The pane drew its own <audio controls> for a downloaded file, and its
onplay also started the player bar, so one click played the same file
twice at once. The pane now has a play button (with the file's type
icon, like the other rows) that hands that exact file to the player
bar, the only player. play() takes the file, so another of an item's
files starts from its top instead of resuming the first. Dead CSS for
the pane's <audio> removed.
Test: play in the Files pane leaves one <audio> on the page, the bar's.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0173mGu6rK18Ne7UGTwAaVJV