Migrations:
- htyws: add org_id, org_visible columns to course_group
- htykc: create course_package_item table
Backend:
- CourseGroup: add org_visible, org_id fields; find_org_visible_by_org_id query
- CoursePackageItem: new model with sync/list API
- SUPERVISOR role check for package item management
- New endpoint: GET /api/v1/ws/find_org_visible_course_groups
- New endpoints: POST /api/v1/clazz/course-package/item/sync,
GET /api/v1/clazz/course-package/item/list/{package_id}
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
weli
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