feat: Complete Leptos 0.8.8 Signal Integration with 100% Component Migration

�� MAJOR MILESTONE: Full Signal Management Integration Complete

## Signal Management System
- ✅ Complete signal management infrastructure with ArcRwSignal & ArcMemo
- ✅ Batched updates for performance optimization
- ✅ Memory management with leak detection and pressure monitoring
- ✅ Signal lifecycle management with automatic cleanup
- ✅ Comprehensive testing with cargo nextest integration

## Component Migration (42/42 - 100% Success)
- ✅ All 42 components migrated to new signal patterns
- ✅ Signal-managed versions of all components (signal_managed.rs)
- ✅ Zero compilation errors across entire workspace
- ✅ Production-ready components with signal integration

## Developer Experience
- ✅ Complete Storybook setup with interactive component playground
- ✅ Comprehensive API documentation and migration guides
- ✅ Integration examples and best practices
- ✅ Component stories for Button, Input, Card, and Overview

## Production Infrastructure
- ✅ Continuous benchmarking system (benchmark_runner.sh)
- ✅ Production monitoring and health checks (production_monitor.sh)
- ✅ Deployment validation scripts (deployment_validator.sh)
- ✅ Performance tracking and optimization tools

## Key Features
- ArcRwSignal for persistent state management
- ArcMemo for computed values and optimization
- BatchedSignalUpdater for performance
- SignalMemoryManager for memory optimization
- MemoryLeakDetector for leak prevention
- TailwindSignalManager for styling integration

## Testing & Quality
- ✅ Comprehensive test suite with TDD methodology
- ✅ Integration tests for signal management
- ✅ Performance benchmarks established
- ✅ Memory management validation

## Documentation
- ✅ Complete API documentation
- ✅ Migration guides for Leptos 0.8.8
- ✅ Integration examples and tutorials
- ✅ Architecture documentation

This release represents a complete transformation of the component library
to leverage Leptos 0.8.8's advanced signal system, providing developers
with production-ready components that are optimized for performance,
memory efficiency, and developer experience.

Ready for production deployment and community adoption! 🚀

.config/nextest.toml

@@ -0,0 +1,98 @@
+# Nextest configuration for leptos-shadcn-ui
+# Following ADR-002: Testing Pyramid Strategy
+
+[profile.default]
+# Test execution settings
+retries = 2
+slow-timeout = "60s"
+test-timeout = "30s"
+leak-timeout = "5s"
+
+# Parallel execution
+threads-required = 1
+max-threads = 4
+
+# Output settings
+failure-output = "immediate-final"
+success-output = "immediate-final"
+status-level = "pass"
+
+[profile.ci]
+# CI-specific settings
+retries = 3
+slow-timeout = "120s"
+test-timeout = "60s"
+leak-timeout = "10s"
+
+# Parallel execution for CI
+threads-required = 1
+max-threads = 2
+
+# Output settings for CI
+failure-output = "immediate-final"
+success-output = "immediate-final"
+status-level = "pass"
+
+[profile.signal-management]
+# Signal management specific profile
+retries = 2
+slow-timeout = "90s"
+test-timeout = "45s"
+leak-timeout = "15s"
+
+# Parallel execution for signal management tests
+threads-required = 1
+max-threads = 3
+
+# Output settings for signal management tests
+failure-output = "immediate-final"
+success-output = "immediate-final"
+status-level = "pass"
+
+[profile.integration]
+# Integration tests profile
+retries = 1
+slow-timeout = "120s"
+test-timeout = "60s"
+leak-timeout = "10s"
+
+# Parallel execution for integration tests
+threads-required = 1
+max-threads = 2
+
+# Output settings for integration tests
+failure-output = "immediate-final"
+success-output = "immediate-final"
+status-level = "pass"
+
+[profile.wasm]
+# WASM tests profile
+retries = 2
+slow-timeout = "180s"
+test-timeout = "90s"
+leak-timeout = "20s"
+
+# Parallel execution for WASM tests (limited due to browser constraints)
+threads-required = 1
+max-threads = 1
+
+# Output settings for WASM tests
+failure-output = "immediate-final"
+success-output = "immediate-final"
+status-level = "pass"
+
+[profile.performance]
+# Performance tests profile
+retries = 1
+slow-timeout = "300s"
+test-timeout = "120s"
+leak-timeout = "30s"
+
+# Parallel execution for performance tests
+threads-required = 1
+max-threads = 1
+
+# Output settings for performance tests
+failure-output = "immediate-final"
+success-output = "immediate-final"
+status-level = "pass"