Observability: Complete Metrics Framework
You can't improve what you don't measure. Here's every metric category, how to calculate each, and how it drives decisions.
flowchart LR subgraph Sources[" Data Sources"] S1["Agent Runtime
OTel spans"] S2["LLM Gateway
Token counts"] S3["Tool Calls
Latency, errors"] S4["User Feedback
Thumbs up/down"] end subgraph Pipeline["⚙ Processing"] C["Collector
OTel Collector"] E["Eval Pipeline
Nightly golden set"] end subgraph Storage[" Storage and Viz"] T["Cloud Trace
Request traces"] M["Cloud Monitoring
Dashboards"] BQ["BigQuery
Analytics"] A["Alerting
PagerDuty"] end S1 --> C S2 --> C S3 --> C S4 --> E C --> T C --> M C --> BQ M --> A E --> BQ style Sources fill:#fff7e6,stroke:#c47e0a,stroke-width:2px style Pipeline fill:#f0f7ff,stroke:#2b6cb0,stroke-width:2px style Storage fill:#f0fff4,stroke:#2d8659,stroke-width:2px
Category 1: Evaluation Metrics
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