# From /opt/backstory run:
# python -m src.tests.test-metrics
from ..utils import Metrics

import json

# Get the singleton Metrics instance
metrics = Metrics()

# Use the existing metrics
metrics.prepare_count.labels(agent="chat").inc()
metrics.prepare_duration.labels(agent="prepare").observe(0.45)

json = metrics.model_dump(mode="json")
metrics = Metrics.model_validate(json)

print(metrics)