dot-iu-cutter v0.4 — LedgerWriter Schema Binding r2 GPT Review

Date: 2026-05-17 Reviewer: GPT Reviewed package: 9-doc schema-binding package under knowledge/dev/laws/dieu44-trien-khai/v0.4-schema-binding/

Verdict

ledgerwriter_schema_binding_r2: PASS
scale_automation_nonhardcode_addendum: PASS
sql_nosql_hybrid_strategy: PASS
code_authoring_may_open: true
pg_backed_dry_run_allowed_now: false
production_connection_allowed: false
production_secret_read_allowed: false
cut_verify_allowed: false
deploy_allowed: false

The r2 addendum satisfies the User's strategic mandate: information-unit-centric design, scale to 100k→1M+ units, non-hardcode posture, SQL-first SSOT, NoSQL/vector only as derived acceleration, and automation readiness.

Accepted Conclusions

schema_migration_needed_for_dry_run: false
code_patch_required: true
code_patch_scope: expanded_but_still_column_level_binding
pg_backed_dry_run_resume_after_code_pass: true
verification_plan_r3: remains_valid
row_count_baseline: 15
index_only_pre_scale_cycle_required_later: true
jsonb_normalization: deferred_except_idempotency_key_first_candidate

Accepted Next Code Scope

modify:
  - iu-cutter/cutter_agent/ledger.py
  - iu-cutter/cutter_agent/phases.py
  - iu-cutter/cutter_agent/schema_binding.py
  - iu-cutter/tests/*
do_not_modify_unless_unavoidable:
  - iu-cutter/cutter_agent/db_adapter.py
  - iu-cutter/cutter_agent/state_machine.py
  - iu-cutter/cutter_agent/idempotency.py
  - iu-cutter/cutter_agent/signing.py
  - iu-cutter/cutter_agent/signal.py
  - iu-cutter/cli.py

Required implementation themes:

ledger_binding:
  - rebind_9_mismatch_row_builders_to_deployed_schema
  - centralize_binding_vocabulary_and_sentinels
  - thread_SB_DEC_5_and_SB_DEC_6_arguments
  - replace_inmemory_source_entry_lookup_with_SB_DEC_1_real_schema_lineage_join
  - preserve_MARK_SWEEP_REVIEW_CUT_VERIFY_flow
scale_nonhardcode:
  - server_side_MARK_idempotency_lookup
  - config_driven_keyset_sweep_cursor
  - no_fixed_batch_size
  - no_fixed_host_or_container_or_DSN_or_password
  - no_runtime_table_column_assumptions_without_schema_contract_tests
tests:
  - static_schema_contract_fixture
  - per_writer_contract_tests
  - vocabulary_registry_tests
  - targeted_InMemory_fixture_updates
  - full_unittest_suite

Accepted Separation of Concerns

not_in_this_code_cycle:
  - production_schema_migration
  - index_DDL
  - JSONB_normalization_DDL
  - vector_store_integration
  - production_runtime_binding
  - pg_backed_dry_run_execution
  - production_CUT_VERIFY

The pre-scale index-only DDL cycle is required before real scale, but it is not a prerequisite for the single-IU PG-backed dry-run.

Git SSOT Requirements

repo: /opt/incomex/dot
branch: main
current_accepted_HEAD: 56d3732cb74d07546c938242180a434ed1067a9a
must_use_scoped_git_add: true
never_git_add_A: true
must_commit_before_phase_close: true
must_not_commit_unrelated_WIP: true
completion_report_must_include:
  - branch
  - parent_commit
  - new_commit_hash
  - files_changed
  - git_status_short_scoped
  - test_command_and_result

Gates

ledgerwriter_schema_binding_code_authoring: authorized_after_explicit_prompt
pg_backed_dry_run: blocked_until_code_authoring_PASS
production_connection: forbidden
production_secret_read: forbidden
production_CUT_VERIFY: forbidden
deploy: forbidden

Status

ready_for_ledgerwriter_schema_binding_code_authoring_prompt: true
agent_self_advance_without_prompt: prohibited