test(structex): unique basename for gti receipt test to fix full-tree collection

[scarmani]

What & why (HEALTH-5 #8262 — unblocks p2-docs scrutiny)

tests/gti/test_receipt.py (added by #7877, 2026-06-15) and the pre-existing
tests/heterogeneity/test_receipt.py share a basename, and neither directory
has a package __init__.py. Under pytest's default prepend import mode,
full-tree collection (pytest tests/, used by the smoke tier
scripts/test_tiers.sh smoke = pytest tests/ -m smoke) imports both as the
top-level module test_receipt and raises import file mismatch, so the
mission smoke gate is RED on origin/main.

Sibling dirs tests/gauntlet/ and tests/review/ (also test_receipt.py)
already have __init__.py and do not collide. The preferred __init__.py fix
is path-frozen: open PR #8460 already adds both tests/gti/__init__.py and
tests/heterogeneity/__init__.py (currently BLOCKED on aragora-merge-quorum),
and PR #8382 renames the heterogeneity side but is Tier-4 (parked for operator).
This PR takes the equivalent, path-freeze-clean route: rename the gti file to a
unique basename. Pure git mv, no test-body change.

Validation (fresh origin/main worktree)

• Before: python3 -m pytest --collect-only tests/ -q → rc=2, import file mismatch, 1 collection error.
• After: python3 -m pytest --collect-only tests/ -q → rc=0, 228930 collected, 0 errors.
• AWS_…=/dev/null make test-smoke → rc=0 (Smoke tests passed).
• PYTEST_BIN="python3 -m pytest" bash scripts/test_tiers.sh smoke → rc=0, 138 passed (matches clean-main baseline).
• make lint → rc=0.

Risk

Tier 0 (tests-only rename). No test bodies change. No CI/workflow/script
references the gti path (only tests/gauntlet/test_receipt.py is referenced, in
scripts/ci_core_suites.sh, which is untouched). Composes cleanly with #8460 /
#8382 if either later lands (disjoint files).

[github-actions]

Aragora Code Review

Advisory-only review. No issues found.

[scarmani]

Claude independent model review

Reviewer: claude (anthropic) — independent adversarial model review via the Aragora Claude reviewer, grounded on the exact PR head.
Head: 7087e87 (7087e87), committed 2026-06-16T23:01:46Z.
PR: #8492.
Model family: claude

Verdict: PASS

• Pure git rename, 100% similarity — no content change. Content of tests/gti/test_gti_receipt.py preserved (verified head: imports aragora.gti.receipt, no internal references to its own module name).
• Root cause confirmed: neither tests/gti/ nor tests/heterogeneity/ has __init__.py, so pytest's rootdir-basename collection collides on test_receipt.py. Renaming the gti file to a unique basename resolves the collision. The other two tests/gauntlet/test_receipt.py and tests/review/test_receipt.py are inside packages (have __init__.py), so they don't participate in the basename clash.
• No Python imports referenced the old module path tests.gti.test_receipt (grep clean; only unrelated string literals like "test_receipt.json" matched).
• Stale __pycache__/test_receipt.cpython-311-pytest-9.0.2.pyc will linger in tests/gti/__pycache__/ on local dev checkouts after pulling. Harmless (pytest won't collect a .pyc without a matching .py), but worth a one-line note in the PR if anyone is debugging locally. Not blocking.
• No security, correctness, or regression risk surface in a test-file rename.

No blocking issues. Suggest a follow-up to add tests/gti/__init__.py (and audit other rootdir test dirs) as a more durable fix, but out of scope here.

dogfood: yes

[scarmani]

Grok independent model review

Reviewer: grok (xai) — independent adversarial model review via Grok Build CLI harness, grounded on the exact PR head.
Head: 7087e87 (7087e87), committed 2026-06-16T23:01:46Z.
PR: #8492.
Model family: grok

Reviewing the rename for references, pytest discovery, and collision risks.
Verdict: PASS

• No blocking issues. Pure git mv (0 line changes); test logic, imports, and assertions are unchanged.
• [P3] tests/gti/test_gti_receipt.py — Collision fix is correct: tests/gti/ and tests/heterogeneity/ are both flat (no __init__.py); only those two shared the test_receipt.py basename among flat dirs. Full-tree pytest --collect-only tests/ now succeeds locally (228,930 collected, 0 errors); renamed module runs 13/13.
• [P3] tests/gti/ (unchanged) — Still lacks __init__.py; future generic basenames in this flat dir could collide again. Out of scope here; optional hardening is tests/gti/__init__.py or a gti_ naming convention.
• [P3] docs/superpowers/plans/2026-06-06-ground-truth-integrity-benchmark.md (not in diff) — Still references tests/gti/test_receipt.py; no CI/script hits found, but copy-paste from that plan will fail.
• No security or production-code regression risk; no hardcoded node IDs or CI paths for the old GTI filename.

dogfood: yes