A CANONICAL ANSWER · FROM THE VINDEX KNOWLEDGE GRAPH
Weights serve as query index
No query index is stored beside the weights — the gate regions inside the banks are the index, walked in place under mmap so browsing a full container reads only gate bytes. WALK and DESCRIBE are the ABI's own browse surface. Honestly graded: it ships today as an analysis-only profile, and expert-region browse parity is still an open row on the Record.
OPEN · WALK/DESCRIBE parity — an open pre-freeze row