External JS runtime now a hard yt-dlp dependency (Python jsinterp deprecated
for YouTube 2025.11.12); QuickJS-ng via NDK or HLahwani/yt-dlp-android is the
path. Also fixes a markdown line starting with '#'.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
First sub-project of the Android client: a research spike to decide go/no-go
on a standalone on-device download engine (yt-dlp + JS runtime + POT) before
building any UI. Four research questions, "reproduce where cheap" on the
emulator.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>