Native Observability 1.0.2

This release introduces a major evolution of the Native Observability ecosystem,
bringing together database observability, cache observability, a fully refactored dashboard,
and a complete reporting system.

Key features:

## Database Observability
- Query-level analysis integrated into request lifecycle
- Database time vs request time correlation
- Detection of slow queries and query-heavy routes
- Aggregated metrics for database performance
- Dedicated insights to identify bottlenecks in persistence layer

## Cache Observability
- Runtime cache behavior analysis
- Cache hit/miss visibility across requests
- Cacheability and invalidation insights
- Detection of uncacheable responses and cache inefficiencies
- Integration of cache metrics into dashboard and reports

## Dashboard (Refactored)
- Complete refactor using Twig-driven components
- Modular JavaScript architecture
- Advanced chart rendering using Apache ECharts
- Aggregated metrics visualization (throughput, latency, error rate)
- Technical insights panels for routes, AJAX, cache and database
- Improved UX and separation between data and presentation layers

## Observability Report System (New)
- Interactive report builder with configurable scope
- Structured preview with scoring and narrative insights
- KPI summaries and technical evidence tables
- Advanced charts (time series, scatter, gauge, radar, pie)
- Technical appendices:
  - Route-level evidence
  - AJAX and external request analysis
  - Cache runtime insights
  - Database performance data

## Printable HTML Export
- Full report export as printable HTML document
- Deterministic layout optimized for browser print
- Accurate rendering of charts using native browser engine
- PDF generation via browser print dialog (no server-side PDF)

## General Improvements
- Improved integration between tracing, metrics, and visualization layers
- Enhanced correlation between requests, spans, cache, and database activity
- Extensive documentation updates across modules
- Improved inline code documentation
- Initial translation hardening (reduction of hardcoded strings)
- Cleanup of legacy and unused code paths

Notes:
- Server-side PDF generation has been removed in favor of browser-based printing
- This release focuses on stability, usability, and observability clarity

Native Observability continues to evolve as a fully Drupal-native observability platform,
providing deep runtime insights without external agents or vendor lock-in.