chain_eval: poissonnd +2 seed rows

csv_boost/poissonnd.csv

@@ -8,3 +8,4 @@ run_timestamp,pde_name,value_type,smoke_test,chain_key,seed,mse_op,mse_bnd,mse_t
 2026-08-11T12:38:08,poissonnd,boost,False,soap62,43,3.6591775553546286e-06,3.5408864914091665e-06,7.200064046763795e-06,0.000601350213401,0.0005915503716096,0.0008435365560003,0.0011929005850106,12691.7,"[{""optimizer"": ""SOAP"", ""lr"": 0.003, ""precondition_frequency"": 2, ""epochs"": 62000}]"
 2026-08-11T12:46:50,poissonnd,boost,False,soap62,42,5.898040764543979e-06,5.869706262212485e-06,1.1767747026756464e-05,0.0007634658832103,0.0007616297807544,0.0010784062674883,0.0015250956639647,13217.9,"[{""optimizer"": ""SOAP"", ""lr"": 0.003, ""precondition_frequency"": 2, ""epochs"": 62000}]"
 2026-08-11T15:35:34,poissonnd,boost,False,soap62lb,42,5.898040764543979e-06,5.9938007390336005e-06,1.189184150357758e-05,0.0007634658832103014,0.0007696386892348528,0.0010840774265675067,0.0015331045724451542,16384.6,"[{""optimizer"": ""SOAP"", ""lr"": 0.003, ""precondition_frequency"": 2, ""epochs"": 62000}, {""optimizer"": ""LBFGS"", ""lr"": 1.0, ""history_size"": 100, ""epochs"": 10000}]"
+2026-08-11T15:36:50,poissonnd,boost,False,soap62lb,43,3.6591775553546286e-06,3.426807431206047e-06,7.085984986560676e-06,0.0006013502134010196,0.0005819431971758604,0.0008368273202380011,0.00118329341057688,16462.3,"[{""optimizer"": ""SOAP"", ""lr"": 0.003, ""precondition_frequency"": 2, ""epochs"": 62000}, {""optimizer"": ""LBFGS"", ""lr"": 1.0, ""history_size"": 100, ""epochs"": 10000}]"