Two follow-up fixes from end-of-session verification of recent merges:
1. core/cli.py — wire `core contemplation` subcommand
PR #55 + #58 added the contemplation CLI at python -m core.contemplation
but never registered it under the `core` umbrella command, so
`core --help` didn't show it. Adds a subparser mirroring the existing
pattern (chat/test/check/.../doctor) that delegates to the existing
core.contemplation.__main__:main() — no duplication of arg parsing.
Surface preserved verbatim: reports (positional, 1+), --lane
{frontier_compare, contradiction_detection}, --pack-id, --note,
--report, --sink-root.
2. tests/test_architectural_invariants.py — restore INV-02 allowlist
PR #57's evals/lab/phi_separation_probe.py imports normalize_to_versor
for construction-time experimental rotor + embedding work, which
triggered INV-02's AST-scan failure (the test enforces that
normalize_to_versor is only called from a small allowed file set).
evals/lab/ is research-only, never imported by runtime — adding the
probe to allowed_files doesn't weaken the runtime invariant the
test enforces.
Verification
------------
$ core test --suite smoke -q
67 passed in 26.63s (was 66 passed / 1 failed before)
$ core contemplation --help
... shows the new subcommand surface
$ core contemplation evals/contradiction_detection/results/v1_public_*.json \
--lane contradiction_detection \
--sink-root /tmp/sink \
--report /tmp/run.json
... 4 SPECULATIVE findings; sink writes to /tmp/sink/2026/2026-05.jsonl
83c18e4641