task.md

Adding Default Test User Session

Analysis

• Review UserSession implementation
• Review auth middleware
• Understand current auth flow

Implementation

• Add default test user ("alice") to auth middleware
• Make auth optional for testing (fallback to default user)
• Add logging to show which user is being used
• Build successful

Verification

• Test cart operations without authentication headers
• Verify default user is used
• Test with explicit user ID to ensure override works