feat: support snapshotFormat option

[9aoy]

Summary

Support customize the snapshot format via snapshotFormat option.

import { defineConfig } from '@rstest/core';

export default defineConfig({
  snapshotFormat: {
    printBasicPrototype: true,
  },
});

Related Links

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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[Copilot]

Pull Request Overview

This PR adds support for customizing snapshot formatting through a new snapshotFormat configuration option. Users can now configure snapshot output formatting using options from the pretty-format library.

• Adds snapshotFormat configuration option to RstestConfig interface
• Integrates snapshotFormat into the worker runtime and snapshot generation pipeline
• Includes comprehensive documentation in both English and Chinese

Reviewed Changes

Copilot reviewed 16 out of 16 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
packages/core/src/types/config.ts	Adds SnapshotFormat type definition and snapshotFormat property to RstestConfig
packages/core/src/config.ts	Sets default empty object for snapshotFormat in createDefaultConfig
packages/core/src/types/worker.ts	Adds snapshotFormat to RuntimeConfig and WorkerState types
packages/core/src/pool/index.ts	Includes snapshotFormat in getRuntimeConfig function
packages/core/src/runtime/worker/index.ts	Passes snapshotFormat to worker snapshotOptions
website/docs/en/config/test/snapshotFormat.mdx	Adds English documentation for snapshotFormat option
website/docs/zh/config/test/snapshotFormat.mdx	Adds Chinese documentation for snapshotFormat option
website/docs/*/config/test/_meta.json	Updates navigation metadata to include snapshotFormat
website/theme/components/ConfigOverview.tsx	Adds snapshotFormat to configuration overview
e2e/snapshot/fixtures/*	Adds end-to-end tests for snapshotFormat functionality
packages/core/tests/**/*.snap	Updates test snapshots to include snapshotFormat in output

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