Add agent status summary in Commit Graph

[trevor-polidore]

Description

Summarize agent status in the Commit Graph toolbar. This should allow users to:

• See if any agent needs input
• See the number of agent sessions running
• Click on the status to go to the Home view to take action and/or see more details

[trevor-polidore]

Closed in favor of implementing a Agents sidebar view in #5140