feat: support JSON imports with raw query

[chenjiahan]

Summary

• add JSON rule to handle imports with raw query (e.g., "foo.json?raw")
• update asset plugin to process JSON files with raw query as asset/source
• add test cases for raw JSON imports

Related Links

• resolve [Bug]: Unable to import json files with ?raw suffix as raw strings #6426

Checklist

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

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[Copilot]

Pull Request Overview

This PR adds support for importing JSON files with the ?raw query parameter, allowing developers to load JSON content as raw text strings instead of parsed objects. This addresses issue #6426 by implementing a new rule in the asset plugin to handle these imports.

Key Changes:

• Added a JSON rule in the asset plugin to process ?raw query imports as asset/source type
• Added the JSON rule identifier to the CHAIN_ID constants
• Created comprehensive E2E tests to verify raw JSON imports work correctly

Reviewed Changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
packages/core/src/plugins/asset.ts	Implements JSON raw query handling logic with new rule and updated comment
packages/core/src/configChain.ts	Adds JSON constant to CHAIN_ID for rule identification
e2e/cases/assets/import-json-raw-query/*	Adds test files and assertions for raw JSON import functionality
packages/core/tests/snapshots/*	Updates snapshots to reflect new JSON rule in bundler configurations
packages/compat/webpack/tests/snapshots/*	Updates webpack compatibility snapshots with new JSON rule

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