master
PhysicsTools/TruthInfo: read subgraph hits through a layout-agnostic view
TruthInfo: pileup-aware truth graph during mixing
Walk the hit-index tree through GEN-only bridges, and never fall back quietly
TruthInfo: add author headers and prototype-status notice
TICLGeom: migrate HGCAL reco, validation and associators to ticlgeom::Tools
TruthInfo: fix GeomDet include for clang-tidy (CommonDetUnit -> CommonTopologies)
PhysicsTools/TruthInfo: build the pileup-aware truth at DIGI with event-content levels
SimDataFormats,PhysicsTools: encapsulate truth-graph data members
Truth graph: harden the review fixes against cycles and log volume
Carry the sub-event id onto GEN-only particles and vertices