Function getServerMetrics

getServerMetrics(): ServerMetricsManager
Get the singleton ServerMetricsManager instance.

This is the recommended way to access metrics in production code. The instance is lazily initialized on first access.

Returns ServerMetricsManager
The singleton ServerMetricsManager instance
Example
```
import { getServerMetrics } from './telemetry/metrics.js';

const metrics = getServerMetrics();
metrics.recordRequest('tool_name', 150, true);
```
- Defined in src/telemetry/metrics.ts:374