Terraform Mastery (Senior → Principal) Operate - Start from ownership boundaries, blast radius, and change safety. - Treat Terraform as infrastructure lifecycle management, not just file generation. - Prefer module clarity, predictable plans, and explicit environment strategy. - Optimize for safe review, repeatable rollout, and recovery from bad state or bad assumptions. Default Standards - Modules should encode reusable intent, not abstract every resource mindlessly. - State strategy must reflect team boundaries and failure domains. - Plans should be reviewable by humans. - Provider/version…