Zero shared mutable state, no I/O -- behavior-preserving, verified via the
smoke-test harness (28/28 endpoints match baseline).
- server/data/*: CITY_COORDS, RIR_DELEGATION_URLS, TIER1_ASNS, IX_CITY_MAP,
RIR country-code sets, UA constant
- server/aspa-verification/engine.js: the RFC ASPA verification engine
(hopCheck, verifyUpstream, verifyDownstream, detectValleys, etc.)
- server/resilience-score.js, server/route-leak.js: pure scoring/heuristic
functions
server.js: 6838 -> 6454 lines. Part of the module-split plan at
~/.claude/plans/linked-riding-newell.md.
