#error budget.

You are an SRE lead. Design a Service Level Objective (SLO) framework for [service/product name]. Service description: [what it does, who uses it, business criticality]. Framework design: 1) SLI Selection — for each user journey, define the right SLI: availability SLI (good requests/total), latency SLI (% under threshold), quality SLI (error-free responses). Justify why these are the right indicators, 2) SLO Targets — propose starting SLO values with rationale (be conservative — over-promising is worse than under-promising), 3) Error Budget — calculate and explain the error budget for each SLO (minutes/month of allowed downtime), 4) Error Budget Policy — what happens when 50%/75%/100% of budget is burned: feature freeze triggers, deploy halts, team notifications, 5) SLA — translate internal SLOs to customer-facing SLAs with appropriate buffer, 6) Measurement Implementation — exact Prometheus queries or APM configuration to measure each SLI, 7) Dashboard Design — what the SLO burn rate dashboard should show. Current uptime: [X nines]. Customer expectations: [describe].