[Feature] CARES liaison report export #284

Overview

Generate reports for CARES program submissions to be sent by the club liaison.

Parent: #276

Phase 3 - Reporting

Requirements

• FR5.1: Export all active registrations with member info, species, and dates
• FR5.2: Export fry sharing events (especially external/Red seal events)
• FR5.3: Export article submissions
• FR5.4: Include photos for species verification
• FR5.5: Filterable by date range (for quarterly submissions)
• FR5.6: Export formats: CSV for data, ZIP for photos

CARES Submission Requirements

Club liaison must submit to CARES administration 3x/year:

• Complete listing of participants and species
• Photo IDs for species verification
• Activity records (fry sharing, articles)

Admin UI

• Date range picker (default: last quarter)
• Preview table of data
• Export buttons: CSV, ZIP (with photos)
• Summary statistics

Export Format

CSV columns:

• Member name, email
• Species scientific name, common name
• Registration date, last confirmed date
• Fry shares (count internal, count external)
• Articles (count)

Acceptance Criteria

• Admin can generate registration report for date range
• Report includes all required CARES fields
• Photos can be exported in batch (ZIP)
• CSV export works correctly
• Preview shows data before export