dot-iu-cutter v0.2 — Phase α Design GPT Review

Date: 2026-05-15
Reviewer: GPT
Files reviewed: Phase α design master, schema design, alias design, dry-run plan, risk review plan, design report
Scope: Review only. No DDL, no mutation, no migration.

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1. Verdict

phase_alpha_design_status: PASS
agent_revision_needed: false
risk_class: STANDARD
phase_alpha_DDL_authoring_allowed: true_after_explicit_prompt
phase_alpha_dry_run_allowed: false
production_migration_allowed: false

The Phase α design package is accepted. The next step is DDL authoring for review and dry-run preparation only. Production migration remains forbidden.

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2. GPT Decisions on Q1–Q6

Q1_alias_table_placement: cutter_governance.canonical_address_alias
Q2_FK_posture: soft_uuid_reference_no_cross_schema_FK_in_phase_alpha
Q3_authority_constraint: no_CHECK_constraint_in_phase_alpha
Q4_sandbox_alias_mirror: omit
Q5_dry_run_environment_policy: provision_fresh_sibling_env
Q6_identity_profile_cleanup: defer_not_in_phase_alpha

Rationale:

• cutter_governance is consistent with the v0.1 governance table placement and keeps alias governance separate from the core TAC SSOT.
• A soft UUID reference avoids cross-schema coupling while the table is expected to be 0-row at creation.
• CHECK constraints are deferred until the lifecycle write hook is designed; v0.1/v0.2 discipline favors additive low-risk first.
• Sandbox alias mirror adds duplication without operational value.
• A fresh dry-run environment avoids contamination from HB-05.
• identity_profile duplicate cleanup is cosmetic and should not be bundled into Phase α.

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3. Accepted Phase α Design Scope

production_columns_to_design:
  - public.tac_logical_unit.authority
  - public.tac_logical_unit.canonical_address_format_version
sandbox_mirror_columns_to_design:
  - sandbox_tac.logical_unit.authority
  - sandbox_tac.logical_unit.canonical_address_format_version
new_governance_table_to_design:
  - cutter_governance.canonical_address_alias
preserved_unchanged:
  - public.tac_logical_unit.canonical_address
  - sister_tables_canonical_address_columns
  - identity_profile_jsonb
  - v0.1 cutter_governance tables

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4. Required Next Step

Author Phase α DDL package for GPT review. The package may contain executable DDL text or scripts for review, but it must not execute them.

Before DDL authoring, perform the deferred read-only inspection of fn_tac_birth_gate_lu body.

next_agent_task: phase_alpha_DDL_authoring_package
DDL_execution_allowed: false
dry_run_execution_allowed: false
production_execution_allowed: false

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5. BR-6 Note

BR-6 remains open and gates P0-2 manifest design only. It does not block Phase α DDL authoring.