chore: add github auth

Squashed commit of the following:

commit 213bc6730968015baca5ec91a03eda2a9076dca8
Author: Wojtek Majewski <wojciech.majewski@pm.me>
Date:   Sun May 4 17:02:44 2025 +0200

    refactor: unify flow run page components and update navigation paths

    - Merged dual-panel and single-page flow run components into a single, reusable structure
    - Updated routing logic to remove redundant redirects and streamline navigation
    - Changed links in runs list to point directly to individual run pages instead of dual-panel view
    - Simplified flow run provider to handle data fetching and routing consistently across pages
    - Minor code cleanup and formatting adjustments for clarity and maintainability

commit 0f3e38a
Author: Wojtek Majewski <wojciech.majewski@pm.me>
Date:   Sun May 4 16:57:36 2025 +0200

    feat: add GitHub OAuth provider setup instructions and implement GitHub sign-in button

    - Updated README to include steps for configuring GitHub OAuth in the local setup
    - Added a new GithubButton component for initiating GitHub OAuth sign-in
    - Integrated the GitHub sign-in button into sign-in and sign-up pages with UI enhancements
    - Implemented OAuth flow handling with redirection to GitHub and callback URL
    - Improved visual separation with "Or" divider in auth pages
    - Made minor formatting and structural adjustments for clarity and consistency

commit f5ab86d
Author: Wojtek Majewski <wojciech.majewski@pm.me>
Date:   Sun May 4 16:48:45 2025 +0200

    refactor: update saveWebsite to return website object and adjust return value

    - Changed saveWebsite call to destructure website from its result
    - Updated function to return website instead of websiteData

commit 07be951
Author: Wojtek Majewski <wojciech.majewski@pm.me>
Date:   Sun May 4 16:36:40 2025 +0200

    feat: add user_id to website data and database schema, update save logic, and enhance security
    policies

    - Introduced user_id field in website data input and database schema
    - Updated saveWebsite function to include user_id
    - Modified migration to add user_id column and related indexes
    - Created secure wrapper function for starting analyze_website flow with user context
    - Adjusted permissions and policies for row-level security and user access control
    - Updated dependencies and lockfile for new modules and internal packages

Author: jumski

examples/playground/README.md

@@ -81,15 +81,31 @@ If you wish to just develop locally and not deploy to Vercel, [follow the steps
 
    Both `NEXT_PUBLIC_SUPABASE_URL` and `NEXT_PUBLIC_SUPABASE_ANON_KEY` can be found in [your Supabase project's API settings](https://app.supabase.com/project/_/settings/api)
 
-5. You can now run the Next.js local development server:
+5. Set up GitHub OAuth provider:
+
+   - Go to [GitHub Developer Settings](https://github.com/settings/developers)
+   - Click "New OAuth App"
+   - Fill in the form:
+     - Application name: (Your app name)
+     - Homepage URL: `http://localhost:3000`
+     - Authorization callback URL: `http://localhost:3000/auth/callback`
+   - Click "Register application"
+   - Copy the Client ID
+   - Generate a new Client Secret and copy it
+   - In your Supabase dashboard, go to Authentication > Providers
+   - Find GitHub and enable it
+   - Enter your GitHub Client ID and Client Secret
+   - Save changes
+
+6. You can now run the Next.js local development server:
 
    ```bash
    npm run dev
    ```
 
    The starter kit should now be running on [localhost:3000](http://localhost:3000/).
 
-6. This template comes with the default shadcn/ui style initialized. If you instead want other ui.shadcn styles, delete `components.json` and [re-install shadcn/ui](https://ui.shadcn.com/docs/installation/next)
+7. This template comes with the default shadcn/ui style initialized. If you instead want other ui.shadcn styles, delete `components.json` and [re-install shadcn/ui](https://ui.shadcn.com/docs/installation/next)
 
 > Check out [the docs for Local Development](https://supabase.com/docs/guides/getting-started/local-development) to also run Supabase locally.
 

examples/playground/app/(auth-pages)/sign-in/page.tsx

@@ -2,6 +2,7 @@
 
 import { signInAction } from '@/app/actions';
 import { FormMessage, Message } from '@/components/form-message';
+import { GithubButton } from '@/components/github-button';
 import { SubmitButton } from '@/components/submit-button';
 import { Input } from '@/components/ui/input';
 import { Label } from '@/components/ui/label';
@@ -82,6 +83,12 @@ export default function Login({
         <SubmitButton pendingText="Signing In..." formAction={signInAction}>
           Sign in
         </SubmitButton>
+        <div className="relative flex py-4 items-center">
+          <div className="flex-grow border-t border-muted"></div>
+          <span className="flex-shrink mx-4 text-muted-foreground text-sm">Or</span>
+          <div className="flex-grow border-t border-muted"></div>
+        </div>
+        <GithubButton />
         <FormMessage message={message} />
       </div>
     </form>

examples/playground/app/(auth-pages)/sign-up/page.tsx

@@ -1,5 +1,6 @@
 import { signUpAction } from "@/app/actions";
 import { FormMessage, Message } from "@/components/form-message";
+import { GithubButton } from "@/components/github-button";
 import { SubmitButton } from "@/components/submit-button";
 import { Input } from "@/components/ui/input";
 import { Label } from "@/components/ui/label";
@@ -41,6 +42,12 @@ export default async function Signup(props: {
           <SubmitButton formAction={signUpAction} pendingText="Signing up...">
             Sign up
           </SubmitButton>
+          <div className="relative flex py-4 items-center">
+            <div className="flex-grow border-t border-muted"></div>
+            <span className="flex-shrink mx-4 text-muted-foreground text-sm">Or</span>
+            <div className="flex-grow border-t border-muted"></div>
+          </div>
+          <GithubButton />
           <FormMessage message={searchParams} />
         </div>
       </form>