chore: add image-size dep and metadata columns (migration 0003)

Co-Authored-By: Claude <noreply@anthropic.com>
2026-07-02 20:03:51 -07:00
parent 8a3df31eac
commit 89cef6966e
3 changed files with 14 additions and 0 deletions
--- a/migrations/0003_attachment_metadata.sql
+++ b/migrations/0003_attachment_metadata.sql
@@ -0,0 +1,3 @@
+-- 0003_attachment_metadata.sql — 给附件加结构化、按类型而异的元信息(纯增量)
+ALTER TABLE attachments ADD COLUMN metadata TEXT;      -- 按 kind 判别的 JSON 对象
+ALTER TABLE attachments ADD COLUMN metadata_kind TEXT; -- image|video|audio|document|file,冗余便于筛选