v0.9.0

Fixed

• (funnel) floor special_capacity to keep A_{α+1} non-empty (#52)

Other

• [breaking] hide probe_scale + primary_probe_limit from public Options (#59)
• (probe) unify elastic on shared TriangularProbe helper (#58)
• remove unnecessary Clone and Copy derives from various structs (#57)
• (funnel) extract ProbeSeq + drop resize_if_needed on extract_if drop (#56)
• trim data layout; compute probe budget on demand (#55)
• drop unused metadata + ineffective prefetches; bench tooling (#53)