docs(confs): add security audit report 20260801
- Audit covers confs.py, log_client.py, startup scripts, and pymsg/rpc.py dependency
- Documents 8 issues fixed during this audit cycle (P0-P2) including Slowloris DoS,
OOM, thread death, TOCTOU race, and log_client hardening
- Lists 4 remaining P1 issues (reload empty string clears all cache, mutable cache
reference leak, list() symlink metadata leak, key type validation), 4 P2 issues,
and 6 P3 issues with root cause, risk analysis, and fix suggestions
- Security mechanisms summary table for quick reference
- Follows project convention: gateway/docs/SECURITY_AUDIT_YYYYMMDD.md
qing
e4e9968d14