flterm v0.0.4

Breaking

• Selection APIs: selection is backed by libghostty. TerminalSelection
  and TerminalSelectionMode are removed, TerminalConfig.wordPattern
  moves to TerminalGestureSettings.wordBoundaries, and gesture toggles
  are explicit settings.

Added

• Terminal links: TerminalView.linkSettings detects OSC 8 links,
  text URLs, file paths, and custom regex links.
• Controller APIs: selectRange, hasSelection, pwd, and
  onPwdChanged expose selection and working-directory state.
• Glyph Protocol: TerminalConfig.glyphProtocol toggles Glyph Protocol
  APC handling.

Changed

• Rendering pipeline: selection, cursor viewport state, and cell metadata
  use refreshed libghostty render snapshots.