Adds a "Choose a terminal" section to
`packages/coding-agent/docs/windows.md`
(https://pi.dev/docs/latest/windows), with two tables (last updated
October 2026):
- Terminals and which conhost they use: Windows Terminal (recommended),
VS Code, WezTerm nightly (bundled, up to date); WezTerm 20240203
(bundled, old); Alacritty (built-in unless `conpty.dll` +
`OpenConsole.exe` are provided); classic console window, mintty,
ConEmu/Cmder, Windows OpenSSH (built-in).
- Known problems by conhost type:
- Built-in: crash when switching fullscreen -> regular or using `Ctrl+G`
from fullscreen (#9186, microsoft/terminal#17515).
- Built-in behind another terminal (mintty, OpenSSH): query replies leak
into the prompt, BEL opens the external editor (#10256, #10362, #10742).
- Old bundled (WezTerm 20240203): reply fragments in the prompt (#10717,
#10970).
- Built-in, classic console: reported regular-mode redraw issue (#6300).
- Notes that the fixes exist upstream and reach the built-in conhost
with a future Windows update, timing unknown.
Sources: VS Code defaults `terminal.integrated.windowsUseConptyDll` to
`true` (bundled conpty v1.25). Alacritty loads `conpty.dll` only if
present (`alacritty_terminal/src/tty/windows/conpty.rs`) and its
installer ships only `alacritty.exe`.
The crash was verified locally in the classic console window on conhost
10.0.26100.9807: fullscreen -> regular crashed 3/3 runs and `Ctrl+G`
from fullscreen crashed 2/2 runs (`0xC0000005`).
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