Twenty-third (final) pass: _safe_enum fix applied to rust_backend.py but NOT
real_zinc_plane.py other copy crashes (Z1 High), no health check endpoint
silent failures invisible to orchestration (Z5 High), process_intent calls
venue.submit without exception handler venue error bypasses Rust FSM (Z6 High),
snapshot mixes Rust and Python accounting capital can diverge (Z7 Medium),
BingxVenueAdapter.close executor null-to-shutdown TOCTOU race (Z8 Medium),
generated test f-string chr(34) template SyntaxError risk on old Python (Z9
Medium), launcher uses Python 3.10+ | union syntax no min version documented
(Z10 Medium), concurrent process_intent on same slot no lock no queue (Z12
Medium). 403 total flaws across 23 passes.
Co-authored-by: CommandCodeBot <noreply@commandcode.ai>
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