# Summary n009: CryoSleep remaining NA and spend mix

Added zero-spend CryoSleep=True fill plus LuxuryShare/FoodShoppingShare on LightGBM. Official validation score 0.81081 (n=1739, sem 0.00939) vs parent 0.8137 (Δ −0.00289). Worker quick: 0.80718 vs parent quick 0.80732 (Δ −0.00014). Flat within noise.

- official score: 0.8108 (delta vs parent -0.00288, vs best -0.00805)
- verdict: no_change
- commit: 5469a860
- claim check: consistent — Handoff/progress quick numbers agree (0.80718 vs parent quick 0.80732). Official harness validation is 0.81081 vs parent 0.8137; handoff did not claim an official score.

## Git log
```
5469a86 Impute remaining CryoSleep NA at zero spend as True; add luxury and food/shopping spend shares.
```
```
src/features.py | 33 ++++++++++++++++++++++++++++-----
 1 file changed, 28 insertions(+), 5 deletions(-)
```