[AIGNLAI]

Summary

• add a polished zero-dependency local ReflexRoute Playground
• support recorded replay without an API key and live zero-shot/few-shot decisions with a server-side key
• visualize candidate priors, probability distributions, confidence, retrieved evidence, latency, cost, and the mini benchmark
• keep the server bound to localhost by default and reject cross-origin/non-JSON paid requests
• document the visual demo in the main README

Validation

• replay, config, benchmark, and live route endpoints verified locally
• live Jev route completed successfully
• security responses verified: missing key 503, unsupported media type 415, cross-origin request 403
• 21 tests passed
• Python compilation, HTML parsing, and git diff checks passed