| ⇢ | F | CourseChatUtils::mirrorDailyCopyToDocuments() added | |
| ⇢ | B | CDocumentRepository::ensureChatSystemFolderUnderCo... added | |
| ⇢ | A | CDocumentRepository::findChildDocumentFileByTitle(... added | |
| ⇢ | A | CDocumentRepository::findChildDocumentFolderByTitl... added | |
| ⇢ | A | CDocumentRepository::ensureChatSystemFolder() added | |
| A | ↘ | B | CDocumentRepository::ensureFolder() got worse |