T08: keys: xterm and kitty encoding, Option as Alt by side, IME composition at the cursor; shot types real AppKit keys

TASKS.md

@@ -20,7 +20,7 @@ Progress truth. Top to bottom, one at a time. A task is ticked only after its co
 - [x] T05 Shell integration for zsh, bash, fish, PowerShell, injected at launch; tests that zsh and bash report their folder.
 - [x] T06 Terminal view: frame from the grid, colors and styles, wide and combining cells, cursor shapes and blink, font, line height, padding, resize.
 - [x] T07 Box drawing, block elements and powerline shapes (U+E0B0–E0B7) painted as geometry; tests.
-- [ ] T08 Keys: xterm encoding, modes, Option as Alt, kitty keyboard protocol, IME; tests.
+- [ ] T08 Keys: xterm encoding, cursor mode, Option as Alt, kitty keyboard protocol, IME; tests.
 - [ ] T09 Mouse: selection, mouse reporting, wheel and scrollback, clipboard, copy on select, OSC 52, links; tests.
 - [ ] T10 Focus reporting, title, silent bell, scrollback limit, find.