Feature Request: Use VS Code Editor Theme for Copilot Chat Code Snippets

[aryego]

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Copilot Feature Area

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Description
Currently, code snippets in the Copilot Chat panel are rendered with Prism.js’s default theme, which does not match my active VS Code editor theme. This inconsistency makes it harder to read and breaks the visual coherence between the chat and the rest of my workflow.

Proposed Solution
Add a setting such as:

json
"github.copilot.chat.useEditorThemeForSnippets": true
When enabled, Copilot Chat WebView should:

Read the active workbench.colorTheme

Apply user customizations from editor.tokenColorCustomizations

Render all code blocks using the same syntax colors as the main editor

Benefits
Improved readability and context switching

Better accessibility for users relying on high-contrast or custom themes

Visual consistency across VS Code and Copilot Chat

Steps to Reproduce
Install Copilot extension in VS Code.

Switch to a non-default editor theme or add custom token color overrides.

Open Copilot Chat and observe that code snippets still use Prism.js default colors