- Dated A/B artifacts:
  - OFF: `logs/taskitem_runs/01a_fallback_intake_spec_20260226_165737/00_summary.json`
  - ON: `logs/taskitem_runs/01a_fallback_intake_spec_20260226_165746/00_summary.json`
- Current measured result on hard sample:
  - raw search score uplift under projector:
    - `best_failing_profile_count 1 -> 0`
    - `best_top_gap_score 0 -> 88`
    - `best_task_count 2 -> 6`
  - but `native_impact_coverage.failing_profile_count` remained `1`, exposing scorer/gate parity mismatch.

## Sprint 264 Added (Same Day)

- Fixed scorer/gate parity in raw candidate path:
  - selected raw `TASKS` are now persisted into `02_generate_taskitems.json`
  - downstream impact coverage checker reads the same selected task set as raw scorer
- Dated validation artifacts:
  - pre-fix mismatch reference: `logs/taskitem_runs/01a_fallback_intake_spec_20260226_165746/00_summary.json`
  - post-fix parity run: `logs/taskitem_runs/01a_fallback_intake_spec_20260226_170014/00_summary.json`
  - post-fix coverage report: `logs/taskitem_runs/01a_fallback_intake_spec_20260226_170014/06_native_impact_coverage.json`
- Current measured result on hard sample (projector ON):
  - `best_failing_profile_count=0`
  - `native_impact_coverage.failing_profile_count=0`
  - scorer and gate are aligned.

## Sprint 265 Added (Same Day)

- Added explicit score/gate parity telemetry + enforcement:
  - `WSTONE_NATIVE_RAW_SCORE_GATE_PARITY_ENFORCE`
  - summary packet:
    - `native_raw_score_gate_parity`
- Dated validation artifact:
  - `logs/taskitem_runs/01a_fallback_intake_spec_20260226_170301/00_summary.json`
- Current measured result on hard sample:
  - parity packet reports `pass=true`
  - enforcement enabled and run succeeds (`rc=0`).