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[Bug]: T3 terminal is blurred/striped (grey bands, ragged right edge); same TUI is clean outside T3 #29050
Description
Before submitting
- I searched existing issues and did not find a duplicate of this terminal-blur / dirty-band report.
- Screenshot is redacted: no thread text, paths, or project names.
Area
apps/web (desktop terminal / chat TUI surface)
Description
Grok (and Pi) running inside T3 Code show a blurred / striped terminal. Full-width grey background bands overlay the transcript, the composer is a different grey, and leftover cells make a ragged staircase on the right while Waiting for response….
The same Grok/Pi TUIs do not look like this in a normal terminal. The blur and dirty bands only happen in T3’s terminal interface.
This session is Grok Build hosted in T3’s terminal UI (Shift+Tab:mode, Ctrl+c:cancel, Ctrl+x:shortcuts).
Screenshot (redacted)
Steps to reproduce
- Open T3 Code desktop (Nightly).
- Start a Grok thread in T3’s terminal UI (not an external Terminal.app / Ghostty window).
- Get a long reply in scrollback, then send another prompt.
- While the status is Waiting for response…, look at the transcript above the composer.
Expected behavior
T3’s terminal composites the TUI on a clean background, same as a normal terminal. No blur, no leftover grey bands.
Actual behavior
The T3 terminal looks blurred/striped: horizontal grey slabs through the pane, composer a different colour, staircase of un-erased cells on the right. Only in T3.
Impact
Major degradation of the T3 terminal UI (hard to read the thread).
Version or commit
t3 v0.1.7-nightly.20261031.4004
Environment
macOS, Apple Silicon, T3 Code (Nightly).desktop
Related
Mis-filed earlier on the Grok CLI board (host is T3, not the Grok binary): xai-org/plugin-marketplace#1826
Activity
fwends commentedon Nov 2, 2026
Ready for T3 triage. Reproduced only inside T3 Code's terminal UI (Nightly 0.1.7). Same Grok/Pi TUI is clean in a normal terminal. Redacted screenshot is in the issue body.
fwends commentedon Nov 2, 2026
Additional: cannot paste images into this T3 terminal
Same surface as the blur/stripes (this Grok/agent terminal inside T3), not T3’s main terminal.
Looks like this pane is a different terminal widget (no clipboard image / no PNG paste into the composer), not a Grok-binary limit. Adds to “this T3 terminal surface is broken vs a normal terminal.”