Skill instructions (SKILL.md) could not be loaded from local cache or raw GitHub repository.
sre-design
SRE Book Ch3-6 — Safe Proxies/Zero Touch Production, Design Tradeoffs (feature vs emergent properties), Least Privilege (Zero Trust/BeyondCorp, small APIs, breakglass, MPA, 3FA, temporary access), Understandability (system invariants, mental models, security boundaries, centralized auth). Spanish triggers — "safe proxy google sre", "zero touch production", "zero trust networking sre", "least privilege sre", "mpa multi party authorization", "3fa three factor auth", "breakglass sre", "small api least privilege", "system invariants sre", "mental model sre", "security boundaries sre", "design tradeoffs sre", "understandability sre", "feature vs emergent property", "auditing access sre", "temporary access sre", "business justification sre", "acceso minimo privilegio google".