LLVM 18 symcc-query-solver C++ rebuild: PASS LLVM 17 symcc-query-solver C++ rebuild: PASS LLVM 18 targeted query_solver_selective.py: 1 PASS / 306 discovered LLVM 17 targeted query_solver_selective.py: 1 PASS / 306 discovered LLVM 18 native provider schema test: 1 PASS / 306 discovered LLVM 17 native provider schema test: 1 PASS / 306 discovered ruff changed Python and delivery verifier: PASS py_compile changed Python and delivery verifier: PASS git diff --check: PASS runtime submodule git diff --check: PASS C++ graph resource review: PASS maximum assertions=65536 maximum variables=4096 maximum variables per assertion=256 maximum unique relation edges=262144 maximum relation pair observations=1048576 Authority review: PASS partial UNSAT/unknown/timeout/miss is non-authoritative partial solver construction/check/model exceptions become unknown + fallback every graph hit is SAT on the original complete solver QueryStore requires graph hit attribution to z3-selective-graph QueryStore cross-field validation remains mandatory