Major restructure: Remove Confluence, add V2 data structure, organize for dev/prod

- Import real data from PDF (35 Bambu Lab filaments)
- Remove all Confluence integration and dependencies
- Implement new V2 data structure with proper inventory tracking
- Add backwards compatibility for existing data
- Create enhanced UI components (ColorSwatch, InventoryBadge, MaterialBadge)
- Add advanced filtering with quick filters and multi-criteria search
- Organize codebase for dev/prod environments
- Update Lambda functions to support both V1/V2 formats
- Add inventory summary dashboard
- Clean up project structure and documentation

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

lambda/auth/index.js

@@ -9,8 +9,9 @@ const ADMIN_PASSWORD_HASH = process.env.ADMIN_PASSWORD_HASH;
 const headers = {
   'Content-Type': 'application/json',
   'Access-Control-Allow-Origin': process.env.CORS_ORIGIN || '*',
-  'Access-Control-Allow-Headers': 'Content-Type,Authorization',
-  'Access-Control-Allow-Methods': 'POST,OPTIONS'
+  'Access-Control-Allow-Headers': 'Content-Type,Authorization,X-Amz-Date,X-Api-Key,X-Amz-Security-Token',
+  'Access-Control-Allow-Methods': 'POST,OPTIONS',
+  'Access-Control-Allow-Credentials': 'true'
 };
 
 // Helper function to create response