DBP-35: redirect comments page to discord community

[pan93412]

• feat(app-navbar): redirect "feedback" to our Discord community
• feat(not-found): implement 404 page

[linear]

DBP-35 Comments List Page

[vercel]

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Project	Deployment	Preview	Comments	Updated (UTC)
dbplay-app	Ready	Preview	Comment	Oct 22, 2025 9:44am

[Copilot]

Pull Request Overview

This PR redirects the comments/feedback page to a Discord community and implements a 404 error page. The changes replace the under-development comments feature with an external Discord link and add proper handling for non-existent routes.

• Removed the /comments page and updated navigation to redirect "意見分享" (feedback) to Discord
• Implemented a new 404 page with user-friendly messaging in Traditional Chinese
• Refactored navigation items to support both internal routes and external links

Reviewed Changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
components/not-found-layout/index.tsx	Main 404 page component with card layout and logo
components/not-found-layout/current-page.tsx	Client-side component to display current URL on 404 page
components/not-found-layout/current-page.lazy.tsx	Lazy-loaded wrapper to disable SSR for current page URL
components/app-navbar.tsx	Updated navigation to support external links and replaced "經驗分享" with Discord link
app/not-found.tsx	Root 404 page entry point
app/(app)/comments/page.tsx	Removed deprecated comments page

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[Copilot]

Pull Request Overview

Copilot reviewed 7 out of 8 changed files in this pull request and generated 2 comments.

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

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