docs: Update stale documentation - docs/getting-started/first-interaction.md

## Stale Documentation Detected

**File:** `docs/getting-started/first-interaction.md`
**Current ms.date:** `2026-02-19`
**Age:** 95 days (threshold: 90 days)

---
**Workflow Run:** https://github.com/microsoft/hve-core/actions/runs/26396313156
**Detection Date:** 2026-05-25

### Action Required
- [ ] Review and update this documentation file
- [ ] Update `ms.date` frontmatter to current date
- [ ] Verify technical accuracy of content
- [ ] Close this issue manually after fixes are merged

Start by reading docs/getting-started/first-interaction.md and reviewing its current content for technical accuracy. Update the documentation as needed, set the ms.date frontmatter to the current date, and close the issue after the fixes are merged.

Written by the indexing model from the issue text.