GH-5809 Circuit breakers against OOM#5729
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# Conflicts: # tools/server-spring/src/main/java/org/eclipse/rdf4j/http/server/repository/GraphQueryResultView.java # tools/server-spring/src/main/java/org/eclipse/rdf4j/http/server/repository/TupleQueryResultView.java # tools/workbench/src/test/java/org/eclipse/rdf4j/workbench/util/QueryEvaluatorTest.java
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GitHub issue resolved: #5809
Briefly describe the changes proposed in this PR:
Adds query circuit breakers to protect RDF4J query execution from unsafe JVM memory pressure. The change introduces query pressure monitoring, breaker handles, server/workbench status visibility, and tests for breaker lifecycle, logging, pressure transitions, and request handling.
PR Author Checklist (see the contributor guidelines for more details):