Create: legacy operations components link to Data Operations (§3.10)

[daniellicnerski1]

Wave 5 — 1.11.0 feature coverage.

Backlog pointer: QA-CHECKLIST.md §3.10 → core-components/data-operations-legacy-link.spec.ts

Scope

• Legacy JSON/Table/Text operations components are linked/redirected to Data Operations; legacy flows keep working.

Upstream: langflow-ai/langflow#14118 (link legacy operations to Data Operations).