=== zed-0001: lsp_store LSP edit dedup Vec::contains O(E²) ===
N=100   k=100  : defective=0.239ms  fixed=0.007ms  speedup=36.1x
N=500   k=500  : defective=3.095ms  fixed=0.022ms  speedup=142.4x
N=1000  k=1000 : defective=15.365ms  fixed=0.096ms  speedup=160.2x
N=2000  k=2000 : defective=56.229ms  fixed=0.206ms  speedup=272.4x

=== zed-0002: extension_builder manifest entry dedup Vec::contains O(N²) ===
N=100   k=100  : defective=0.085ms  fixed=0.003ms  speedup=25.7x
N=500   k=500  : defective=2.950ms  fixed=0.021ms  speedup=138.0x
N=1000  k=1000 : defective=14.564ms  fixed=0.095ms  speedup=153.0x
N=2000  k=2000 : defective=66.573ms  fixed=0.196ms  speedup=339.0x

