Track telemetry around context condense operations

[canrobins13]

What problem does this proposed feature solve?

When autoCondenseContext is triggered or eventually manual condense operations are triggered we should track telemetry around these events.

Describe the proposed solution in detail

The initial PR was implemented here #3582
When the conversation is summarized we should track telemetry with information about the event

Technical considerations or implementation details (optional)

No response

Describe alternatives considered (if any)

No response

Additional Context & Mockups

No response

Proposal Checklist

• I have searched existing Issues and Discussions to ensure this proposal is not a duplicate.
• This proposal is for a specific, actionable change intended for implementation (not a general idea).
• I understand that this proposal requires review and approval before any development work begins.

Are you interested in implementing this feature if approved?

• Yes, I would like to contribute to implementing this feature.