Files
graphql-monitoring-proxy/cache
lukaszraczylo 56eb0af213 fix: recover introspection block across named fragment spreads; dedup cache hash; fix cache Set counter race
- graphql.go: parseGraphQLQuery now indexes top-level FragmentDefinition nodes
  and checkSelections resolves FragmentSpread by name, closing an
  introspection-blocking bypass (`{ ...F }` where F spreads __schema was
  allowed because the spread carried no selection set and definitions loop
  skipped fragments).
- proxy.go/server.go: handleCaching stores the computed cache hash on the
  request context; performProxyRequest reuses it instead of recomputing a
  full MD5 of the request body per proxied request (fallback preserved for
  direct callers).
- cache/memory: Set serializes the exists-check + counter update + store
  with the embedded mutex so concurrent Sets of the same new key can't
  double-increment entryCount/memoryUsage; regression test added.

Verification: go build, go vet, gofmt clean; full go test ./... and
go test -race ./... green (9 packages); golangci-lint 0 issues; trufflehog clean.
2026-08-13 09:07:52 +01:00
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