Fix QueryContext selector to respect @include and @skip directives

[michaelstaib]

Fixes #9066

[github-actions]

Fusion Gateway Performance Results

Simple Composite Query

	Req/s	Err%
Constant (50 VUs)	2906.90	0.00%
Ramping (0-500-0 VUs)	3256.44	0.00%

Response Times & Query

	Min	Med	Avg	P90	P95	Max
Constant	0.77ms	15.09ms	16.98ms	31.39ms	36.81ms	172.81ms
Ramping	0.81ms	67.96ms	68.37ms	127.06ms	143.41ms	277.58ms

query TestQuery {
  topProducts(first: 5) {
    inStock
    name
    price
    shippingEstimate
    upc
    weight
    reviews {
      id
      body
      author {
        id
        username
        name
      }
    }
  }
}

---

Deep Recursion Query

	Req/s	Err%
Constant (50 VUs)	749.45	0.00%
Ramping (0-500-0 VUs)	812.71	0.00%

Response Times & Query

	Min	Med	Avg	P90	P95	Max
Constant	9.06ms	62.21ms	65.15ms	80.88ms	89.35ms	386.71ms
Ramping	1.84ms	253.10ms	264.08ms	532.61ms	571.72ms	728.03ms

query TestQuery {
  users {
    id
    username
    name
    reviews {
      id
      body
      product {
        inStock
        name
        price
        shippingEstimate
        upc
        weight
        reviews {
          id
          body
          author {
            id
            username
            name
            reviews {
              id
              body
              product {
                inStock
                name
                price
                shippingEstimate
                upc
                weight
              }
            }
          }
        }
      }
    }
  }
  topProducts(first: 5) {
    inStock
    name
    price
    shippingEstimate
    upc
    weight
    reviews {
      id
      body
      author {
        id
        username
        name
        reviews {
          id
          body
          product {
            inStock
            name
            price
            shippingEstimate
            upc
            weight
          }
        }
      }
    }
  }
}

---

Variable Batching Throughput

	Req/s	Err%
Constant (50 VUs)	23132.80	0.00%
Ramping (0-500-0 VUs)	18335.12	0.00%

Response Times & Query

	Min	Med	Avg	P90	P95	Max
Constant	0.10ms	1.75ms	2.11ms	3.99ms	4.90ms	53.28ms
Ramping	0.10ms	9.46ms	11.45ms	23.60ms	28.48ms	102.96ms

query TestQuery($upc: ID!, $price: Long!, $weight: Long!) {
  productByUpc(upc: $upc) {
    inStock
    shippingEstimate(weight: $weight, price: $price)
  }
}

Variables (5 sets batched per request)

[
  { "upc": "1", "price": 899, "weight": 100 },
  { "upc": "2", "price": 1299, "weight": 1000 },
  { "upc": "3", "price": 15, "weight": 20 },
  { "upc": "4", "price": 499, "weight": 100 },
  { "upc": "5", "price": 1299, "weight": 1000 }
]

---

Run 22141145738 • Commit f87f93e • Wed, 18 Feb 2026 13:36:23 GMT