feat: display calendar event info in metadata chip

[devin-ai-integration]

feat: display calendar event info in metadata chip

Summary

When opening a note that's associated with a calendar event, the metadata chip in the outer header now extracts and displays information from the calendar event data.

Changes:

• Added useEvent hook to fetch event data from TinyBase store
• Updated metadata chip trigger to show video icon + truncated event title when session has an associated event
• Updated metadata popover to display event details: title, location (with map pin icon), meeting link with Join button, and date/time range
• Falls back to original date-only display when no event is associated

Review & Testing Checklist for Human

• Visual verification: Open a note with an associated calendar event and verify the metadata chip displays correctly (video icon, truncated title, popover content matches the design in the original screenshot)
• Join button: Click the "Join" button and verify it opens the meeting link in a new browser tab
• Fallback behavior: Open a note WITHOUT an associated calendar event and verify it still shows the calendar icon with relative date (Today, Yesterday, etc.)
• Long titles: Test with a calendar event that has a very long title to verify truncation works properly
• Participants: Verify participants section still displays correctly below the event info

Recommended test plan:

1. Create/open a note linked to a calendar event that has location and meeting link
2. Verify all event details appear in the popover
3. Click Join button to test meeting link
4. Open a standalone note (no calendar event) to verify fallback behavior

Notes

• The useEvent hook returns null when eventId is undefined, using empty string as fallback for useCell calls
• Both TriggerInner and ContentInner fetch event data independently (could be optimized in future)
• No local app testing was performed - visual verification recommended

Requested by: [email protected] (@ComputelessComputer)
Link to Devin run: https://app.devin.ai/sessions/6b6b97bc26404ee8bfe5b9725ba647b5

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