added clerk auth

[Srijan76-code]

Summary by CodeRabbit

• New Features
  • Introduced app-wide authentication using Clerk.
  • Added dedicated Sign In and Sign Up pages with Clerk’s UI.
  • Enabled automatic protection of non-public routes; unauthenticated users are redirected to sign in.
• Chores
  • Added Clerk dependency to the project.

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

Integrated Clerk authentication by wrapping the app with ClerkProvider, adding sign-in and sign-up routes, configuring middleware to protect non-public routes, and adding the @clerk/nextjs dependency.

Changes

Cohort / File(s)	Summary
Auth provider integration app/layout.js, middleware.js	Wrapped RootLayout with ClerkProvider. Added Clerk middleware with public route matcher for /sign-in* and /sign-up*, protecting all other routes; exported config.matcher for routing.
Auth pages app/sign-in/[[...sign-in]]/page.jsx, app/sign-up/[[...sign-up]]/page.jsx	Added pages rendering Clerk <SignIn /> and <SignUp /> components with default-exported Page functions.
Dependencies package.json	Added dependency @clerk/nextjs@^6.33.2.

Sequence Diagram(s)

sequenceDiagram
  autonumber
  actor U as User
  participant B as Browser
  participant M as Next.js Middleware (Clerk)
  participant A as Next.js App Router
  participant C as Clerk Service

  U->>B: Navigate to route
  B->>M: Request
  alt Public route (/sign-in*, /sign-up*)
    M-->>B: Allow
    B->>A: Render SignIn/SignUp page
    A->>C: Load Clerk UI assets/context
    C-->>A: UI ready
    A-->>B: Page HTML
  else Protected route
    M->>C: Check session
    alt Authenticated
      M-->>B: Allow
      B->>A: Render protected page
      A-->>B: Page HTML
    else Unauthenticated
      M-->>B: Redirect to /sign-in
    end
  end

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Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Poem

I thump my paws—access aligned,
Keys from Clerk now neatly signed.
Doors swing wide for sign-up cheer,
Guards stand firm when secrets near.
Hop, hop, hop—routes safe and bright,
Carrots secured, I sleep tonight. 🥕✨

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch srijan_Clerk

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📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 82ce77c and f9b42b9.

⛔ Files ignored due to path filters (1)

• package-lock.json is excluded by !**/package-lock.json

📒 Files selected for processing (5)

• app/layout.js (2 hunks)
• app/sign-in/[[...sign-in]]/page.jsx (1 hunks)
• app/sign-up/[[...sign-up]]/page.jsx (1 hunks)
• middleware.js (1 hunks)
• package.json (1 hunks)

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