gsxdsm 1a565a368b FN-6744: rescue WorkflowNodeEditor merge seam guard ...

Rescue the WorkflowNodeEditor quarantine by making duplicate merge seam detection reliable during initial canvas load.

- Derive fragment seam conflicts from the loaded workflow IR until React Flow nodes materialize.
- Treat IR merge nodes as merge seams so duplicate merge fragments are rejected consistently.
- Cover desktop and mobile duplicate merge fragment insertion paths and remove the test from quarantine.
- Document the FN-6744 rescue evidence and deletion-ratchet update.

Files changed:
 docs/testing.md                                    |  6 +++-
 .../app/components/WorkflowNodeEditor.tsx          | 11 +++++--
 .../__tests__/WorkflowNodeEditor.test.tsx          | 34 ++++++++++++++++------
 .../app/components/workflow-flow-mapping.ts        | 10 +++++++
 packages/dashboard/vitest.config.ts                |  8 +++--
 scripts/lib/test-quarantine.json                   |  5 ----
 6 files changed, 54 insertions(+), 20 deletions(-)

Fusion-Task-Id: FN-6744

Fusion-Task-Lineage: 0f5b167a-8efc-4458-ac9d-e719320b751f

2026-06-19 18:38:17 -07:00

3.5 KiB

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