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🎨 Palette: Improve canvas accessibility and button attributes - #2

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palette-ux-canvas-a11y-buttons-10199735233206337114
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🎨 Palette: Improve canvas accessibility and button attributes#2
AlejandroAkbal wants to merge 1 commit into
mainfrom
palette-ux-canvas-a11y-buttons-10199735233206337114

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@AlejandroAkbal

@AlejandroAkbal AlejandroAkbal commented Jun 19, 2026

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💡 What: Replaced invalid alt attributes on <canvas> elements with aria-label and inner fallback text. Added type="button" to secondary and icon-only buttons.
🎯 Why: alt attributes are not valid on canvas elements, leading to screen reader gaps and Svelte accessibility warnings. Setting type="button" explicitly prevents unintended form submissions or layout shifts from unexpected button click events.
♿ Accessibility: Ensures screen readers can accurately interpret the instructional canvas previews and guarantees keyboard interaction safety for copy/share buttons.


PR created automatically by Jules for task 10199735233206337114 started by @AlejandroAkbal

Summary by CodeRabbit

  • Bug Fixes
    • Fixed button functionality to prevent accidental form submissions when interacting with non-submit buttons across the application.
  • Accessibility
    • Enhanced compatibility with assistive technologies by implementing improved fallback text and alternative text support for interactive elements throughout the platform, ensuring better experience for users relying on screen readers and other accessibility tools.

💡 What: Replaced invalid `alt` attributes on `<canvas>` elements with `aria-label` and inner fallback text. Added `type="button"` to secondary and icon-only buttons.
🎯 Why: `alt` attributes are not valid on canvas elements, leading to screen reader gaps and Svelte accessibility warnings. Setting `type="button"` explicitly prevents unintended form submissions or layout shifts from unexpected button click events.
♿ Accessibility: Ensures screen readers can accurately interpret the instructional canvas previews and guarantees keyboard interaction safety for copy/share buttons.
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coderabbitai Bot commented Jun 19, 2026

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Review Change Stack

📝 Walkthrough

Walkthrough

Two Svelte route pages ([domain]/+page.svelte and embed/+page.svelte) replace self-closing <canvas> tags with open/close elements that carry an aria-label and inner fallback text, removing the invalid alt attribute. Several non-submit buttons gain explicit type="button". The .Jules/palette.md file documents these patterns in a new dated entry.

Changes

Canvas and Button Accessibility Fixes

Layer / File(s) Summary
Canvas aria-label and button type fixes
src/routes/(app)/from/[domain]/+page.svelte, src/routes/(app)/from/[domain]/embed/+page.svelte
<canvas> elements are converted from self-closing to open/close form, gaining an aria-label bound to the domain and inner fallback text; the invalid alt attribute is removed. The "Only see …" toggle, "Copy URL", and "Share" buttons each gain type='button'.
Jules palette documentation
.Jules/palette.md
A new dated entry documents the aria-label-on-canvas pattern, the type="button" convention for non-submit buttons, and the note to avoid running pnpm format broadly.
🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title clearly summarizes the main changes: canvas accessibility improvements and button attribute enhancements across multiple files.
Docstring Coverage ✅ Passed No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check ✅ Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check ✅ Passed Check skipped because no linked issues were found for this pull request.

✏️ Tip: You can configure your own custom pre-merge checks in the settings.

✨ Finishing Touches
🧪 Generate unit tests (beta)
  • Create PR with unit tests
  • Commit unit tests in branch palette-ux-canvas-a11y-buttons-10199735233206337114
✨ Simplify code
  • Create PR with simplified code
  • Commit simplified code in branch palette-ux-canvas-a11y-buttons-10199735233206337114

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Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In @.Jules/palette.md:
- Line 1: The heading "2025-02-15 - Improve Canvas Accessibility and Non-Submit
Button Behavior" uses level-2 syntax (##) on the first line, which violates the
markdownlint MD041 rule requiring the first heading to be level-1. Either change
the ## to # to make it a top-level heading, or if you need to keep it as a
level-2 heading, add a blank line before it to satisfy the heading-spacing
requirements in markdownlint defaults.
🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

  • Push a commit to this branch (recommended)
  • Create a new PR with the fixes

ℹ️ Review info
⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro

Run ID: 4ea9fab1-cbb4-4994-a3d5-07aac3bcd8f2

📥 Commits

Reviewing files that changed from the base of the PR and between 664f6dd and f39f4b9.

📒 Files selected for processing (3)
  • .Jules/palette.md
  • src/routes/(app)/from/[domain]/+page.svelte
  • src/routes/(app)/from/[domain]/embed/+page.svelte
📜 Review details
🧰 Additional context used
🪛 markdownlint-cli2 (0.22.1)
.Jules/palette.md

[warning] 1-1: Headings should be surrounded by blank lines
Expected: 1; Actual: 0; Below

(MD022, blanks-around-headings)


[warning] 1-1: First line in a file should be a top-level heading

(MD041, first-line-heading, first-line-h1)

🔇 Additional comments (2)
src/routes/(app)/from/[domain]/+page.svelte (1)

148-156: LGTM!

Also applies to: 210-210, 248-248, 276-276

src/routes/(app)/from/[domain]/embed/+page.svelte (1)

138-146: LGTM!

Also applies to: 179-179

Comment thread .Jules/palette.md
@@ -0,0 +1,3 @@
## 2025-02-15 - Improve Canvas Accessibility and Non-Submit Button Behavior

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⚠️ Potential issue | 🟡 Minor | ⚡ Quick win

Align heading level/spacing with markdownlint defaults.

Line 1 uses ## as the first line, which triggers MD041 (and contributes to heading-spacing warnings). Use a top-level heading or add the expected surrounding blank-line structure to keep docs lint-clean.

🧰 Tools
🪛 markdownlint-cli2 (0.22.1)

[warning] 1-1: Headings should be surrounded by blank lines
Expected: 1; Actual: 0; Below

(MD022, blanks-around-headings)


[warning] 1-1: First line in a file should be a top-level heading

(MD041, first-line-heading, first-line-h1)

🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

In @.Jules/palette.md at line 1, The heading "2025-02-15 - Improve Canvas
Accessibility and Non-Submit Button Behavior" uses level-2 syntax (##) on the
first line, which violates the markdownlint MD041 rule requiring the first
heading to be level-1. Either change the ## to # to make it a top-level heading,
or if you need to keep it as a level-2 heading, add a blank line before it to
satisfy the heading-spacing requirements in markdownlint defaults.

Source: Linters/SAST tools

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