Commit 86563a73: ✨ feat(crm): add customer card transactions history feature
Implements #5316 - Service Portal History displaying last 5 loyalty card transactions
**New feature library:**
- Created @isa/crm/feature/customer-card-transactions with CDK table component
- Shows transactions for first activated customer loyalty card
- Displays: Date, Transaction type (reason), Amount (EUR), Receipt number, Points
**Data layer:**
- Added CustomerCardTransactionsResource with reactive resource pattern
- Extended CrmSearchService with fetchLoyaltyBookings() method
- Uses LoyaltyCardService.LoyaltyCardListBookings() API endpoint
**UI/UX:**
- CDK table with ISA design system colors
- Header: 48px height, rounded corners (26px), neutral-400 background
- Visual indicators: Green up arrow (EARN), Red down arrow (BURN)
- German locale formatting (dd.MM.yyyy HH:mm.ss)
- Full-width table layout with proper spacing (24px between rows)
- Empty state when no transactions available
**Icons:**
- Added isaActionPolygonUp and isaActionPolygonDown to @isa/icons
**Integration:**
- Integrated into kundenkarte-main-view component
- Automatically loads transactions for first active card
Related work items: #5316
Add comprehensive Claude Code tooling:
- Agents: docs-researcher, docs-researcher-advanced for documentation research
- Commands: dev:add-e2e-attrs, docs:library, docs:refresh-reference, quality:bundle-analyze, quality:coverage
- Skills: 8 specialized skills including api-change-analyzer, architecture-enforcer, library-scaffolder, and more
Update documentation:
- Comprehensive CLAUDE.md overhaul with library reference system
- Update testing guidelines in docs/guidelines/testing.md
- Update READMEs for checkout, icons, scanner, and scroll-position libraries
Remove outdated checkout-completion-flow-documentation.md
Update .gitignore for Claude Code files
