Carries forward new-task research + solution drafts under
_docs/02_task_plans/uav-batch-upload/ that were not included in
the Step 9 task-spec commit (42a3cc7). Also marks the autodev
state as Step 10 in_progress for cycle 2 implementation.
Co-authored-by: Cursor <cursoragent@cursor.com>
Oleksandr Bezdieniezhnykh