Two v2-unlocked polish items now that the TUI is on bubbletea v2:
Native cursor — the composer caret was a frame-animated "▏" that forced the
redraw loop to keep ticking in insert mode. v2's View.Cursor lets the terminal
draw and blink a real cursor, so:
- editorLines/launcherInput drop a width-1 marker rune (U+E123, same cell width
as "▏") at the caret; View() locates it in the fully-composited frame via
splitCursor → (X,Y), swaps it for a space, and sets a blinking CursorBar there.
- render() (preview/golden tests) resolves the marker to the static "▏" glyph, so
screenshots are unchanged and the marker never leaks into output.
- nil cursor in normal mode hides it (vim-correct); gated on overlay==None so an
open palette/files modal (which keeps editMode==Insert) doesn't draw a cursor
behind it.
- animating() no longer forces a redraw in insert mode — the terminal blinks the
cursor itself, so an idle insert screen holds still (native text selection
survives) and burns no frames.
Window title — View.WindowTitle names the terminal tab after the active session,
falling back to the model name then "correx".
Tests: new cursor_test.go (coord extraction, mode/overlay gating, no marker leak);
updated the animating-gate test for the new insert-mode contract. Build, vet,
gofmt, full suite green; compose preview shows the static caret with no marker leak.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
kami
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