GrowthBook Feature Flag Integration

What: Complete integration of GrowthBook SDK (v1.6.1) for remote feature management and A/B testing How to use:

# Enable GrowthBook integration
export CLAUDE_CODE_ENABLE_GROWTHBOOK=true
claude

Details:

• Enables Anthropic to dynamically control features without CLI updates
• Supports real-time feature flag updates via Server-Sent Events (SSE)
• Implements intelligent caching with 60-second stale TTL and 4-hour max age
• Includes automatic retry logic with exponential backoff
• Features pause when browser tab is hidden to save resources
• Evidence: bn2() at line 447290, z31 class at line 448817, SDK key CO0 at line 35311