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AI speeds Bash but invites subtle production bugs (unquoted vars, hidden failures). This guide delivers a hardened template and practical standards: strict modes, traps, safe quoting/arrays, null-safe file handling, defensive getopts parsing, explicit deps, and CI with ShellCheck+Bats. It includes install commands, CI snippets, and an AI prompt, plus a checklist to standardize/refactor scripts for reliable, reproducible ops—faster reviews, fewer incidents.