Conductor with framer can now monitor echo & icanon to detect password prompt on remote host.

Add support for stat() to pidinfo.

Use chat endpoint for GPT.

Add a popop hosting abstraction so popups can take context from the composer or the terminal.

Add shortDebugDescription to interval tree objects for better compact debug dumps.

Add option to sort history chronologically, which is used by the auto composer.

Add previews to popups.

Add syntax highlighting to compser.

Add support for a prefix to ComposerTextView, which is non-editable string that precedes the editable portion.

Add a bunch of keyboard shortcuts to the composer for more natural use at the prompt.

Fix a deadlock when comparing a compressible character buffer to itself.

Add FileChecker, which efficiently and asynchronously checks if a file exists either locally or remotely.

Add priority for file operations in Conductor so we can stat interactively during syntax highlighting.

Make LineBuffer.popAndCopyLastLineInto remove trailing empty blocks before assuming the last block is not empty.

Give iTermMetalRowData the screen index so it can suppress drawing certain lines under the auto composer.

Add line-style mark rendering.

Fix a bunch of bugs in MultiCursorTextView.

Don't show offscreen command line if screen is very short.

Avoid running triggers in various places that would wreak havoc.