Produce written audit record for TOML read-merge-write correctness#4128
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Trecek merged 2 commits intoJun 27, 2026
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Add four new tests verifying that the TOML read-merge-write path in ensure_codex_mcp_registered and sync_hooks_to_codex_config preserves unknown top-level scalar keys (model, theme, disable_telemetry): - TestDestructiveOverwritePrevention.test_preserves_unknown_top_level_scalars - TestDestructiveOverwritePrevention.test_preserves_unknown_top_level_scalars_on_re_registration - TestSyncHooksToCodexConfig.test_sync_preserves_unknown_top_level_scalars (in test_codex_hooks.py) - TestSyncHooksToCodexConfig.test_preserves_unknown_top_level_scalars (in test_codex_hooks_round_trip.py) No production source files modified.
Document six findings confirming the TOML read-merge-write path in _codex_config.py and _codex_hooks.py preserves unknown configuration keys: - _upsert_config_value helper does not exist - ensure_codex_mcp_registered follows read-mutate-write - _serialize_toml has no key allowlist - _format_toml_value raises TypeError on unsupported types - sync_hooks_to_codex_config touches only 'hooks' - Three new tests close the pre-existing coverage gap No source code or test changes; documentation-only deliverable. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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AutoSkillit PR Review — Verdict: approved. No blocking issues found.
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t5-p6-a8-wp1-produce-written-audit-record-confirming-the-tom/4057
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Summary
Produce a written audit record confirming that the TOML read-merge-write path in
_codex_config.pyand_codex_hooks.pyis correct (unknown keys are preserved, no destructive overwrite), and add four new tests validating unknown-key preservation throughensure_codex_mcp_registeredandsync_hooks_to_codex_config. The audit document at.autoskillit/temp/audit_toml_read_merge_write_2026-06-27.mdconfirms six findings about the read-merge-write path; tests verify behavior intests/backend/test_codex_hooks_round_trip.py,tests/execution/backends/test_codex_config.py, andtests/hooks/test_codex_hooks.py.Individual Group Plans
Group 1: t5-p6-a8-wp1-audit-toml-read-merge-write_plan_2026-06-27_080000
Produce a written audit document confirming that the TOML read-merge-write path in
_codex_config.pyand_codex_hooks.pyis correct (unknown keys are preserved, no destructive overwrite), then add four new tests validating unknown-key preservation throughensure_codex_mcp_registeredandsync_hooks_to_codex_config. No production source files are modified.Group 2: t5-p6-a8-wp1-produce-written-audit-record_plan_2026-06-27_075138
Create the missing audit findings document at
.autoskillit/temp/audit_toml_read_merge_write_2026-06-27.mdconfirming six findings about the TOML read-merge-write path in_codex_config.pyand_codex_hooks.py. No source code or test changes — the tests already exist and pass. This is a documentation-only deliverable.Closes #4057
Implementation Plan
Plan files:
/home/talon/projects/autoskillit-runs/impl-20260627-075138-527422/.autoskillit/temp/make-plan/t5-p6-a8-wp1-audit-toml-read-merge-write_plan_2026-06-27_080000.md/home/talon/projects/autoskillit-runs/impl-20260627-075138-527422/.autoskillit/temp/make-plan/t5-p6-a8-wp1-produce-written-audit-record_plan_2026-06-27_075138.md🤖 Generated with Claude Code via AutoSkillit
Token Usage Summary
* Step used a non-Anthropic provider; caching behavior may differ.
Token Efficiency
Model Usage Breakdown