Conflict Detector

STATUS — v3.7.0-beta.2. L1+L2 functional; L3+L4 stubbed pending LLM-dispatch infrastructure in rc.1.

Five conflict types (per spec §21.1)

types[5]{type,definition,detection_layer,cost}:
  C1,File-level overlap,L1,free
  C2,Function/region overlap,L2,cheap (~10ms regex)
  C3,Schema/contract conflict,L2,cheap
  C4,Semantic intent conflict,L3,LLM (stubbed in beta.2)
  C5,Architectural conflict,L4,LLM-rare (stubbed in beta.2)

Layer dispatch (per spec §21.3)