[Fusion] Allow disabling schema validation during preprocessing

[glen-84]

Summary of the changes (Less than 80 chars)

• [Fusion] Allow disabling schema validation during preprocessing.

[github-actions]

🚀 Fusion Gateway Performance Results

Simple Composite Query

Constant Load (50 VUs)

Requests/sec	Error Rate
5887.39 req/s	0.00%

📊 Response Time Metrics

Min	Med	Max	Avg	P90	P95
0.77ms	7.05ms	161.12ms	8.34ms	12.73ms	18.59ms

Ramping Load (0→50→500→50 VUs)

Requests/sec	Error Rate
4573.68 req/s	0.00%

📊 Response Time Metrics

Min	Med	Max	Avg	P90	P95
0.85ms	38.19ms	240.73ms	48.64ms	109.96ms	127.14ms

Executed Query

fragment User on User {
  id
  username
  name
}

fragment Review on Review {
  id
  body
}

fragment Product on Product {
  inStock
  name
  price
  shippingEstimate
  upc
  weight
}

query TestQuery {
  topProducts(first: 5) {
    ...Product
    reviews {
      ...Review
      author {
        ...User
      }
    }
  }
}

Deep Recursion Query

Constant Load (50 VUs)

Requests/sec	Error Rate
271.14 req/s	0.00%

📊 Response Time Metrics

Min	Med	Max	Avg	P90	P95
12.99ms	173.35ms	607.83ms	178.84ms	224.56ms	246.16ms

Ramping Load (0→50→500→50 VUs)

Requests/sec	Error Rate
309.44 req/s	0.00%

📊 Response Time Metrics

Min	Med	Max	Avg	P90	P95
3.08ms	647.59ms	1717.12ms	683.60ms	1378.93ms	1467.91ms

Executed Query

fragment User on User {
  id
  username
  name
}

fragment Review on Review {
  id
  body
}

fragment Product on Product {
  inStock
  name
  price
  shippingEstimate
  upc
  weight
}

query TestQuery {
  users {
    ...User
    reviews {
      ...Review
      product {
        ...Product
        reviews {
          ...Review
          author {
            ...User
            reviews {
              ...Review
              product {
                ...Product
              }
            }
          }
        }
      }
    }
  }
  topProducts(first: 5) {
    ...Product
    reviews {
      ...Review
      author {
        ...User
        reviews {
          ...Review
          product {
            ...Product
          }
        }
      }
    }
  }
}

Variable Batching Throughput

Constant Load (50 VUs)

Requests/sec	Error Rate
23947.76 req/s	0.00%

📊 Response Time Metrics

Min	Med	Max	Avg	P90	P95
0.09ms	1.68ms	42.33ms	2.04ms	3.89ms	4.76ms

Ramping Load (0→50→500→50 VUs)

Requests/sec	Error Rate
18801.30 req/s	0.00%

📊 Response Time Metrics

Min	Med	Max	Avg	P90	P95
0.09ms	9.25ms	97.13ms	11.27ms	23.18ms	27.84ms

Executed Query

query TestQuery_8f7a46ce_2(
  $__fusion_1_upc: ID!
  $__fusion_2_price: Long!
  $__fusion_2_weight: Long!
) {
  productByUpc(upc: $__fusion_1_upc) {
    inStock
    shippingEstimate(weight: $__fusion_2_weight, price: $__fusion_2_price)
  }
}

Variables (5 sets batched in single request)

[
  { "__fusion_1_upc": "1", "__fusion_2_price": 899, "__fusion_2_weight": 100 },
  { "__fusion_1_upc": "2", "__fusion_2_price": 1299, "__fusion_2_weight": 1000 },
  { "__fusion_1_upc": "3", "__fusion_2_price": 15, "__fusion_2_weight": 20 },
  { "__fusion_1_upc": "4", "__fusion_2_price": 499, "__fusion_2_weight": 100 },
  { "__fusion_1_upc": "5", "__fusion_2_price": 1299, "__fusion_2_weight": 1000 }
]

No baseline data available for comparison.

---

Run 20960775599 • Commit 6ca25b3 • Tue, 13 Jan 2026 14:58:28 GMT

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 0.00%. Comparing base (66a540c) to head (370c6b4).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@     Coverage Diff      @@
##   main   #9042   +/-   ##
============================
============================

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