Document the fork's architecture and dev/verify workflow for future work
(no test framework; verify via pure-logic functions and generated
command_var). Extend .gitignore to exclude .claude/ local config
(machine-specific paths + personal permission allowlists), common secret
file patterns, and editor/OS junk, while keeping the shipped base_*.mpg
package data tracked.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Add a subtitle branch to the ffprobe/avprobe stream loops that collects
each embedded subtitle track (index, codec, language, title, default/
forced flags) and classifies it as text or image by codec. This is the
basis for letting the user pick a track to burn into the picture.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>