fix(audit): harden URL fetch paths and refresh production audit docs

[POWERFULMOVES]

Summary\n- harden outbound URL handling for CHIT image decode paths in Hi-RAG gateway and Hi-RAG v2\n- harden SupaSerch HTTP fallback URL templating/validation to prevent unsafe URL usage\n- refresh roadmap/next steps/merge tracker with current hardened production status and live audit counts\n- restore missing helper scripts used by codex-health-quick and codex-audit\n- capture targeted gate evidence in pmoves/docs/evidence/production_audit/2026-02-16_codex_targeted_smokes.md\n\n## Commits\n- 39cadde fix(security): harden outbound URL fetch in hirag and supaserch\n- c6e392a docs(audit): refresh roadmap next-steps and merge tracker\n- dad34ed fix(ci): restore missing codex and gpu smoke helper scripts\n\n## Validation\n- python -m py_compile passed for touched Python files\n- make -C pmoves flight-check passed\n- make -C pmoves codex-health-quick now executes\n- make -C pmoves codex-audit now executes\n- make -C pmoves smoke currently fails because Qdrant is not ready\n- make -C pmoves smoke-gpu executes and fails when GPU gateway is unavailable\n

[chatgpt-codex-connector]

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