* fix(tui): swallow degraded mouse-burst noise so a stalled loop can't lock the composer
When the Node event loop blocks during a heavy render/tool-call burst, stdin
stops being drained. Mode-1003 any-motion mouse reports pile up in the kernel
buffer, get partially read, and arrive as text with the `\x1b[<` prefix AND
coordinate digits chewed off across many partial reads. The existing fragment
recovery (SGR_MOUSE_FRAGMENT_RE) only handles clean `button;col;row[Mm]`
triples, so the degraded shards leak into the composer as typed text — the user
can no longer type or exit until the stall clears.
Captured leak (Windows Terminal, during tool calls):
M6M35;220;56M6M35;218;56M169;48M;157;47M;44M20;43M79;40M78;40M0M7M35;49;41M
48;41M;47;40M9;15;32M[I;31M5;211;26M35;211;25M7M;220;1MM0M09;25M24M23M3;22M
M18M99;26M32MM38M63;44M47MM1;51M M4M54M
Add two recovery layers in parseTextWithSgrMouseFragments / the text-token path:
- MOUSE_BURST_NOISE_RE: whole-text fast path. If a text token is drawn only
from the mouse-leak alphabet (`[ ] < ; I M m`, digits, spaces) AND carries
the structural signature of mouse coordinates (>=3 M/m terminators, a digit,
and a `;`), swallow it wholesale.
- MOUSE_BURST_RESIDUE_RE: swallows pure-noise residue in the gaps between and
after recovered fragments, so a partially-recovered burst doesn't trail a
chewed-up tail into the prompt.
All three constraints together preserve real prose: `Mmm MMM mmm yummy` has no
digit/`;`, `see 1;2;3M for details` has disqualifying letters, and
`1234;56;78M9;10;11M` has only two terminators — none are swallowed.
This is defense-in-depth: it stops the leak/lockout regardless of what blocks
the loop. The underlying event-loop stall during streaming is a separate,
still-open issue that needs live-turn instrumentation to root-cause.
* fix(tui): check mouse-burst noise before fragment recovery; drop test cast
Copilot review on #35512:
- MOUSE_BURST_NOISE_RE was only evaluated when parseTextWithSgrMouseFragments
returned null. A noise blob that contains any intact `<b;c;r M` fragment makes
fragment recovery return non-null, so the whole-text swallow never fired and
the code emitted a pile of recovered mouse events instead of dropping the blob
wholesale (contradicting the comment, and doing extra work mid-stall). Move the
noise check ahead of fragment recovery so pure-noise tokens are dropped early.
Add a regression test for a noise blob carrying intact fragments.
- Drop the unnecessary `(e as { isPasted?: boolean })` cast in the test;
discriminated-union narrowing on `e.kind === 'key'` exposes isPasted directly.
* Potential fix for pull request finding
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
* Potential fix for pull request finding
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
* Potential fix for pull request finding
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
* Potential fix for pull request finding
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
---------
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
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