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docs/sql/migrate-donation-infectious-disease-report.sql

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+-- 科研捐赠单：传染病检测报告附件字段
+-- 2026-07-13
+
+ALTER TABLE `biz_research_donation`
+  ADD COLUMN `infectious_disease_report_urls` text COLLATE utf8mb4_unicode_ci COMMENT '传染病检测报告附件URL（逗号分隔）' AFTER `attachment_urls`;