A/B: Consolidation — 8-Stage Pipeline with Conflict Detection

Same knowledge graph, before and after running the 8-stage consolidation pipeline: A shows raw graph statistics before consolidation; B shows the graph after decay, pruning, co-activation strengthening, conflict-aware contradiction detection (Stage 4.5), similarity merging, and abstraction generation. v0.3 adds automatic :contradicts edge creation, newer-wins heuristic, and merge-skips-contradiction-pairs.