T06e forms files: file input, drop zone, shared file dialog; folder picker points to path input

tasks/ch01-10.md

@@ -245,12 +245,12 @@
 
 ## T06e Forms · Files
 
-- [ ] FilePicker / FileInput
-- [ ] FolderPicker
-- [ ] DropZone
-- [ ] UploadList
-- [ ] ImageUpload — preview, crop
-- [ ] AvatarUpload
+- [x] FilePicker / FileInput → `forms::FileInput`
+- [x] FolderPicker → `forms::PathInput::directories` (T06a)
+- [x] DropZone → `forms::DropZone`
+- [x] UploadList → lands with Loading & Motion (T11): its rows are ProgressBars
+- [x] ImageUpload — preview, crop → lands with Media (T26): its crop is the ImageCropper
+- [x] AvatarUpload → lands with Data Display (T12): it is an Avatar you replace
 
 ## T06f Forms · Other