chore(deps): align vitest across the workspace + ignore migration-gated majors

.github/dependabot.yml

@@ -26,8 +26,10 @@ updates:
           - minor
           - patch
     ignore:
-      # React 19 requires Next.js 15 — a coordinated framework migration, not a
-      # drop-in bump. Revisit when the admin moves to Next 15.
+      # Next.js + React move together: Next 15+ requires React 19, so the admin
+      # can only cross either major as one deliberate, tested migration.
+      - dependency-name: "next"
+        update-types: ["version-update:semver-major"]
       - dependency-name: "react"
         update-types: ["version-update:semver-major"]
       - dependency-name: "react-dom"
@@ -43,10 +45,16 @@ updates:
         update-types: ["version-update:semver-major"]
       - dependency-name: "tailwind-merge"
         update-types: ["version-update:semver-major"]
-      # @vitest/coverage-v8 must match the vitest major (we pin vitest ^2), so it
-      # can only move as part of a deliberate vitest upgrade — never on its own.
+      # vitest and @vitest/coverage-v8 must move together and stay identical across
+      # every workspace package, so a vitest major is a single deliberate PR.
+      - dependency-name: "vitest"
+        update-types: ["version-update:semver-major"]
       - dependency-name: "@vitest/coverage-v8"
         update-types: ["version-update:semver-major"]
+      # n8n-workflow 2.x is a new n8n node-API major — the published
+      # n8n-nodes-multiwa package must be reconciled against it and re-published.
+      - dependency-name: "n8n-workflow"
+        update-types: ["version-update:semver-major"]
       # lucide-react 1.x renames/removes icons — needs an icon-usage reconciliation.
       - dependency-name: "lucide-react"
         update-types: ["version-update:semver-major"]

packages/sdk/package.json

@@ -42,7 +42,7 @@
   "devDependencies": {
     "tsup": "^8.0.2",
     "typescript": "^5.3.3",
-    "vitest": "^1.2.2"
+    "vitest": "^2.0.0"
   },
   "files": [
     "dist",