ActiveWiki is a retrieval-augmented controller for POMDP cognitive benchmarks. It records solved trajectories, clusters topology-aware cases, and injects nearest-case memory at runtime. On Dragon Labyrinth, Oracle-X1 wins 142/1000 games and Oracle-X2 ActiveWiki wins 138/1000, but their union reaches 215/1000 because ActiveWiki uniquely solves 73 games missed by the structured controller. The result supports a hybrid view: case memory complements explicit structure in hidden-state tasks.
