Dev-only telemetry handler that tracks and logs LLM token usage and estimated costs across Synaptic workflow runs.

Usage

# Attach once (e.g. in iex or application start)
Synaptic.Dev.CostTracker.attach()

# Run your workflow...
Synaptic.Dev.BrowserUseDemo.run()

# See accumulated totals
Synaptic.Dev.CostTracker.summary()

# Reset counters
Synaptic.Dev.CostTracker.reset()