2026-08-14 — Final exact-tree review gate

Scope

Closed the post-remediation code-review loop for Sprint 2–4 implementation. No commit, push, deploy, credential rotation, JWT rotation, or public-access change was performed.

Remediation verified

The final independent review specifically checked and found no blocker in:

trainee access to draft/failed/analyzing groups by guessed ID;
hardest-persona ranking (loss count descending, then average score ascending);
atomic group-analysis publication of sales_kit, personas, report, and status=ready under the group record lock;
group deletion versus session mutation/start, including per-session record/process locks;
organization active/seat invariants shared by user provisioning and org updates;
first-run bootstrap serialization across workers;
current-user/org/role-bound export authorization plus session org_id and user-membership filtering;
nested JSON record-lock reentrancy, tenant-bound session scope, and mutation paths.

Five regression tests were added in backend/tests/test_final_review_regressions.py for the concrete review findings.

Verification evidence

Canonical backend suite: 152 passed (backend/.venv/bin/python -m pytest -q backend/tests).
Final-review regression subset: 5 passed (backend/.venv/bin/python -m pytest -q backend/tests/test_final_review_regressions.py).
Executable backend scripts: 12/12 passed.
Frontend production build: 1,778 modules transformed; temporary artifact check: 2 asset references / 0 missing.
compileall, git diff --check, and CI YAML parsing: passed.
Added-line static security scan: no hardcoded-secret assignment, shell injection, dangerous eval/exec, pickle deserialization, or formatted SQL execution patterns detected.

Independent reviewer verdict

A fresh bounded reviewer inspected the exact current tree and the nine relevant implementation/test files without modifying them:

{
  "passed": true,
  "security_concerns": [],
  "logic_errors": [],
  "suggestions": [
    "The direct pytest invocation for tests/test_final_review_regressions.py reported no tests collected under the current configuration; rerun through the repository's intended test command.",
    "Consider adding an explicit interleaving test for group deletion versus concurrent session mutation/start to complement the lock-presence regression."
  ]
}

The first suggestion was verified with the repository-root command above and passed 5 tests. The second is non-blocking: lock-presence and existing concurrency tests pass, while a true multi-process interleaving test remains useful future hardening.

Remaining gates

Docker is unavailable on this Mac, so image build/runtime was not exercised locally; CI contains the clean multi-stage build and /ready smoke path. Real-provider QA, browser/mobile E2E, PostgreSQL/Redis validation, production authenticated smoke, restricted deploy, bootstrap-password rotation, and JWT rotation remain operational gates requiring explicit operator approval where applicable.

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