Most developers cargo-cult their SSH config from Stack Overflow. This is the setup I actually run: three GitHub identities on one machine, persistent control sockets, conditional git configs that auto-select the right key, and pinned known_hosts. No third-party tools.
Started with Bitwarden-only shell scripts. Needed to support 1Password and pass without breaking anything. Built a shell abstraction layer, then ported it to Go. Same interface, three backends, zero breaking changes.
Complete guide to ZSH hooks: automate prompts, time commands, activate virtualenvs on cd, and filter secrets from history–without slowing down your terminal.
Start on Mac, continue on Linux–same Claude conversation. Plus integrated AWS/Rust/Go/Python tools, extensible hooks, multi-vault secrets, and modular architecture. A framework, not just dotfiles.