git:20260801.ec64dda to git:20260830.16ec660

3 added, 1 removed. Audit A to A.

# backend Plugin

Backend platform discipline: observability, metrics instrumentation, and distributed tracing.

## Skills

- **`observability`** — three pillars (logging, metrics, tracing): interconnection, purposes, and high-level practices

- **`prometheus`** — Prometheus metric types, naming, labels, cardinality, PromQL, alerting, instrumentation

- **`statsd`** — StatsD metric types, naming, UDP push model, DogStatsD extensions, aggregation patterns

- **`otel-tracing`** — OpenTelemetry tracing: spans, context propagation, instrumentation, sampling, semantic

conventions

## Plugin Scope

This plugin covers backend platform concerns — what's specific to building observable services, operators, workers, and

daemons. The `observability` skill provides high-level guidance across all three pillars; technology-specific skills

(`prometheus`, `statsd`, `otel-tracing`) cover tooling conventions. Language-specific skills (Go, TypeScript) are

- provided by their respective language plugins.

+ provided by their respective language plugins. Telemetry consumption — Grafana dashboards, query authoring, unified

+ alerting — belongs to the `grafana` plugin: backend produces telemetry, grafana consumes it. `grafana/promql` is the

+ authoritative PromQL reference.