[FEATURE] Detect repository references

[rajbos]

Is your feature request related to a problem? Please describe.
For later user it would be great if we can detect the repository (if present) that the chat belonged to. We can use that reference later to do an API lookup to see if Coding Agent / Review Agent are in use on the PR's in the repo.

Describe the solution you'd like

1. Detect repo info per chat session and store it in the cache / Azure Blob Storage
2. Update the chart to have a view with shows the token counts per repo
3. Perhaps a table with repo/session/chat turns per day?

[github-actions]

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