[html/css/json] update services

[aeschli]

No description provided.

[Copilot]

Pull request overview

This PR updates the language service dependencies for HTML, CSS, and JSON language features extensions. The updates include newer versions of vscode-languageserver, vscode-languageclient, and various language service packages, along with API improvements to add proper type annotations.

Changes:

• Updated vscode-languageserver from 10.0.0-next.15 to 10.0.0-next.16 across all language server packages
• Updated vscode-languageclient to 10.0.0-next.20 for JSON and CSS extensions (but incorrectly to 10.0.0-next.10 for HTML)
• Updated language service packages (vscode-json-languageservice, vscode-html-languageservice, vscode-css-languageservice) to latest versions
• Added proper type annotations for TextDocumentContentRequest handler in htmlServer.ts
• Changed AutoInsertRequest return type to allow null values

Reviewed changes

Copilot reviewed 9 out of 15 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
extensions/json-language-features/server/package.json	Updated vscode-json-languageservice to 5.7.2 and vscode-languageserver to 10.0.0-next.16
extensions/json-language-features/server/package-lock.json	Regenerated lock file with updated dependencies including vscode-jsonrpc 9.0.0-next.11
extensions/json-language-features/package.json	Updated vscode-languageclient to 10.0.0-next.20
extensions/json-language-features/package-lock.json	Regenerated with updated vscode-languageclient and transitive dependencies
extensions/html-language-features/server/src/htmlServer.ts	Added type annotations (TextDocumentContentParams, CancellationToken, TextDocumentContentResult) and changed return value from null to { text: '' }
extensions/html-language-features/server/package.json	Updated vscode-css-languageservice to 6.3.10, vscode-html-languageservice to 5.6.2, and vscode-languageserver to 10.0.0-next.16
extensions/html-language-features/server/package-lock.json	Regenerated lock file with updated dependencies
extensions/html-language-features/package.json	CRITICAL ISSUE: Updated vscode-languageclient to 10.0.0-next.10 (should be 10.0.0-next.20)
extensions/html-language-features/package-lock.json	Package lock file out of sync with package.json
extensions/html-language-features/client/src/htmlClient.ts	Updated AutoInsertRequest return type to allow null
extensions/html-language-features/client/src/autoInsertion.ts	Updated provider function type to return string or null
extensions/css-language-features/server/package.json	Updated vscode-css-languageservice to 6.3.10 and vscode-languageserver to 10.0.0-next.16
extensions/css-language-features/server/package-lock.json	Regenerated lock file with updated dependencies
extensions/css-language-features/package.json	Updated vscode-languageclient to 10.0.0-next.20
extensions/css-language-features/package-lock.json	Regenerated with updated vscode-languageclient and transitive dependencies

Files not reviewed (6)

• extensions/css-language-features/package-lock.json: Language not supported
• extensions/css-language-features/server/package-lock.json: Language not supported
• extensions/html-language-features/package-lock.json: Language not supported
• extensions/html-language-features/server/package-lock.json: Language not supported
• extensions/json-language-features/package-lock.json: Language not supported
• extensions/json-language-features/server/package-lock.json: Language not supported

[Copilot]

The vscode-languageclient version is inconsistent with the other language features. The JSON and CSS language features are being updated to version 10.0.0-next.20, but this is being updated to 10.0.0-next.10 which is actually a downgrade from the current version (10.0.0-next.18 shown in package-lock.json). This should be changed to 10.0.0-next.20 to match the other extensions and ensure consistency across all language features.

Suggested change

	"vscode-languageclient": "^10.0.0-next.10",
	"vscode-languageclient": "^10.0.0-next.20",

[Copilot]

The package-lock.json needs to be regenerated after updating vscode-languageclient to version 10.0.0-next.20 in package.json. The lock file currently shows version 10.0.0-next.18 which doesn't match the requested version 10.0.0-next.10 in package.json, indicating this file is out of sync.

Suggested change

	"vscode-languageclient": "^10.0.0-next.10",
	"vscode-languageclient": "^10.0.0-next.20",