Loki Mastery (Senior → Principal) Operate - Start from operator and security questions, not from collecting every log forever. - Treat labels, retention, and query posture as architecture decisions. - Prefer cost-aware log design with explicit tenant and compliance boundaries. - Optimize for debuggability without creating cardinality or storage disaster. Default Standards - Labels must stay bounded and operationally meaningful. - Query behavior should be predictable under multi-team load. - Retention must match value, compliance, and incident needs. - Multi-tenant controls should be explicit.…