Cookie Policy

1 What Are Cookies?

Cookies are small text files placed on your device when you visit a website. They are widely used to make websites work efficiently and provide information to website owners.

DualMind Arena uses cookies and similar tracking technologies to enhance your experience, maintain your login session, and analyze how our Service is used.

2 Types of Cookies We Use

2.1 Essential Cookies

These cookies are necessary for the Service to function properly:

• Authentication Cookies: Maintain your login session (Supabase auth tokens)
• Security Cookies: Protect against fraudulent activity and ensure secure connections
• Session Cookies: Remember your current session state

These cookies cannot be disabled as they are essential for the Service to work.

2.2 Preference Cookies

These cookies remember your choices and settings:

• Model Selections: Remember your preferred AI models
• UI Preferences: Sidebar state, theme preferences
• Language Settings: Your preferred language

2.3 Analytics Cookies

These cookies help us understand how users interact with the Service:

• Usage Analytics: Track page views, feature usage, and user flows
• Performance Metrics: Monitor load times and error rates
• A/B Testing: Test new features and improvements

3 Local Storage and Session Storage

3.1 Local Storage

We store the following in your browser's local storage:

• Authentication Tokens: Supabase session tokens (sb-*-auth-token)
• User Preferences: Model selections, UI settings
• Chat History Cache: Recent conversations for quick access
• Draft Messages: Unsent prompts to prevent data loss

3.2 Session Storage

Temporary data cleared when you close your browser:

• Current session state
• Temporary UI state
• In-progress operations

4 Third-Party Cookies

4.1 Supabase (Authentication)

Supabase sets cookies for authentication and session management. See Supabase Privacy Policy for details.

4.2 CDN Services

Content delivery networks may set cookies for performance optimization:

• Google Fonts
• Cloudflare (CDN delivery)
• CDN for JavaScript libraries (remixicon, marked, DOMPurify)

5 Cookie Duration

Cookies have different lifespans:

• Session Cookies: Deleted when you close your browser
• Persistent Cookies: Remain until expiration date or manual deletion
• Authentication Tokens: Typically expire after 7–30 days
• Preference Cookies: Stored indefinitely until cleared

6 Managing Cookies

6.1 Browser Settings

Control cookies through your browser settings:

• Chrome: Settings → Privacy and security → Cookies and other site data
• Firefox: Options → Privacy & Security → Cookies and Site Data
• Safari: Preferences → Privacy → Manage Website Data
• Edge: Settings → Cookies and site permissions

6.2 Clear Cookies

To clear cookies from DualMind Arena:

1. Open your browser's developer tools (F12)
2. Go to the Application/Storage tab
3. Select "Cookies" and delete arena.dualmindlab.tech entries
4. Clear Local Storage and Session Storage as well

Note: Clearing cookies will log you out and reset your preferences.

6.3 Do Not Track

Some browsers support "Do Not Track" (DNT) signals. While we respect your privacy choices, we currently do not respond to DNT signals as there is no industry standard for interpreting them.

7 Cookie Consent

By using DualMind Arena, you consent to our use of cookies as described in this policy. Essential cookies are automatically enabled. Optional cookies may require explicit consent depending on your jurisdiction.

If you are in the European Union or other regions with strict cookie laws, we will request your consent before setting non-essential cookies.

8 Impact of Disabling Cookies

If you disable cookies, some features may not work properly:

• Login Issues: You may not be able to stay logged in
• Lost Preferences: Model selections and settings won't be saved
• Degraded Experience: Some features may not function correctly
• Repeated Prompts: You may see the same notifications multiple times

9 Updates to This Policy

We may update this Cookie Policy to reflect changes in our practices or legal requirements. We will notify you of significant changes via:

• Email notification
• In-app banner
• Updated "Last Updated" date at the top of this page

Your continued use of the Service after changes constitutes acceptance of the updated policy.

10 Contact Us

Questions about our use of cookies or this Cookie Policy:

Privacy: privacy@dualmindlab.tech
Support: support@dualmindlab.tech
Website: arena.dualmindlab.tech