Upload/Last Updated Timestamps on Year Table & Favicon

[danglorioso]

Issue

#177 #178

Who worked on this sprint/bug?

@danglorioso

Features Implemented

• Prevent deleting a year of data that doesn't exist-- replace with upload icon
• Rename "Available" --> "Uploaded"; "Unavailable" --> "Missing"
• Restyled status indicators
• Add uploaded and last updated columns
  • Modified routes to update these fields when year-specific data is uploaded/updated
• Entire action cell is now actionable (as if hovered over icon)
• Add MHD favicon

NOTE: This PR modifies the Neon production branch, adding the year_metadata table

New files created

• public/favicon.png

Existing files modified

• api/delete-year/route.ts
• api/projects/[id]/route.ts
• api/teachers/[id]/route.ts
• api/upload/route.ts
• api/years-with-data/route.ts
• layout.tsx
• components/YearsOfData.tsx
• components/YearDropdown.tsx
• lib/schema.ts

Screenshots:

Tag Dan and Shayne

@danglorioso @shaynesidman

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Project	Deployment	Actions	Updated (UTC)
mhd	Ready	Preview, Comment	Apr 11, 2026 5:31am