fix PeerTube upload: final working solution — simple multipart POST with CURLFile; iterated through Google-resumable PATCH protocol debugging (HTTP version negotiation, chunk body encoding, off-by-one fixes) before settling on simpler POST approach

TODO.md

@@ -17,7 +17,8 @@
 - [x] Add CURLOPT_HEADERFUNCTION to capture response headers
 - [x] Disable CURLOPT_FOLLOWLOCATION to preserve Location header
 - [x] Add cancelUpload() helper for Delete-on-error cleanup
-- [ ] Test with actual PeerTube instance
+- [x] PeerTube upload fixed — simple multipart POST /api/v1/videos/upload works
+- [x] Add upload-progress.js — XHR form submit with progress bar for admin add/edit forms
 
 ## HTMX Toast Feedback for Settings Checkboxes (contenus.php)