GPT Session Start Confirmation — Phase 5C2 Resume Handoff Read — 2026-05-14

Scope read

Read and checked the new-session handoff and required supporting documents:

• knowledge/dev/laws/dieu44-trien-khai/handoffs/handoff-p3d-pack1-return-to-phase5c2-after-birth-complete-2026-05-14.md
• knowledge/dev/laws/dieu44-trien-khai/reviews/gpt-final-review-birth-system-complete-authorize-phase5c2-resume-2026-05-14.md
• knowledge/dev/laws/dieu44-trien-khai/design/p3d-birth-system-b2-contract-design-rev3.md
• knowledge/dev/laws/dieu44-trien-khai/reports/p3d-birth-post-eld-b3f-delta-verification-report.md
• knowledge/dev/laws/dieu44-trien-khai/prompts/p3d-pack1-phase5c2-dieu35-hybrid-pilot-migration-prompt-DRAFT.md
• knowledge/dev/laws/dieu44-trien-khai/reports/p3d-pack1-phase5c2-rev4-self-contained-operational-prompt-patch-report.md
• knowledge/dev/laws/dieu44-trien-khai/design/p3d-phase5c2-impact-addendum-after-multidimensional-design.md
• knowledge/dev/laws/dieu44-trien-khai/design/p3d-pack1-phase5-tac-to-iu-migration-design.md
• knowledge/dev/laws/dieu44-trien-khai/reviews/opus-review-tac-ui-baseline-pass-5c2-prerequisite-satisfied-2026-05-12.md
• knowledge/dev/laws/constitution.md
• knowledge/dev/laws/dieu44-trien-khai/principles/p3d-terminology-and-multidimensional-entity-db-principle-2026-05-12.md

Confirmed state

birth_system_complete=true
birth_automation_complete=true
dual_trigger_status=SATISFIED
phase5c2_resume_allowed=true
phase5c2_execution_allowed=false_until_resume_plan_review
bulk_migration_allowed=false_until_review
ui_cutover_allowed=false
schema_mutation_allowed=false_until_review
birth_system_changes_allowed=false_unless_separate_review

Governance basis

• Constitution v4.6.3 NT9: if not certainly right, stop and verify.
• Constitution v4.6.3 NT13: PG First · PG Native · PG Driven.
• Constitution v4.6.3 NT15: design before implementation.
• P3D multidimensional principle: no hardcoded species/layer/count gates; Phase 5C2 must preserve Entity Living DB hooks and treat TAC→IU as more than row copy.
• TAC→UI baseline: TAC remains canonical UI source during pilot; UI cutover is forbidden.

Decision

Status: READY_TO_START_PHASE5C2_RESUME_COORDINATION

Allowed now:

• Ask Opus for parallel constitutional/status cross-check.
• Ask Claude Code CLI xhigh / Agent to draft Phase 5C2 TAC→information_unit resume plan from live PG and live code evidence.

Not allowed now:

• No Phase 5C2 execution.
• No bulk migration.
• No UI cutover.
• No schema mutation.
• No birth-system changes.
• No blind execution of rev4.

Next action

DISPATCH_OPUS_CROSSCHECK_AND_AGENT_RESUME_PLAN_DRAFT_ONLY