Fix simulate_list bug: use correct group range 1-16

The wordpool groups are numbered 1-16, not 0-15. Using range(16)
would select group 0 which doesn't exist, causing sample() to fail.

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: jeremymanning

quail/simulate.py

@@ -10,9 +10,8 @@ def simulate_list(nwords=16, nrec=10, ncats=4):
     path = os.path.join(os.path.dirname(__file__), 'data/cut_wordpool.csv')
     wp = pd.read_csv(path)
 
-    # get one list
-    # logic seems to pick a group random
-    wp = wp[wp['GROUP']==np.random.choice(list(range(16)), 1)[0]].sample(16)
+    # get one list - pick a random group (groups are 1-16)
+    wp = wp[wp['GROUP']==np.random.choice(list(range(1, 17)), 1)[0]].sample(16)
 
     wp['COLOR'] = [[int(np.random.rand() * 255) for i in range(3)] for i in range(16)]