Export System (#513, #514, #515, #521, #525)

[celticr]

Combined Implementation Task

This issue combines 5 related export features into one implementation task.

Features to Implement

1. Selective export (was Implement selective export (choose specific items) #515)

   • "All items" vs "Select items" radio buttons
   • Expandable item list with checkboxes

2. Verification codes (was Implement export with verification codes #513)

   • Toggle in export modal
   • Generate verification.txt with SHA-256 hashes

3. Activity log (was Implement export with activity log #514)

   • Toggle in export modal
   • Generate activity_log.json with timestamps

4. Export package for lawyers (was Implement export package for lawyers/support services #521)

   • Export modal with "What's inside?" section
   • Package structure: originals/, notes/, manifest.json, activity_log.json, verification.txt

5. Download as ZIP (was Implement record download (single / selected / all) as ZIP #525)

   • Single file download
   • Selected files download
   • All files download

Design Reference

See /client/src/new-ux-ui-images/Screenshot 2026-01-10 at 17.46.39.png through 17.46.56.png

Acceptance Criteria

• Export modal with options
• Selective export working
• ZIP file generation
• Verification codes in package
• Activity log in package
• Manifest.json with summary

Closes #513, #514, #515, #521, #525

[elimisteve]

Two ways that "download all files to ZIP" could work: #525 (comment)

[elimisteve]

Regarding verification codes: #513 (comment)

[elimisteve]

Regarding the activity log: #521 (comment)

[elimisteve]

Regarding what the lawyers need: #521 (comment)