SHA-256 token storage, request fingerprints, and rate limits protect the gateway. Structured Gemini judgments have a heuristic fallback; every charge stores its verification metadata.
AVX-512 distance kernels use a scalar fallback on unsupported CPUs. A coordinator fans searches out to worker shards, merges their candidates, and returns the global top-k.
A Python RAG backend uses semantic chunking and gold dataset evaluation for workout analysis. The SwiftUI app brings together secure authentication, RIR logging, and StoreKit subscriptions.