Memory Sidecar v3.5.1 Released with Security, Reliability, and Observability Upgrades

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Memory Sidecar v3.5.1 has been released as an operational hardening update for the hermes-memory-installer ecosystem, focusing on production readiness rather than new features. The release strengthens reliability through automatic retry-and-backoff, circuit breakers, proactive memory pruning, and improved connection pooling tied to available CPU cores. On the security front, TLS 1.3 is now mandatory for all incoming requests, API keys must be scoped to specific memory pools via Bearer headers, and full audit logging has been introduced. Operational visibility is enhanced through structured JSON logging and a Prometheus-compatible metrics endpoint tracking latency, error rates, and pool utilization. Deployment is managed via hermes-memory-installer, which now includes dependency validation, SHA-256 checksum verification, and support for both sidecar container and systemd unit configurations.

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