Module metrics 

Prometheus metrics for the agentkernel HTTP API and sandbox lifecycle.

All metrics use a dedicated Registry (not the global default) to avoid collisions with any dependency that might also use the prometheus crate.

Functions

dec_active_sandboxes

gather

Encode all registered metrics into Prometheus text exposition format.

inc_active_sandboxes

record_command

Record a command execution (counter + histogram).

record_http_request

Record an HTTP request (counter + histogram).

record_llm_request

Record an LLM API request (counter + token counters).

record_sandbox_lifecycle

Record a sandbox lifecycle operation (counter + histogram).

set_active_sandboxes