feat(editor): support oxc.fmt.configPath configuration

[Sysix]

Now, the VSCode editor supports oxc.fmt.configPath to communicate with the server.
Other Editors could use it already, waited for the "watch" feature to implement it in VSCode :)

[Sysix]

• feat(editor): add off to oxc.lint.run configuration #14755
• refactor(language_server): move Diagnostics-map to WorkspaceWorker #14830
• feat(language_server): able to set off for run configuration #14746
• refactor(language_server): improve file watching for different tools #14645
• feat(editor): support oxc.fmt.configPath configuration #14639 👈 (View in Graphite)
• feat(language_server): watch for fmt.configPath file content change #14509
• test(language_server): add basic tests for WorkspaceWorker::did_change_configuration #14531
• main

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[Copilot]

Pull Request Overview

This PR adds support for the oxc.fmt.configPath configuration option, allowing users to specify a custom path to an oxfmt configuration file for formatting operations. When set to null, the formatter defaults to using .oxfmtrc.json at the workspace root.

Key changes:

• Added oxc.fmt.configPath configuration option to VS Code extension settings
• Implemented configuration handling in WorkspaceConfig class with getter/setter methods
• Added E2E test demonstrating formatting with a custom config file path

Reviewed Changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
editors/vscode/package.json	Adds oxc.fmt.configPath configuration schema with string or null type
editors/vscode/client/WorkspaceConfig.ts	Implements config path property, getter/setter methods, and language server serialization
editors/vscode/tests/WorkspaceConfig.spec.ts	Adds test coverage for the new config path property
editors/vscode/tests/e2e_server.spec.ts	Adds E2E test and teardown for formatting with custom config path
editors/vscode/README.md	Documents the new configuration option
editors/vscode/fixtures/formatting_with_config/formatting.ts	Test fixture file for formatting test
editors/vscode/fixtures/formatting_with_config/formatter.json	Test config file with semicolons setting

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[camc314]

Merge activity

• Oct 17, 11:00 AM UTC: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• Oct 17, 11:00 AM UTC: camc314 added this pull request to the Graphite merge queue.
• Oct 17, 11:09 AM UTC: Merged by the Graphite merge queue.