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GH#14041: tighten playwright-emulation.md (175→153 lines)#14062

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marcusquinn merged 1 commit intomainfrom
chore/GH-14041-tighten-playwright-emulation
Apr 1, 2026
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GH#14041: tighten playwright-emulation.md (175→153 lines)#14062
marcusquinn merged 1 commit intomainfrom
chore/GH-14041-tighten-playwright-emulation

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@alex-solovyev
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Summary

  • Tighten .agents/tools/browser/playwright-emulation.md from 175→153 lines (13% reduction)
  • Merge two Configuration code blocks into one
  • Consolidate touch gestures from Recipes into Emulation Options (where they belong as an option, not a recipe)
  • Remove redundant Multi-Device Parallel Testing recipe (duplicated the config pattern)
  • Compact device table by grouping by category instead of individual devices
  • Split monolithic Touch/Network/Dark Mode recipe into focused Network Throttling and Dark Mode Visual Regression recipes

Content Preservation

  • All task IDs preserved: t096, t097
  • All URLs preserved (Playwright docs, device registry, example.com, localhost)
  • All Related section links preserved (7 entries)
  • All permission values and locale/timezone pairs preserved
  • Integration section unchanged

Runtime Testing

  • Risk: Low (docs/agent prompts only)
  • Level: self-assessed
  • markdownlint: 0 errors

Closes #14041


aidevops.sh v3.5.454 plugin for OpenCode v1.3.7 with claude-opus-4-6 spent 2m and 6,333 tokens on this as a headless worker.

…blocks, consolidate touch into options, remove redundant multi-device recipe
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🔍 Code Quality Report

�[0;35m[MONITOR]�[0m Code Review Monitoring Report

SonarCloud: 0 bugs, 0 vulnerabilities, 1 code smells

Mon Mar 30 09:47:47 UTC 2026: Code review monitoring started
Mon Mar 30 09:47:48 UTC 2026: SonarCloud - Bugs: 0, Vulnerabilities: 0, Code Smells: 1

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  • CODE SMELLS: 1
  • VULNERABILITIES: 0

Generated on: Mon Mar 30 09:47:50 UTC 2026


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Code Review

This pull request updates the Playwright emulation documentation by restructuring device presets, simplifying configuration examples, and reorganizing recipes for better clarity. Review feedback identified a bug in the touch gesture code example where a new context was created but not utilized, and suggested reverting the multiplication symbol '×' to 'x' in viewport dimensions to ensure technical consistency and ease of use for copy-pasting.

Comment on lines +89 to +91
const ctx = await browser.newContext({ ...devices['iPhone 13'], hasTouch: true });
await page.tap('.button');
await page.touchscreen.tap(200, 300);
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high

The code example for touch gestures is misleading. It creates a new browser context ctx with touch enabled, but this context is never used. The subsequent calls use a pre-existing page object that may not have touch support, which would cause an error. The example should create a page from the touch-enabled context and use that for the touch-related calls to be correct and self-contained.

Suggested change
const ctx = await browser.newContext({ ...devices['iPhone 13'], hasTouch: true });
await page.tap('.button');
await page.touchscreen.tap(200, 300);
const page = await (await browser.newContext({ ...devices['iPhone 13'], hasTouch: true })).newPage();
await page.tap('.button');
await page.touchscreen.tap(200, 300);
References
  1. When documenting restrictions or technical choices, provide the technical reason behind them to improve understanding.

Comment on lines +35 to +40
| Category | Examples | Viewport | Scale | Mobile |
|----------|----------|----------|-------|--------|
| Desktop | Chrome, Firefox, Safari, Edge | 1280×720 | 1 | No |
| iPhone | 13/14/15, Pro Max | 390×844, 428–430×926–932 | 3 | Yes |
| iPad | gen7, Mini, Pro 11 | 810×1080, 768×1024, 834×1194 | 2 | Yes |
| Android | Pixel 5/7, Galaxy S8/S9+/Tab S4 | 360–412×740–915 | 2.25–4.5 | Yes |
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medium

The multiplication symbol × has been used for viewport dimensions in the table (and also in the "Responsive Breakpoint Testing" section). While this may be visually appealing, for technical documentation it is better to use the standard letter x. This ensures that users can easily copy and paste the dimensions without issues and maintains consistency with standard technical notation.

Suggested change
| Category | Examples | Viewport | Scale | Mobile |
|----------|----------|----------|-------|--------|
| Desktop | Chrome, Firefox, Safari, Edge | 1280×720 | 1 | No |
| iPhone | 13/14/15, Pro Max | 390×844, 428–430×926–932 | 3 | Yes |
| iPad | gen7, Mini, Pro 11 | 810×1080, 768×1024, 834×1194 | 2 | Yes |
| Android | Pixel 5/7, Galaxy S8/S9+/Tab S4 | 360–412×740–915 | 2.25–4.5 | Yes |
| Category | Examples | Viewport | Scale | Mobile |
|----------|----------|----------|-------|--------|
| Desktop | Chrome, Firefox, Safari, Edge | 1280x720 | 1 | No |
| iPhone | 13/14/15, Pro Max | 390x844, 428–430x926–932 | 3 | Yes |
| iPad | gen7, Mini, Pro 11 | 810x1080, 768x1024, 834x1194 | 2 | Yes |
| Android | Pixel 5/7, Galaxy S8/S9+/Tab S4 | 360–412x740–915 | 2.25–4.5 | Yes |
References
  1. When documenting restrictions or technical choices, provide the technical reason behind them to improve understanding.

@alex-solovyev
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Implementation Summary

What done:

  • Tightened .agents/tools/browser/playwright-emulation.md from 175→153 lines (13% reduction)
  • Merged two Configuration code blocks (test runner + library API) into one
  • Consolidated touch gestures from Recipes into Emulation Options section
  • Removed redundant Multi-Device Parallel Testing recipe (duplicated config pattern)
  • Compacted device table by grouping by category
  • Split monolithic Touch/Network/Dark Mode recipe into focused individual recipes

Testing Evidence:

  • Risk: Low (docs/agent prompts only)
  • Level: self-assessed
  • markdownlint: 0 errors
  • All task IDs preserved (t096, t097)
  • All URLs, code blocks, and Related links preserved

Key decisions:

  • Classified as instruction doc (not reference corpus) — tighten prose, not split into chapters
  • Touch gestures belong in Emulation Options (they're an option, not a recipe)
  • Multi-Device Parallel Testing was redundant with Configuration section

Files changed:

  • .agents/tools/browser/playwright-emulation.md (27 insertions, 49 deletions)

Blockers: None
Follow-up: None
Closes: #14041


aidevops.sh v3.5.454 plugin for OpenCode v1.3.7 with claude-opus-4-6 spent 7m and 9,449 tokens on this as a headless worker. Overall, 54m since this issue was created.

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simplification: tighten agent doc Playwright Device Emulation (.agents/tools/browser/playwright-emulation.md, 175 lines)

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