fix: Restore funny placeholder usernames in leaderboard CSVs

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

data/activity_leaderboard.csv

@@ -1,2 +1,11 @@
 rank,username,user_alias,anonymous,submitted_at,model_report_link,MAE_mean,MAE_std,RAE_mean,RAE_std,R2_mean,R2_std,Spearman_R_mean,Spearman_R_std,Kendall's_Tau_mean,Kendall's_Tau_std
-1,test_user,,False,2025-04-03 09:14:22+00:00,,0.31,0.02,0.45,0.03,0.87,0.02,0.91,0.02,0.76,0.03
+1,chemprop_enjoyer,,False,2025-04-03 09:14:22+00:00,,0.31,0.02,0.45,0.03,0.87,0.02,0.91,0.02,0.76,0.03
+2,molbert_labs,,False,2025-04-05 14:37:08+00:00,,0.42,0.03,0.61,0.04,0.82,0.02,0.87,0.02,0.71,0.03
+3,grover_waves,,False,2025-04-07 11:02:45+00:00,,0.55,0.03,0.80,0.04,0.76,0.03,0.83,0.02,0.66,0.03
+4,rdkit_wizard,,False,2025-04-10 16:55:31+00:00,,0.61,0.03,0.89,0.05,0.71,0.03,0.79,0.02,0.62,0.03
+5,schnet_forever,,False,2025-04-14 08:29:17+00:00,,0.68,0.04,0.99,0.05,0.65,0.03,0.74,0.03,0.57,0.03
+6,fingerprint_fan,,False,2025-04-18 13:44:59+00:00,,0.74,0.04,1.08,0.06,0.60,0.03,0.69,0.03,0.52,0.03
+7,dmpnn_user,,False,2025-04-22 10:11:03+00:00,,0.83,0.04,1.21,0.06,0.54,0.03,0.63,0.03,0.46,0.03
+8,xgboost_believer,,False,2025-04-27 15:08:44+00:00,,0.91,0.05,1.32,0.07,0.47,0.04,0.57,0.03,0.40,0.03
+9,random_forest_42,,False,2025-05-01 09:33:27+00:00,,1.02,0.05,1.48,0.07,0.39,0.04,0.49,0.03,0.33,0.03
+10,linear_baseline,,False,2025-05-03 17:21:56+00:00,,1.18,0.06,1.71,0.08,0.28,0.04,0.38,0.03,0.24,0.03

data/structure_leaderboard.csv

@@ -1,2 +1,11 @@
 rank,username,user_alias,anonymous,submitted_at,model_report_link,LDDT-PLI_mean,LDDT-PLI_std,BiSyRMSD_mean,BiSyRMSD_std,LDDT-LP_mean,LDDT-LP_std,coverage_mean
-1,test_user,,False,2025-04-04 10:22:11+00:00,,0.88,0.02,1.24,0.15,0.91,0.02,1.00
+1,alphafold_fan,,False,2025-04-04 10:22:11+00:00,,0.88,0.02,1.24,0.15,0.91,0.02,1.00
+2,diffdock_enjoyer,,False,2025-04-06 14:08:37+00:00,,0.81,0.02,1.67,0.18,0.84,0.02,0.99
+3,rosetta_dock,,False,2025-04-09 09:45:02+00:00,,0.74,0.03,2.13,0.21,0.77,0.03,0.98
+4,gnina_user,,False,2025-04-13 16:31:49+00:00,,0.68,0.03,2.58,0.24,0.71,0.03,0.97
+5,vina_wizard,,False,2025-04-17 11:17:25+00:00,,0.61,0.03,3.01,0.27,0.63,0.03,0.96
+6,umol_labs,,False,2025-04-21 08:54:13+00:00,,0.55,0.03,3.44,0.30,0.57,0.03,0.94
+7,glide_runner,,False,2025-04-25 13:40:58+00:00,,0.47,0.03,3.89,0.33,0.49,0.03,0.92
+8,autodock_42,,False,2025-04-29 15:22:34+00:00,,0.39,0.04,4.31,0.36,0.41,0.04,0.90
+9,smina_user,,False,2025-05-02 10:09:47+00:00,,0.31,0.04,4.76,0.39,0.33,0.04,0.88
+10,rigid_body_only,,False,2025-05-04 17:55:01+00:00,,0.22,0.04,5.48,0.44,0.24,0.04,0.80