chore(web): add packages to optimizePackageImports

[cxhello]

Summary

Add @remixicon/react, @lexical/react, and lexical to optimizePackageImports in next.config.js to optimize barrel imports and reduce bundle size.

Changes

• Added @remixicon/react to optimizePackageImports
• Added @lexical/react to optimizePackageImports
• Added lexical to optimizePackageImports

Bundle Size Comparison

Metric	Before	After	Diff
First Load JS (shared)	114 kB	114 kB	0
/account	692 kB	691 kB	-1 kB
/activate	367 kB	366 kB	-1 kB
/datasets/connect	539 kB	538 kB	-1 kB

The optimization effect is minimal because the project likely already has good import practices. However, this change follows Next.js best practices and may provide more significant benefits as the project grows.

Screenshots

N/A - Configuration change only

References

• Next.js optimizePackageImports API Reference
• How we optimized package imports in Next.js - Vercel Blog

Checklist

• This change requires a documentation update, included: Dify Document
• I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
• I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
• I've updated the documentation accordingly.
• I ran cd web && npx lint-staged (frontend) to appease the lint gods

Fixes #31246

[gemini-code-assist]

Summary of Changes

Hello @cxhello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances the Next.js application's build process by configuring optimizePackageImports for several key packages, including UI icons and a rich-text editor library. The primary goal is to improve performance through more efficient module loading and adherence to Next.js best practices, even if the initial impact on bundle size is modest. This proactive optimization sets the stage for better scalability and maintainability.

Highlights

• Next.js Configuration Update: Added @remixicon/react, @lexical/react, and lexical to the optimizePackageImports array within the experimental section of next.config.js.
• Bundle Size Optimization: This change aims to optimize barrel imports for the specified packages, potentially reducing the overall bundle size and improving application performance, aligning with Next.js best practices.
• Minimal Immediate Impact: While the immediate bundle size reduction is noted as minimal (around 1 kB for some routes), the change establishes a foundation for better optimization as the project scales.

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[gemini-code-assist]

Code Review

This pull request adds @remixicon/react, @lexical/react, and lexical to the optimizePackageImports configuration in next.config.js. This is a good practice for optimizing barrel imports and potentially reducing the application's bundle size, as recommended by Next.js. The change is correct and beneficial. I've added one suggestion to sort the list of packages alphabetically to improve code maintainability.

[gemini-code-assist]

For better readability and easier maintenance, it's a good practice to keep lists like this sorted alphabetically. This helps in quickly finding an entry and prevents duplicates when the list grows.

Suggested change

	'@heroicons/react',
	'@remixicon/react',
	'@lexical/react',
	'lexical',
	'@heroicons/react',
	'@lexical/react',
	'@remixicon/react',
	'lexical',

[hyoban]

Thank you for your attention, but these packages can't be optimized like that. For example, @remixicon/react doesn't have barrel files. This issue is invalid.

https://www.npmjs.com/package/@remixicon/react?activeTab=code

Let me know if I'm wrong.

[hyoban]

In fact, @heroicons/react is included in the default configuration, and we can remove this configuration.

https://nextjs.org/docs/app/api-reference/config/next-config-js/optimizePackageImports#:~:text=%40heroicons/react/20,react/24/outline

#31255