Add opt-in HashPrune candidate merging with deterministic direction sketches, bounded per-point reservoirs, and optional final RobustPrune. Integrate its policy with disk builds and benchmark configuration.
Parent: #878.
Implementation: #1295.
Depends on the benchmark pipeline in #1294.
Add opt-in HashPrune candidate merging with deterministic direction sketches, bounded per-point reservoirs, and optional final RobustPrune. Integrate its policy with disk builds and benchmark configuration.
Parent: #878.
Implementation: #1295.
Depends on the benchmark pipeline in #1294.