- qdrant/main.py: search/file now accepts hnsw_ef, exact, indexed_only form fields
(was silently ignoring them, using server defaults only)
- qdrant/main.py: add GET /inspect endpoint — full diagnostic summary for all
collections: HNSW, optimizer, quantization, segment count, payload index coverage,
raw RAM estimate (vectors * dim * 4B * 1.5)
- gateway/main.py: vectors/search/file now forwards hnsw_ef, exact, indexed_only
- gateway/main.py: add GET /vectors/inspect proxy