GRAFO_D_V49_RUN

Base:
- SQLite canonical database only.
- DATABASE/GRAFO_D_DATABASE.sqlite remains the single source of truth.
- No secondary persistent database.

Inherited from V48:
- API ingest writes to SQLite.
- API sensor is backend-driven.
- New graph creates only graph/container.
- Empty graphs are visible.
- Empty graphs do not fabricate timeline events.
- Right-click graph name opens Add element.
- Manual element technical card writes through POST /api/events.
- Manual element appears in the element list and timeline.
- Owning graph is auto-selected after manual element creation.
- DATE field supports smart input:
  - YYYY
  - YYYY-MM
  - YYYY-MM-DD
  - DD/MM/YYYY
  - DD-MM-YYYY
  - YYYY/MM/DD
  - Month YYYY
  - DD Month YYYY
  - Spanish and English month names.
- Year-only dates are valid and placed at year level.

V49 stabilization:
- /api/health is schema-tolerant for api_registry.
- Creating manual graphs no longer fails due to optional API audit columns.
- Delete selected confirmation is in English.
- Delete selected routes through DELETE /api/graphs/<row_key>.
- Verified physical deletion from SQLite:
  - graphs
  - events
  - API traces
  - ingest logs
  - ui_state references
- Verified test graph deletion leaves no SQLite or HTML residue.

Validation:
- python compile check passed.
- SQLite PRAGMA integrity_check must return ok.