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更新日2026年3月20日 13:18

Visual Test - GPUI Terminal

インストール

Codex または Claude でインストールこの Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。

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zajca

zajca/zremote

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Headless Visual Test for GPUI Terminal

Automated visual regression testing for the GPUI terminal renderer. Builds the app, runs it headless with test patterns, captures a screenshot, and analyzes the rendering.

Prerequisites

Must be in the nix dev shell (nix develop) which provides cage and grim.

Steps

Build the app:
```
cargo build -p zremote-gui
```

Run headless screenshot capture with the terminal test patterns script:

./scripts/headless-screenshot.sh \
  "bash -c './scripts/terminal-test-patterns.sh; sleep 999'" \
  /tmp/zremote-visual-test.png \
  3

If the app needs a server connection, start the local agent first:

./scripts/headless-screenshot.sh \
  "./target/debug/zremote-gui --exit-after 8" \
  /tmp/zremote-visual-test.png \
  5

Read and analyze the screenshot: Use the Read tool on /tmp/zremote-visual-test.png to visually inspect the rendered terminal.
Check for rendering issues:
- ANSI colors render correctly (16 standard + bright colors visible and distinct)
- 256-color palette shows smooth gradients without banding
- True color (24-bit) gradients are smooth
- Text styles (bold, italic, underline, strikethrough) are visually distinct
- Unicode box drawing characters align properly (no gaps between segments)
- Monospace verification: all rows of different characters (M, i, W, 1, |) are the same width
- Block elements and braille characters render without missing glyphs
- Font rendering is clean (no artifacts, proper anti-aliasing)
- Cell spacing is uniform (no irregular gaps)
Report findings: List any rendering issues found with specific descriptions. If everything looks correct, confirm the visual test passes.

When to run

Run this after any changes to:

crates/zremote-gui/src/views/terminal_element.rs (rendering)
crates/zremote-gui/src/views/terminal_panel.rs (state/layout)
crates/zremote-gui/src/theme.rs (colors)
Font configuration or cell sizing logic

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name	visual-test
description	Visual Test - GPUI Terminal

Headless Visual Test for GPUI Terminal

Automated visual regression testing for the GPUI terminal renderer. Builds the app, runs it headless with test patterns, captures a screenshot, and analyzes the rendering.

Prerequisites

Must be in the nix dev shell (nix develop) which provides cage and grim.

Steps

Build the app:
```
cargo build -p zremote-gui
```

Run headless screenshot capture with the terminal test patterns script:

./scripts/headless-screenshot.sh \
  "bash -c './scripts/terminal-test-patterns.sh; sleep 999'" \
  /tmp/zremote-visual-test.png \
  3

If the app needs a server connection, start the local agent first:

./scripts/headless-screenshot.sh \
  "./target/debug/zremote-gui --exit-after 8" \
  /tmp/zremote-visual-test.png \
  5

Read and analyze the screenshot: Use the Read tool on /tmp/zremote-visual-test.png to visually inspect the rendered terminal.
Check for rendering issues:
- ANSI colors render correctly (16 standard + bright colors visible and distinct)
- 256-color palette shows smooth gradients without banding
- True color (24-bit) gradients are smooth
- Text styles (bold, italic, underline, strikethrough) are visually distinct
- Unicode box drawing characters align properly (no gaps between segments)
- Monospace verification: all rows of different characters (M, i, W, 1, |) are the same width
- Block elements and braille characters render without missing glyphs
- Font rendering is clean (no artifacts, proper anti-aliasing)
- Cell spacing is uniform (no irregular gaps)
Report findings: List any rendering issues found with specific descriptions. If everything looks correct, confirm the visual test passes.

When to run

Run this after any changes to:

crates/zremote-gui/src/views/terminal_element.rs (rendering)
crates/zremote-gui/src/views/terminal_panel.rs (state/layout)
crates/zremote-gui/src/theme.rs (colors)
Font configuration or cell sizing logic