Reproduce hybrid smoothing on Adult: certified accuracy monotone decreasing in eps (0.84->0.42) and d (0.84->0.68), tabular framework works

Update logbook: Hybrid Randomized Smoothing (`nf7JT1jCSy`)

Update logbook: Hybrid Randomized Smoothing (`nf7JT1jCSy`)

Repair C1 with exactly ten actual-model routes (GitHub cb46b6635e57)

Update logbook: Repro - Hybrid Randomized Smoothing (nf7JT1jCSy)

initial commit