WIP: feat(zenodo): automate monthly dataset publishing to Zenodo

[vcnainala]

Summary

• Zip CSV exports during the monthly pipeline so coconut_csv-*.zip files are included in S3 uploads (required for Zenodo and the download page).
• Add publish_zenodo.py to create new Zenodo dataset versions via the deposit API after each monthly export.
• Expose ZENODO_* configuration through .env.example and config/services.php (Laravel service config pattern).

Changes

Commit	Description
fix(exports): zip CSV archives for monthly S3 downloads	Zip lite/full CSV before cleanup
feat(zenodo): publish monthly exports to Zenodo after S3 upload	Zenodo publisher script + pipeline hook + env config

Configuration

ZENODO_ENABLED=false
ZENODO_ACCESS_TOKEN=
ZENODO_LATEST_DEPOSITION_ID=13897048
ZENODO_CONCEPT_DOI=10.5281/zenodo.13382750
ZENODO_API_URL=https://zenodo.org/api
ZENODO_AUTO_PUBLISH=false
ZENODO_DRY_RUN=false
ZENODO_RELEASE_NOTES=

Test plan

• Run monthly export with ZENODO_ENABLED=false and confirm CSV zips appear under prod/downloads/{YYYY-MM}/
• Run python publish_zenodo.py --dry-run against a completed export directory
• Test against Zenodo sandbox with ZENODO_API_URL=https://sandbox.zenodo.org/api
• Create a draft version on sandbox and verify file names match existing Zenodo conventions
• Confirm ZENODO_LATEST_DEPOSITION_ID is updated after each publish

WIP notes

• Validate SQL dump zipping on production-sized dumps (~30 GB uncompressed)
• Decide on default ZENODO_AUTO_PUBLISH policy (currently false for manual review)
• Update docs/versions.md DOI references once first automated release is published

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 6.13%. Comparing base (4223a58) to head (1b8f8eb).

Additional details and impacted files

@@              Coverage Diff              @@
##             development    #815   +/-   ##
=============================================
  Coverage           6.13%   6.13%           
  Complexity          1737    1737           
=============================================
  Files                227     227           
  Lines               8961    8961           
=============================================
  Hits                 550     550           
  Misses              8411    8411           

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