chore add core rust project files and diesel migrations

Track required workspace crates, scripts, and historical diesel migrations so the repository contains the complete runnable backend baseline. Made-with: Cursor
2026-04-23 17:20:01 +08:00
parent c843fecbce
commit 44c320d8fa
392 changed files with 11786 additions and 0 deletions
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+-- Your SQL goes here
+
+alter table kecheng_teacher
+    add duration integer;
+
+comment on column kecheng_teacher.duration is '课程时长（分钟）';
+
+alter table kecheng_student
+    add duration integer;
+
+comment on column kecheng_student.duration is '课程时长（分钟）';
+