11 — GPT / MCP-Readable Checkpoint

Macro: BIRTH_STAGE2_6A_QT001_PLAN_TIER_REGISTRY_SSOT_AND_HARDCODE_ELIMINATION · Date: 2026-06-06 · Status: PASS · Apply: FORBIDDEN (by design).

State transition: QT001_APPLY_RUNTIME_EXISTS_BUT_NOT_SAFE_SCALE_NOT_SAFE → QT001_PLAN_TIER_REVIEW_SSOT_LIVE + DANGEROUS_HARDCODE_CLASSIFIED_OR_REMOVED + WRITER_REMAINS_BLOCKED_UNTIL_NEXT_LAYERS.

Live objects (additive/reversible): tables qt001_hardcode_inventory, qt001_plan_registry, qt001_tier_registry, qt001_independent_review_signoff, qt001_review_validated_collection; function fn_qt001_build_plan_registry(text); 18 views (hardcode 3, plan 3, tier 3, signoff 2, readiness-v3 3, writer 2, scale 2).

Guards (all correct): v_qt001_hardcode_no_go_guard pass=true · v_qt001_plan_registry_no_go_guard pass=true · v_qt001_tier_no_go_guard pass=true · v_qt001_independent_review_no_go_guard pass=true · v_qt001_readiness_v3_no_go_guard pass=true · v_qt001_writer_must_remain_blocked_guard pass=true · v_qt001_scale_not_safe_guard scale_not_safe=true · readiness dashboard overall_ready=false apply_gate=BLOCKED_STAGE2.6A_SSOT_ONLY_PENDING_NEXT_LAYERS_AND_REAUDIT.

Plan: PLAN-20260606-093413 v1 hash f8d2272fd9ff4fdbdfc8d362847d485b; 13 rows; tiers data-derived reproduce TIER1 5/137, TIER2 2/137, TIER3 6/505.

Hardcode: 11 findings; HC-01 (tier1 IN-list) + HC-02 (literal false signoff) + HC-10 (false-pass freshness) SUPERSEDED_BY_REGISTRY; HC-04/HC-05/HC-07/HC-11 OPEN_NEXT_LAYER; HC-03/HC-06 superseded; HC-08 sentinel; HC-09 metadata-driven ok.

Signoff: Codex NOT_SAFE recorded as data; signoff_safe=false; no positive apply signoff; agent cannot self-certify.

Safety anchors: birth_registry 1,210,937 (+9 KB report provenance only; DDL birth-neutral) · qt001-apply-origin births 0 · Tier1 target births 8 · open execute permits 0 · done ledgers 0 · tga 129 · apr 42 · gateway norm-md5 c022f849 · Stage 0 freeze PASS 2/2.

SQL: /opt/incomex/docs/mcp-writes/birth-stage2-6a-2026-06-06/{01_hardcode_inventory,02_signoff_registry,03_tier_registry,04_plan_registry,05_readiness_v3,06_writer_contract,07_scale_risk,99_rollback}.sql. Apply order 01,02,04,03,07,06,05.

Next macro: BIRTH_STAGE2_6B_QT001_PERMIT_RUN_KEYSET_RESUME (permit/run lifecycle + keyset/resume + writer wiring + parity-invariant separation + legacy resolver fix + TG_ARGV scanner + duplicate-trigger reconcile + paired DOTs + perf gates), then fresh independent re-audit. Blocker: none technical; apply blocked by design.

Report dir: knowledge/dev/reports/architecture/birth-stage2-6a-qt001-plan-tier-registry-ssot-hardcode-elimination-2026-06-06/00..11. Checkpoint: knowledge/dev/reports/architecture/checkpoint-birth-stage2-6a-qt001-plan-tier-registry-ssot-hardcode-elimination-2026-06-06.md. Packet: knowledge/dev/architecture/BIRTH_STAGE2_6A_QT001_SSOT_PACKET.md. Index: BIRTH_GATEWAY_DESIGN_INDEX.md rev 12.