hermes-agent

fix(nix): switch nixpkgs input from nixos-24.11 to nixos-unstable (#5520)

fix(ci): pin floating GitHub Actions tags and ascii-guard to explicit versions (#3982)

fix: add turn-exit diagnostic logging to agent loop (#6549)

docs: add hermes dump and hermes logs to CLI commands reference (#6552)

feat: structured API error classification for smart failover (#6514)