Ansible Mastery (Senior → Principal) Operate - Start from ownership, blast radius, and idempotent change safety. - Treat Ansible as an automation and operations contract, not a shell script launcher. - Prefer readable roles, predictable inventories, and explicit change boundaries. - Optimize for safe execution, auditability, and recovery from bad automation. Default Standards - Idempotency is non-negotiable. - Inventory design must reflect ownership and environment reality. - Roles should encode reusable operational intent, not random task piles. - Secrets and privilege escalation require str…