fix: improve mobile terminal alternate-screen detection and scrolling

- Revert touch-action: none on .xterm-viewport so xterm.js can fall back
  to its own viewport scrolling when the custom handler doesn't take over.
- Detect alternate screen via reference equality
  (term.buffer.active === term.buffer.alternate) instead of the
  string, which could report normal buffer incorrectly.
- Lower vertical-scroll activation threshold from 4px to 2px and only
  prevent default once a vertical gesture is recognized.
- In normal buffer use term.scrollLines() so xterm.js handles the buffer
  scroll consistently; in alternate screen continue sending SGR 1006
  mouse-wheel sequences to tmux/vim.

Quality gates: typecheck, lint clean, npm test -- --run 87 passed.
This commit is contained in:
Developer
2026-06-13 20:42:52 +00:00
parent c7ab2de25e
commit 2ece7074f6
18 changed files with 59 additions and 61 deletions
+2 -2
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@@ -4,10 +4,10 @@ dir: apps/web/src/components/features
index: apps/web/src/components/features/.pi-map.index.md
## role
Houses reusable React components that implement specific product features and business logic for the web application.
Contains reusable React components that implement specific user-facing features and functionality across the web application.
## files
## arch
Feature-based component organization with co-located UI pieces, likely composed of smaller design-system elements and connected to domain hooks/stores for stateful functionality.
Feature-based component organization with domain-specific UI building blocks following React composition patterns, likely co-located with related hooks, utilities, or sub-components for each feature area.
## tags
-
## symbols