[Feature Request] Show token usage by agent

[GSSwain]

1. Type of Issue

Please select the type of issue (mark with an [x]):

• Feature Request
• Performance Improvement
• Documentation / Task / Other

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2. Why is it required?

This helps understand the cost of the tasks and potentially savings if we are using the local agent.

3. What is the acceptance criteria?

1. Show token usage by agent for task