feat: add Darwin Core Archive (DwC-A) export format#1131

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feat/dwca-export

Commits on Feb 11, 2026

docs: add DwC-A export plan and technical references

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feat(exports): add Darwin Core Archive (DwC-A) export format

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test(exports): add DwC-A export tests

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docs: add feature context and roadmap to DwC-A export plan

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docs: add review findings and follow-up roadmap to DwC-A plan

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fix(exports): fix null guards and field semantics in DwC-A mappings

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fix(exports): filter null event/determination and fix PII leak in EML

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fix(exports): temp file cleanup, timezone, and EML schema fixes

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fix(exports): update tests and docs for DwC-A review fixes

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fix(exports): meta.xml field mappings, enclosure char, and progress update

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test(exports): optimize DwC-A tests with setUpClass shared export

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fix(exports): enable filter backends and derive events from filtered occurrences in DwC-A

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test(exports): add DwC-A collection filter test and fix event count assertion

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Commits on Feb 12, 2026

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