e463781077
- Implement full conversion pipeline from v1beta1 → v2beta1 - Ensure frontend–backend parity for all dashboard serialization paths - Add automatic data loss detection for conversions (panels, queries, annotations, links, variables) - Extract atomic conversion functions for v0 → v1beta1 → v2alpha1 → v2beta1 - Introduce conversion metrics and detailed logging for loss tracking - Normalize datasource resolution, defaults, and annotation processing - Improve panel layout serialization and y-coordinate normalization - Fix inconsistencies in nested panels and collapsed row behavior - Refine variable handling: - Filter refId from variable query specs - Default variable refresh to 'never' (matches frontend) - Fix constant and interval variable handling for missing queries - Unify schema defaults (enable, hide, iconColor, editable, liveNow) - Fix pluginId usage (UID vs type) and datasource references - Fix metrics.go bug swallowing errors (return nil → return err) - Add tests for version-specific conversion error handling - Add data loss detection tests using source/target version comparison - Clean up lint issues, legacy code, and redundant files - Update OpenAPI snapshots and migrated dashboards - Improve backend migrator to reuse datasource provider and match frontend logic Co-authored-by: Haris Rozajac <haris.rozajac12@gmail.com> Co-authored-by: Oscar Kilhed <oscar.kilhed@grafana.com> Co-authored-by: Stephanie Hingtgen <stephanie.hingtgen@grafana.com>