Change states for missing hearings

[delexagon]

Summary

References issue #1994, does not close.

• Changed retrieval of hearing data to getServerSideProps, so that an invalid hearing id refers to a 404 page
• Changed previous transcriptions.ts to hearing.ts for common definition/fetch of hearing data
• Described possible null states for components involving hearing sidebar
• Fixed bug where Hearing+Transcription badge would show on page without Hearing or Transcription

Checklist

Strings are in locale

Screenshots

Nonexistent hearing:

Existing hearing:

Hearing without video or transcript:

Hearing without content.HearingAgendas[0].DocumentsInAgenda:

Hearing without content.HearingHost.CommitteeCode:

Hearing without content.HearingHost.GeneralCourtNumber:

Hearing without content.Name:

Hearing without parseable content.EventDate:

Hearing without videoTranscriptionId:

Known issues

N/A

Steps to test/reproduce

1. Check that the hearing details page possesses all available features
2. Check that a hearing that does not exist is returned with a 404 code and page
3. Check that missing components in firebase content do not cause strange UI results (the above images should be representative)

[vercel]

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Project	Deployment	Review	Updated (UTC)
maple-dev	Ready	Preview, Comment	Jan 7, 2026 5:24am