Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the intervention label from: compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 285.985, "airflow_vvm": 0.301, "cer_mmol_l_h": 7.976, "dissolved_oxygen_pct": 36.931, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.369, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.137, "our_mmol_l_h": 8.701, "ph": 6.999, "phase": "production", "temperature_c": 35.789, "viability_pct": 98.653, "viable_cell_density_million_ml": 25.48}, {"agitation_rpm": 285.814, "airflow_vvm": 0.301, "cer_mmol_l_h": 8.82, "dissolved_oxygen_pct": 36.998, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.391, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.109, "our_mmol_l_h": 9.576, "ph": 7.004, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.674, "viable_cell_density_million_ml": 28.181}, {"agitation_rpm": 284.67, "airflow_vvm": 0.248, "cer_mmol_l_h": 9.874, "dissolved_oxygen_pct": 28.551, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.525, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.061, "our_mmol_l_h": 10.704, "ph": 6.999, "phase": "production", "temperature_c": 35.817, "viability_pct": 98.661, "viable_cell_density_million_ml": 31.536}, {"agitation_rpm": 285.895, "airflow_vvm": 0.18, "cer_mmol_l_h": 10.8, "dissolved_oxygen_pct": 17.805, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.745, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 0.995, "our_mmol_l_h": 11.738, "ph": 7.01, "phase": "production", "temperature_c": 35.825, "viability_pct": 98.933, "viable_cell_density_million_ml": 34.506}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the primary equipment diagnostic from: high_filter_pressure_drop, high_jacket_temperature, low_feed_delivery, low_offline_ph, low_oxygen_transfer, unexpected_antifoam_addition. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 198.534, "airflow_vvm": 0.195, "cer_mmol_l_h": 3.207, "dissolved_oxygen_pct": 41.032, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.486, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.782, "our_mmol_l_h": 3.475, "ph": 6.972, "phase": "exponential", "temperature_c": 36.825, "viability_pct": 98.608, "viable_cell_density_million_ml": 10.236}, {"agitation_rpm": 216.385, "airflow_vvm": 0.218, "cer_mmol_l_h": 3.903, "dissolved_oxygen_pct": 40.018, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.206, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.911, "our_mmol_l_h": 4.251, "ph": 6.959, "phase": "exponential", "temperature_c": 36.807, "viability_pct": 98.572, "viable_cell_density_million_ml": 12.398}, {"agitation_rpm": 245.301, "airflow_vvm": 0.251, "cer_mmol_l_h": 4.912, "dissolved_oxygen_pct": 37.46, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.144, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.947, "our_mmol_l_h": 4.826, "ph": 6.967, "phase": "exponential", "temperature_c": 36.811, "viability_pct": 98.454, "viable_cell_density_million_ml": 15.281}, {"agitation_rpm": 277.63, "airflow_vvm": 0.294, "cer_mmol_l_h": 5.992, "dissolved_oxygen_pct": 35.609, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.781, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.79, "our_mmol_l_h": 5.335, "ph": 6.964, "phase": "production", "temperature_c": 35.811, "viability_pct": 98.621, "viable_cell_density_million_ml": 18.145}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Diagnose the cause and intervention. Choose cause from antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion and intervention from compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return JSON with exactly the keys cause and intervention. JSON whitespace is ignored.

Trajectory excerpt:
[{"agitation_rpm": 198.534, "airflow_vvm": 0.195, "cer_mmol_l_h": 3.207, "dissolved_oxygen_pct": 41.032, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.486, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.782, "our_mmol_l_h": 3.475, "ph": 6.972, "phase": "exponential", "temperature_c": 36.825, "viability_pct": 98.608, "viable_cell_density_million_ml": 10.236}, {"agitation_rpm": 216.385, "airflow_vvm": 0.218, "cer_mmol_l_h": 3.903, "dissolved_oxygen_pct": 40.018, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.206, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.911, "our_mmol_l_h": 4.251, "ph": 6.959, "phase": "exponential", "temperature_c": 36.807, "viability_pct": 98.572, "viable_cell_density_million_ml": 12.398}, {"agitation_rpm": 245.301, "airflow_vvm": 0.251, "cer_mmol_l_h": 4.912, "dissolved_oxygen_pct": 37.46, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.144, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.947, "our_mmol_l_h": 4.826, "ph": 6.967, "phase": "exponential", "temperature_c": 36.811, "viability_pct": 98.454, "viable_cell_density_million_ml": 15.281}, {"agitation_rpm": 277.63, "airflow_vvm": 0.294, "cer_mmol_l_h": 5.992, "dissolved_oxygen_pct": 35.609, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.781, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.79, "our_mmol_l_h": 5.335, "ph": 6.964, "phase": "production", "temperature_c": 35.811, "viability_pct": 98.621, "viable_cell_density_million_ml": 18.145}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the causal label from: antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 198.534, "airflow_vvm": 0.195, "cer_mmol_l_h": 3.207, "dissolved_oxygen_pct": 41.032, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.486, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.782, "our_mmol_l_h": 3.475, "ph": 6.972, "phase": "exponential", "temperature_c": 36.825, "viability_pct": 98.608, "viable_cell_density_million_ml": 10.236}, {"agitation_rpm": 216.385, "airflow_vvm": 0.218, "cer_mmol_l_h": 3.903, "dissolved_oxygen_pct": 40.018, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.206, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.911, "our_mmol_l_h": 4.251, "ph": 6.959, "phase": "exponential", "temperature_c": 36.807, "viability_pct": 98.572, "viable_cell_density_million_ml": 12.398}, {"agitation_rpm": 245.301, "airflow_vvm": 0.251, "cer_mmol_l_h": 4.912, "dissolved_oxygen_pct": 37.46, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.144, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.947, "our_mmol_l_h": 4.826, "ph": 6.967, "phase": "exponential", "temperature_c": 36.811, "viability_pct": 98.454, "viable_cell_density_million_ml": 15.281}, {"agitation_rpm": 277.63, "airflow_vvm": 0.294, "cer_mmol_l_h": 5.992, "dissolved_oxygen_pct": 35.609, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.781, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.79, "our_mmol_l_h": 5.335, "ph": 6.964, "phase": "production", "temperature_c": 35.811, "viability_pct": 98.621, "viable_cell_density_million_ml": 18.145}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the intervention label from: compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 198.534, "airflow_vvm": 0.195, "cer_mmol_l_h": 3.207, "dissolved_oxygen_pct": 41.032, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.486, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.782, "our_mmol_l_h": 3.475, "ph": 6.972, "phase": "exponential", "temperature_c": 36.825, "viability_pct": 98.608, "viable_cell_density_million_ml": 10.236}, {"agitation_rpm": 216.385, "airflow_vvm": 0.218, "cer_mmol_l_h": 3.903, "dissolved_oxygen_pct": 40.018, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.206, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.911, "our_mmol_l_h": 4.251, "ph": 6.959, "phase": "exponential", "temperature_c": 36.807, "viability_pct": 98.572, "viable_cell_density_million_ml": 12.398}, {"agitation_rpm": 245.301, "airflow_vvm": 0.251, "cer_mmol_l_h": 4.912, "dissolved_oxygen_pct": 37.46, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.144, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.947, "our_mmol_l_h": 4.826, "ph": 6.967, "phase": "exponential", "temperature_c": 36.811, "viability_pct": 98.454, "viable_cell_density_million_ml": 15.281}, {"agitation_rpm": 277.63, "airflow_vvm": 0.294, "cer_mmol_l_h": 5.992, "dissolved_oxygen_pct": 35.609, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.781, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.79, "our_mmol_l_h": 5.335, "ph": 6.964, "phase": "production", "temperature_c": 35.811, "viability_pct": 98.621, "viable_cell_density_million_ml": 18.145}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the primary equipment diagnostic from: high_filter_pressure_drop, high_jacket_temperature, low_feed_delivery, low_offline_ph, low_oxygen_transfer, unexpected_antifoam_addition. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 278.678, "airflow_vvm": 0.291, "cer_mmol_l_h": 6.013, "dissolved_oxygen_pct": 36.514, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.051, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.809, "our_mmol_l_h": 6.543, "ph": 6.975, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.432, "viable_cell_density_million_ml": 19.267}, {"agitation_rpm": 283.997, "airflow_vvm": 0.303, "cer_mmol_l_h": 6.412, "dissolved_oxygen_pct": 36.451, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.939, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.729, "our_mmol_l_h": 6.962, "ph": 6.97, "phase": "production", "temperature_c": 35.779, "viability_pct": 98.626, "viable_cell_density_million_ml": 20.475}, {"agitation_rpm": 283.884, "airflow_vvm": 0.246, "cer_mmol_l_h": 6.884, "dissolved_oxygen_pct": 28.347, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.927, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.621, "our_mmol_l_h": 7.51, "ph": 6.975, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.628, "viable_cell_density_million_ml": 22.007}, {"agitation_rpm": 286.089, "airflow_vvm": 0.179, "cer_mmol_l_h": 7.182, "dissolved_oxygen_pct": 18.934, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.76, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.484, "our_mmol_l_h": 7.827, "ph": 6.984, "phase": "production", "temperature_c": 35.823, "viability_pct": 96.624, "viable_cell_density_million_ml": 22.978}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Diagnose the cause and intervention. Choose cause from antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion and intervention from compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return JSON with exactly the keys cause and intervention. JSON whitespace is ignored.

Trajectory excerpt:
[{"agitation_rpm": 278.678, "airflow_vvm": 0.291, "cer_mmol_l_h": 6.013, "dissolved_oxygen_pct": 36.514, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.051, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.809, "our_mmol_l_h": 6.543, "ph": 6.975, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.432, "viable_cell_density_million_ml": 19.267}, {"agitation_rpm": 283.997, "airflow_vvm": 0.303, "cer_mmol_l_h": 6.412, "dissolved_oxygen_pct": 36.451, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.939, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.729, "our_mmol_l_h": 6.962, "ph": 6.97, "phase": "production", "temperature_c": 35.779, "viability_pct": 98.626, "viable_cell_density_million_ml": 20.475}, {"agitation_rpm": 283.884, "airflow_vvm": 0.246, "cer_mmol_l_h": 6.884, "dissolved_oxygen_pct": 28.347, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.927, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.621, "our_mmol_l_h": 7.51, "ph": 6.975, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.628, "viable_cell_density_million_ml": 22.007}, {"agitation_rpm": 286.089, "airflow_vvm": 0.179, "cer_mmol_l_h": 7.182, "dissolved_oxygen_pct": 18.934, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.76, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.484, "our_mmol_l_h": 7.827, "ph": 6.984, "phase": "production", "temperature_c": 35.823, "viability_pct": 96.624, "viable_cell_density_million_ml": 22.978}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the causal label from: antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 278.678, "airflow_vvm": 0.291, "cer_mmol_l_h": 6.013, "dissolved_oxygen_pct": 36.514, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.051, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.809, "our_mmol_l_h": 6.543, "ph": 6.975, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.432, "viable_cell_density_million_ml": 19.267}, {"agitation_rpm": 283.997, "airflow_vvm": 0.303, "cer_mmol_l_h": 6.412, "dissolved_oxygen_pct": 36.451, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.939, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.729, "our_mmol_l_h": 6.962, "ph": 6.97, "phase": "production", "temperature_c": 35.779, "viability_pct": 98.626, "viable_cell_density_million_ml": 20.475}, {"agitation_rpm": 283.884, "airflow_vvm": 0.246, "cer_mmol_l_h": 6.884, "dissolved_oxygen_pct": 28.347, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.927, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.621, "our_mmol_l_h": 7.51, "ph": 6.975, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.628, "viable_cell_density_million_ml": 22.007}, {"agitation_rpm": 286.089, "airflow_vvm": 0.179, "cer_mmol_l_h": 7.182, "dissolved_oxygen_pct": 18.934, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.76, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.484, "our_mmol_l_h": 7.827, "ph": 6.984, "phase": "production", "temperature_c": 35.823, "viability_pct": 96.624, "viable_cell_density_million_ml": 22.978}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the intervention label from: compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 278.678, "airflow_vvm": 0.291, "cer_mmol_l_h": 6.013, "dissolved_oxygen_pct": 36.514, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.051, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.809, "our_mmol_l_h": 6.543, "ph": 6.975, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.432, "viable_cell_density_million_ml": 19.267}, {"agitation_rpm": 283.997, "airflow_vvm": 0.303, "cer_mmol_l_h": 6.412, "dissolved_oxygen_pct": 36.451, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.939, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.729, "our_mmol_l_h": 6.962, "ph": 6.97, "phase": "production", "temperature_c": 35.779, "viability_pct": 98.626, "viable_cell_density_million_ml": 20.475}, {"agitation_rpm": 283.884, "airflow_vvm": 0.246, "cer_mmol_l_h": 6.884, "dissolved_oxygen_pct": 28.347, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.927, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.621, "our_mmol_l_h": 7.51, "ph": 6.975, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.628, "viable_cell_density_million_ml": 22.007}, {"agitation_rpm": 286.089, "airflow_vvm": 0.179, "cer_mmol_l_h": 7.182, "dissolved_oxygen_pct": 18.934, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.76, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.484, "our_mmol_l_h": 7.827, "ph": 6.984, "phase": "production", "temperature_c": 35.823, "viability_pct": 96.624, "viable_cell_density_million_ml": 22.978}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the primary equipment diagnostic from: high_filter_pressure_drop, high_jacket_temperature, low_feed_delivery, low_offline_ph, low_oxygen_transfer, unexpected_antifoam_addition. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 251.733, "airflow_vvm": 0.257, "cer_mmol_l_h": 5.097, "dissolved_oxygen_pct": 38.02, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.444, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.247, "our_mmol_l_h": 5.566, "ph": 6.987, "phase": "exponential", "temperature_c": 36.799, "viability_pct": 98.847, "viable_cell_density_million_ml": 16.375}, {"agitation_rpm": 279.043, "airflow_vvm": 0.291, "cer_mmol_l_h": 6.114, "dissolved_oxygen_pct": 36.451, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.399, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.184, "our_mmol_l_h": 6.587, "ph": 6.993, "phase": "exponential", "temperature_c": 36.823, "viability_pct": 98.83, "viable_cell_density_million_ml": 19.504}, {"agitation_rpm": 283.864, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.524, "dissolved_oxygen_pct": 36.748, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.44, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.156, "our_mmol_l_h": 7.707, "ph": 7.003, "phase": "production", "temperature_c": 35.789, "viability_pct": 98.851, "viable_cell_density_million_ml": 23.659}, {"agitation_rpm": 285.976, "airflow_vvm": 0.3, "cer_mmol_l_h": 9.203, "dissolved_oxygen_pct": 36.002, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.241, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.097, "our_mmol_l_h": 8.818, "ph": 7.002, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.935, "viable_cell_density_million_ml": 28.491}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Diagnose the cause and intervention. Choose cause from antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion and intervention from compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return JSON with exactly the keys cause and intervention. JSON whitespace is ignored.

Trajectory excerpt:
[{"agitation_rpm": 251.733, "airflow_vvm": 0.257, "cer_mmol_l_h": 5.097, "dissolved_oxygen_pct": 38.02, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.444, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.247, "our_mmol_l_h": 5.566, "ph": 6.987, "phase": "exponential", "temperature_c": 36.799, "viability_pct": 98.847, "viable_cell_density_million_ml": 16.375}, {"agitation_rpm": 279.043, "airflow_vvm": 0.291, "cer_mmol_l_h": 6.114, "dissolved_oxygen_pct": 36.451, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.399, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.184, "our_mmol_l_h": 6.587, "ph": 6.993, "phase": "exponential", "temperature_c": 36.823, "viability_pct": 98.83, "viable_cell_density_million_ml": 19.504}, {"agitation_rpm": 283.864, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.524, "dissolved_oxygen_pct": 36.748, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.44, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.156, "our_mmol_l_h": 7.707, "ph": 7.003, "phase": "production", "temperature_c": 35.789, "viability_pct": 98.851, "viable_cell_density_million_ml": 23.659}, {"agitation_rpm": 285.976, "airflow_vvm": 0.3, "cer_mmol_l_h": 9.203, "dissolved_oxygen_pct": 36.002, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.241, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.097, "our_mmol_l_h": 8.818, "ph": 7.002, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.935, "viable_cell_density_million_ml": 28.491}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the causal label from: antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 251.733, "airflow_vvm": 0.257, "cer_mmol_l_h": 5.097, "dissolved_oxygen_pct": 38.02, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.444, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.247, "our_mmol_l_h": 5.566, "ph": 6.987, "phase": "exponential", "temperature_c": 36.799, "viability_pct": 98.847, "viable_cell_density_million_ml": 16.375}, {"agitation_rpm": 279.043, "airflow_vvm": 0.291, "cer_mmol_l_h": 6.114, "dissolved_oxygen_pct": 36.451, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.399, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.184, "our_mmol_l_h": 6.587, "ph": 6.993, "phase": "exponential", "temperature_c": 36.823, "viability_pct": 98.83, "viable_cell_density_million_ml": 19.504}, {"agitation_rpm": 283.864, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.524, "dissolved_oxygen_pct": 36.748, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.44, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.156, "our_mmol_l_h": 7.707, "ph": 7.003, "phase": "production", "temperature_c": 35.789, "viability_pct": 98.851, "viable_cell_density_million_ml": 23.659}, {"agitation_rpm": 285.976, "airflow_vvm": 0.3, "cer_mmol_l_h": 9.203, "dissolved_oxygen_pct": 36.002, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.241, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.097, "our_mmol_l_h": 8.818, "ph": 7.002, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.935, "viable_cell_density_million_ml": 28.491}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the intervention label from: compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 251.733, "airflow_vvm": 0.257, "cer_mmol_l_h": 5.097, "dissolved_oxygen_pct": 38.02, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.444, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.247, "our_mmol_l_h": 5.566, "ph": 6.987, "phase": "exponential", "temperature_c": 36.799, "viability_pct": 98.847, "viable_cell_density_million_ml": 16.375}, {"agitation_rpm": 279.043, "airflow_vvm": 0.291, "cer_mmol_l_h": 6.114, "dissolved_oxygen_pct": 36.451, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.399, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.184, "our_mmol_l_h": 6.587, "ph": 6.993, "phase": "exponential", "temperature_c": 36.823, "viability_pct": 98.83, "viable_cell_density_million_ml": 19.504}, {"agitation_rpm": 283.864, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.524, "dissolved_oxygen_pct": 36.748, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.44, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.156, "our_mmol_l_h": 7.707, "ph": 7.003, "phase": "production", "temperature_c": 35.789, "viability_pct": 98.851, "viable_cell_density_million_ml": 23.659}, {"agitation_rpm": 285.976, "airflow_vvm": 0.3, "cer_mmol_l_h": 9.203, "dissolved_oxygen_pct": 36.002, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.241, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.097, "our_mmol_l_h": 8.818, "ph": 7.002, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.935, "viable_cell_density_million_ml": 28.491}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the primary equipment diagnostic from: high_filter_pressure_drop, high_jacket_temperature, low_feed_delivery, low_offline_ph, low_oxygen_transfer, unexpected_antifoam_addition. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 213.505, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.727, "dissolved_oxygen_pct": 40.537, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.623, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.234, "our_mmol_l_h": 4.063, "ph": 6.993, "phase": "exponential", "temperature_c": 36.777, "viability_pct": 98.708, "viable_cell_density_million_ml": 12.014}, {"agitation_rpm": 237.523, "airflow_vvm": 0.242, "cer_mmol_l_h": 4.623, "dissolved_oxygen_pct": 38.504, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.492, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.231, "our_mmol_l_h": 5.029, "ph": 7.0, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.659, "viable_cell_density_million_ml": 14.806}, {"agitation_rpm": 279.699, "airflow_vvm": 0.245, "cer_mmol_l_h": 6.081, "dissolved_oxygen_pct": 28.607, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.374, "hour": 84.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.186, "our_mmol_l_h": 6.62, "ph": 6.989, "phase": "exponential", "temperature_c": 36.789, "viability_pct": 98.69, "viable_cell_density_million_ml": 19.527}, {"agitation_rpm": 286.128, "airflow_vvm": 0.182, "cer_mmol_l_h": 7.97, "dissolved_oxygen_pct": 17.702, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.379, "hour": 100.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.123, "our_mmol_l_h": 8.693, "ph": 6.994, "phase": "production", "temperature_c": 35.814, "viability_pct": 98.768, "viable_cell_density_million_ml": 25.613}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Diagnose the cause and intervention. Choose cause from antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion and intervention from compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return JSON with exactly the keys cause and intervention. JSON whitespace is ignored.

Trajectory excerpt:
[{"agitation_rpm": 213.505, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.727, "dissolved_oxygen_pct": 40.537, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.623, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.234, "our_mmol_l_h": 4.063, "ph": 6.993, "phase": "exponential", "temperature_c": 36.777, "viability_pct": 98.708, "viable_cell_density_million_ml": 12.014}, {"agitation_rpm": 237.523, "airflow_vvm": 0.242, "cer_mmol_l_h": 4.623, "dissolved_oxygen_pct": 38.504, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.492, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.231, "our_mmol_l_h": 5.029, "ph": 7.0, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.659, "viable_cell_density_million_ml": 14.806}, {"agitation_rpm": 279.699, "airflow_vvm": 0.245, "cer_mmol_l_h": 6.081, "dissolved_oxygen_pct": 28.607, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.374, "hour": 84.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.186, "our_mmol_l_h": 6.62, "ph": 6.989, "phase": "exponential", "temperature_c": 36.789, "viability_pct": 98.69, "viable_cell_density_million_ml": 19.527}, {"agitation_rpm": 286.128, "airflow_vvm": 0.182, "cer_mmol_l_h": 7.97, "dissolved_oxygen_pct": 17.702, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.379, "hour": 100.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.123, "our_mmol_l_h": 8.693, "ph": 6.994, "phase": "production", "temperature_c": 35.814, "viability_pct": 98.768, "viable_cell_density_million_ml": 25.613}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the causal label from: antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 213.505, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.727, "dissolved_oxygen_pct": 40.537, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.623, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.234, "our_mmol_l_h": 4.063, "ph": 6.993, "phase": "exponential", "temperature_c": 36.777, "viability_pct": 98.708, "viable_cell_density_million_ml": 12.014}, {"agitation_rpm": 237.523, "airflow_vvm": 0.242, "cer_mmol_l_h": 4.623, "dissolved_oxygen_pct": 38.504, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.492, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.231, "our_mmol_l_h": 5.029, "ph": 7.0, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.659, "viable_cell_density_million_ml": 14.806}, {"agitation_rpm": 279.699, "airflow_vvm": 0.245, "cer_mmol_l_h": 6.081, "dissolved_oxygen_pct": 28.607, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.374, "hour": 84.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.186, "our_mmol_l_h": 6.62, "ph": 6.989, "phase": "exponential", "temperature_c": 36.789, "viability_pct": 98.69, "viable_cell_density_million_ml": 19.527}, {"agitation_rpm": 286.128, "airflow_vvm": 0.182, "cer_mmol_l_h": 7.97, "dissolved_oxygen_pct": 17.702, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.379, "hour": 100.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.123, "our_mmol_l_h": 8.693, "ph": 6.994, "phase": "production", "temperature_c": 35.814, "viability_pct": 98.768, "viable_cell_density_million_ml": 25.613}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the intervention label from: compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 213.505, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.727, "dissolved_oxygen_pct": 40.537, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.623, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.234, "our_mmol_l_h": 4.063, "ph": 6.993, "phase": "exponential", "temperature_c": 36.777, "viability_pct": 98.708, "viable_cell_density_million_ml": 12.014}, {"agitation_rpm": 237.523, "airflow_vvm": 0.242, "cer_mmol_l_h": 4.623, "dissolved_oxygen_pct": 38.504, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.492, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.231, "our_mmol_l_h": 5.029, "ph": 7.0, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.659, "viable_cell_density_million_ml": 14.806}, {"agitation_rpm": 279.699, "airflow_vvm": 0.245, "cer_mmol_l_h": 6.081, "dissolved_oxygen_pct": 28.607, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.374, "hour": 84.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.186, "our_mmol_l_h": 6.62, "ph": 6.989, "phase": "exponential", "temperature_c": 36.789, "viability_pct": 98.69, "viable_cell_density_million_ml": 19.527}, {"agitation_rpm": 286.128, "airflow_vvm": 0.182, "cer_mmol_l_h": 7.97, "dissolved_oxygen_pct": 17.702, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.379, "hour": 100.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.123, "our_mmol_l_h": 8.693, "ph": 6.994, "phase": "production", "temperature_c": 35.814, "viability_pct": 98.768, "viable_cell_density_million_ml": 25.613}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the primary equipment diagnostic from: high_filter_pressure_drop, high_jacket_temperature, low_feed_delivery, low_offline_ph, low_oxygen_transfer, unexpected_antifoam_addition. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 196.745, "airflow_vvm": 0.194, "cer_mmol_l_h": 3.234, "dissolved_oxygen_pct": 41.392, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.465, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.753, "our_mmol_l_h": 3.516, "ph": 6.964, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.392, "viable_cell_density_million_ml": 10.261}, {"agitation_rpm": 217.533, "airflow_vvm": 0.216, "cer_mmol_l_h": 3.921, "dissolved_oxygen_pct": 39.788, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.168, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.935, "our_mmol_l_h": 4.205, "ph": 6.956, "phase": "exponential", "temperature_c": 36.785, "viability_pct": 98.551, "viable_cell_density_million_ml": 12.395}, {"agitation_rpm": 246.563, "airflow_vvm": 0.252, "cer_mmol_l_h": 4.894, "dissolved_oxygen_pct": 38.03, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.191, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.956, "our_mmol_l_h": 4.794, "ph": 6.967, "phase": "exponential", "temperature_c": 36.797, "viability_pct": 98.354, "viable_cell_density_million_ml": 15.184}, {"agitation_rpm": 277.199, "airflow_vvm": 0.29, "cer_mmol_l_h": 5.98, "dissolved_oxygen_pct": 36.811, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.807, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.81, "our_mmol_l_h": 5.31, "ph": 6.968, "phase": "production", "temperature_c": 35.811, "viability_pct": 98.355, "viable_cell_density_million_ml": 18.218}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Diagnose the cause and intervention. Choose cause from antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion and intervention from compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return JSON with exactly the keys cause and intervention. JSON whitespace is ignored.

Trajectory excerpt:
[{"agitation_rpm": 196.745, "airflow_vvm": 0.194, "cer_mmol_l_h": 3.234, "dissolved_oxygen_pct": 41.392, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.465, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.753, "our_mmol_l_h": 3.516, "ph": 6.964, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.392, "viable_cell_density_million_ml": 10.261}, {"agitation_rpm": 217.533, "airflow_vvm": 0.216, "cer_mmol_l_h": 3.921, "dissolved_oxygen_pct": 39.788, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.168, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.935, "our_mmol_l_h": 4.205, "ph": 6.956, "phase": "exponential", "temperature_c": 36.785, "viability_pct": 98.551, "viable_cell_density_million_ml": 12.395}, {"agitation_rpm": 246.563, "airflow_vvm": 0.252, "cer_mmol_l_h": 4.894, "dissolved_oxygen_pct": 38.03, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.191, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.956, "our_mmol_l_h": 4.794, "ph": 6.967, "phase": "exponential", "temperature_c": 36.797, "viability_pct": 98.354, "viable_cell_density_million_ml": 15.184}, {"agitation_rpm": 277.199, "airflow_vvm": 0.29, "cer_mmol_l_h": 5.98, "dissolved_oxygen_pct": 36.811, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.807, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.81, "our_mmol_l_h": 5.31, "ph": 6.968, "phase": "production", "temperature_c": 35.811, "viability_pct": 98.355, "viable_cell_density_million_ml": 18.218}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the causal label from: antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 196.745, "airflow_vvm": 0.194, "cer_mmol_l_h": 3.234, "dissolved_oxygen_pct": 41.392, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.465, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.753, "our_mmol_l_h": 3.516, "ph": 6.964, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.392, "viable_cell_density_million_ml": 10.261}, {"agitation_rpm": 217.533, "airflow_vvm": 0.216, "cer_mmol_l_h": 3.921, "dissolved_oxygen_pct": 39.788, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.168, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.935, "our_mmol_l_h": 4.205, "ph": 6.956, "phase": "exponential", "temperature_c": 36.785, "viability_pct": 98.551, "viable_cell_density_million_ml": 12.395}, {"agitation_rpm": 246.563, "airflow_vvm": 0.252, "cer_mmol_l_h": 4.894, "dissolved_oxygen_pct": 38.03, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.191, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.956, "our_mmol_l_h": 4.794, "ph": 6.967, "phase": "exponential", "temperature_c": 36.797, "viability_pct": 98.354, "viable_cell_density_million_ml": 15.184}, {"agitation_rpm": 277.199, "airflow_vvm": 0.29, "cer_mmol_l_h": 5.98, "dissolved_oxygen_pct": 36.811, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.807, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.81, "our_mmol_l_h": 5.31, "ph": 6.968, "phase": "production", "temperature_c": 35.811, "viability_pct": 98.355, "viable_cell_density_million_ml": 18.218}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the intervention label from: compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 196.745, "airflow_vvm": 0.194, "cer_mmol_l_h": 3.234, "dissolved_oxygen_pct": 41.392, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.465, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.753, "our_mmol_l_h": 3.516, "ph": 6.964, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.392, "viable_cell_density_million_ml": 10.261}, {"agitation_rpm": 217.533, "airflow_vvm": 0.216, "cer_mmol_l_h": 3.921, "dissolved_oxygen_pct": 39.788, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.168, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.935, "our_mmol_l_h": 4.205, "ph": 6.956, "phase": "exponential", "temperature_c": 36.785, "viability_pct": 98.551, "viable_cell_density_million_ml": 12.395}, {"agitation_rpm": 246.563, "airflow_vvm": 0.252, "cer_mmol_l_h": 4.894, "dissolved_oxygen_pct": 38.03, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.191, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.956, "our_mmol_l_h": 4.794, "ph": 6.967, "phase": "exponential", "temperature_c": 36.797, "viability_pct": 98.354, "viable_cell_density_million_ml": 15.184}, {"agitation_rpm": 277.199, "airflow_vvm": 0.29, "cer_mmol_l_h": 5.98, "dissolved_oxygen_pct": 36.811, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.807, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.81, "our_mmol_l_h": 5.31, "ph": 6.968, "phase": "production", "temperature_c": 35.811, "viability_pct": 98.355, "viable_cell_density_million_ml": 18.218}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the primary equipment diagnostic from: high_filter_pressure_drop, high_jacket_temperature, low_feed_delivery, low_offline_ph, low_oxygen_transfer, unexpected_antifoam_addition. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 254.212, "airflow_vvm": 0.265, "cer_mmol_l_h": 5.228, "dissolved_oxygen_pct": 37.673, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.051, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.892, "our_mmol_l_h": 5.676, "ph": 6.957, "phase": "exponential", "temperature_c": 36.81, "viability_pct": 98.564, "viable_cell_density_million_ml": 16.556}, {"agitation_rpm": 270.813, "airflow_vvm": 0.284, "cer_mmol_l_h": 5.745, "dissolved_oxygen_pct": 36.065, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.023, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.865, "our_mmol_l_h": 6.246, "ph": 6.972, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.619, "viable_cell_density_million_ml": 18.468}, {"agitation_rpm": 284.591, "airflow_vvm": 0.251, "cer_mmol_l_h": 6.415, "dissolved_oxygen_pct": 29.208, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.973, "hour": 108.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.72, "our_mmol_l_h": 6.987, "ph": 6.969, "phase": "production", "temperature_c": 35.819, "viability_pct": 98.416, "viable_cell_density_million_ml": 20.475}, {"agitation_rpm": 284.497, "airflow_vvm": 0.179, "cer_mmol_l_h": 7.023, "dissolved_oxygen_pct": 18.905, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.887, "hour": 124.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.587, "our_mmol_l_h": 7.634, "ph": 6.974, "phase": "production", "temperature_c": 35.802, "viability_pct": 97.955, "viable_cell_density_million_ml": 22.453}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Diagnose the cause and intervention. Choose cause from antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion and intervention from compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return JSON with exactly the keys cause and intervention. JSON whitespace is ignored.

Trajectory excerpt:
[{"agitation_rpm": 254.212, "airflow_vvm": 0.265, "cer_mmol_l_h": 5.228, "dissolved_oxygen_pct": 37.673, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.051, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.892, "our_mmol_l_h": 5.676, "ph": 6.957, "phase": "exponential", "temperature_c": 36.81, "viability_pct": 98.564, "viable_cell_density_million_ml": 16.556}, {"agitation_rpm": 270.813, "airflow_vvm": 0.284, "cer_mmol_l_h": 5.745, "dissolved_oxygen_pct": 36.065, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.023, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.865, "our_mmol_l_h": 6.246, "ph": 6.972, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.619, "viable_cell_density_million_ml": 18.468}, {"agitation_rpm": 284.591, "airflow_vvm": 0.251, "cer_mmol_l_h": 6.415, "dissolved_oxygen_pct": 29.208, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.973, "hour": 108.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.72, "our_mmol_l_h": 6.987, "ph": 6.969, "phase": "production", "temperature_c": 35.819, "viability_pct": 98.416, "viable_cell_density_million_ml": 20.475}, {"agitation_rpm": 284.497, "airflow_vvm": 0.179, "cer_mmol_l_h": 7.023, "dissolved_oxygen_pct": 18.905, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.887, "hour": 124.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.587, "our_mmol_l_h": 7.634, "ph": 6.974, "phase": "production", "temperature_c": 35.802, "viability_pct": 97.955, "viable_cell_density_million_ml": 22.453}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the causal label from: antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 254.212, "airflow_vvm": 0.265, "cer_mmol_l_h": 5.228, "dissolved_oxygen_pct": 37.673, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.051, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.892, "our_mmol_l_h": 5.676, "ph": 6.957, "phase": "exponential", "temperature_c": 36.81, "viability_pct": 98.564, "viable_cell_density_million_ml": 16.556}, {"agitation_rpm": 270.813, "airflow_vvm": 0.284, "cer_mmol_l_h": 5.745, "dissolved_oxygen_pct": 36.065, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.023, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.865, "our_mmol_l_h": 6.246, "ph": 6.972, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.619, "viable_cell_density_million_ml": 18.468}, {"agitation_rpm": 284.591, "airflow_vvm": 0.251, "cer_mmol_l_h": 6.415, "dissolved_oxygen_pct": 29.208, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.973, "hour": 108.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.72, "our_mmol_l_h": 6.987, "ph": 6.969, "phase": "production", "temperature_c": 35.819, "viability_pct": 98.416, "viable_cell_density_million_ml": 20.475}, {"agitation_rpm": 284.497, "airflow_vvm": 0.179, "cer_mmol_l_h": 7.023, "dissolved_oxygen_pct": 18.905, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.887, "hour": 124.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.587, "our_mmol_l_h": 7.634, "ph": 6.974, "phase": "production", "temperature_c": 35.802, "viability_pct": 97.955, "viable_cell_density_million_ml": 22.453}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the intervention label from: compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 254.212, "airflow_vvm": 0.265, "cer_mmol_l_h": 5.228, "dissolved_oxygen_pct": 37.673, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.051, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.892, "our_mmol_l_h": 5.676, "ph": 6.957, "phase": "exponential", "temperature_c": 36.81, "viability_pct": 98.564, "viable_cell_density_million_ml": 16.556}, {"agitation_rpm": 270.813, "airflow_vvm": 0.284, "cer_mmol_l_h": 5.745, "dissolved_oxygen_pct": 36.065, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.023, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.865, "our_mmol_l_h": 6.246, "ph": 6.972, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.619, "viable_cell_density_million_ml": 18.468}, {"agitation_rpm": 284.591, "airflow_vvm": 0.251, "cer_mmol_l_h": 6.415, "dissolved_oxygen_pct": 29.208, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.973, "hour": 108.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.72, "our_mmol_l_h": 6.987, "ph": 6.969, "phase": "production", "temperature_c": 35.819, "viability_pct": 98.416, "viable_cell_density_million_ml": 20.475}, {"agitation_rpm": 284.497, "airflow_vvm": 0.179, "cer_mmol_l_h": 7.023, "dissolved_oxygen_pct": 18.905, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.887, "hour": 124.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.587, "our_mmol_l_h": 7.634, "ph": 6.974, "phase": "production", "temperature_c": 35.802, "viability_pct": 97.955, "viable_cell_density_million_ml": 22.453}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the primary equipment diagnostic from: high_filter_pressure_drop, high_jacket_temperature, low_feed_delivery, low_offline_ph, low_oxygen_transfer, unexpected_antifoam_addition. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 251.153, "airflow_vvm": 0.26, "cer_mmol_l_h": 5.1, "dissolved_oxygen_pct": 37.854, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.429, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.252, "our_mmol_l_h": 5.574, "ph": 6.993, "phase": "exponential", "temperature_c": 36.783, "viability_pct": 98.794, "viable_cell_density_million_ml": 16.359}, {"agitation_rpm": 279.348, "airflow_vvm": 0.295, "cer_mmol_l_h": 6.104, "dissolved_oxygen_pct": 36.887, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.411, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.199, "our_mmol_l_h": 6.602, "ph": 7.0, "phase": "exponential", "temperature_c": 36.806, "viability_pct": 98.884, "viable_cell_density_million_ml": 19.372}, {"agitation_rpm": 285.276, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.553, "dissolved_oxygen_pct": 35.706, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.439, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.141, "our_mmol_l_h": 7.709, "ph": 6.994, "phase": "production", "temperature_c": 35.778, "viability_pct": 98.858, "viable_cell_density_million_ml": 23.62}, {"agitation_rpm": 285.648, "airflow_vvm": 0.299, "cer_mmol_l_h": 9.184, "dissolved_oxygen_pct": 36.948, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.276, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.108, "our_mmol_l_h": 8.812, "ph": 6.998, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.735, "viable_cell_density_million_ml": 28.434}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Diagnose the cause and intervention. Choose cause from antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion and intervention from compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return JSON with exactly the keys cause and intervention. JSON whitespace is ignored.

Trajectory excerpt:
[{"agitation_rpm": 251.153, "airflow_vvm": 0.26, "cer_mmol_l_h": 5.1, "dissolved_oxygen_pct": 37.854, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.429, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.252, "our_mmol_l_h": 5.574, "ph": 6.993, "phase": "exponential", "temperature_c": 36.783, "viability_pct": 98.794, "viable_cell_density_million_ml": 16.359}, {"agitation_rpm": 279.348, "airflow_vvm": 0.295, "cer_mmol_l_h": 6.104, "dissolved_oxygen_pct": 36.887, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.411, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.199, "our_mmol_l_h": 6.602, "ph": 7.0, "phase": "exponential", "temperature_c": 36.806, "viability_pct": 98.884, "viable_cell_density_million_ml": 19.372}, {"agitation_rpm": 285.276, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.553, "dissolved_oxygen_pct": 35.706, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.439, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.141, "our_mmol_l_h": 7.709, "ph": 6.994, "phase": "production", "temperature_c": 35.778, "viability_pct": 98.858, "viable_cell_density_million_ml": 23.62}, {"agitation_rpm": 285.648, "airflow_vvm": 0.299, "cer_mmol_l_h": 9.184, "dissolved_oxygen_pct": 36.948, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.276, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.108, "our_mmol_l_h": 8.812, "ph": 6.998, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.735, "viable_cell_density_million_ml": 28.434}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the causal label from: antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 251.153, "airflow_vvm": 0.26, "cer_mmol_l_h": 5.1, "dissolved_oxygen_pct": 37.854, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.429, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.252, "our_mmol_l_h": 5.574, "ph": 6.993, "phase": "exponential", "temperature_c": 36.783, "viability_pct": 98.794, "viable_cell_density_million_ml": 16.359}, {"agitation_rpm": 279.348, "airflow_vvm": 0.295, "cer_mmol_l_h": 6.104, "dissolved_oxygen_pct": 36.887, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.411, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.199, "our_mmol_l_h": 6.602, "ph": 7.0, "phase": "exponential", "temperature_c": 36.806, "viability_pct": 98.884, "viable_cell_density_million_ml": 19.372}, {"agitation_rpm": 285.276, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.553, "dissolved_oxygen_pct": 35.706, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.439, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.141, "our_mmol_l_h": 7.709, "ph": 6.994, "phase": "production", "temperature_c": 35.778, "viability_pct": 98.858, "viable_cell_density_million_ml": 23.62}, {"agitation_rpm": 285.648, "airflow_vvm": 0.299, "cer_mmol_l_h": 9.184, "dissolved_oxygen_pct": 36.948, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.276, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.108, "our_mmol_l_h": 8.812, "ph": 6.998, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.735, "viable_cell_density_million_ml": 28.434}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the intervention label from: compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 251.153, "airflow_vvm": 0.26, "cer_mmol_l_h": 5.1, "dissolved_oxygen_pct": 37.854, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.429, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.252, "our_mmol_l_h": 5.574, "ph": 6.993, "phase": "exponential", "temperature_c": 36.783, "viability_pct": 98.794, "viable_cell_density_million_ml": 16.359}, {"agitation_rpm": 279.348, "airflow_vvm": 0.295, "cer_mmol_l_h": 6.104, "dissolved_oxygen_pct": 36.887, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.411, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.199, "our_mmol_l_h": 6.602, "ph": 7.0, "phase": "exponential", "temperature_c": 36.806, "viability_pct": 98.884, "viable_cell_density_million_ml": 19.372}, {"agitation_rpm": 285.276, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.553, "dissolved_oxygen_pct": 35.706, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.439, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.141, "our_mmol_l_h": 7.709, "ph": 6.994, "phase": "production", "temperature_c": 35.778, "viability_pct": 98.858, "viable_cell_density_million_ml": 23.62}, {"agitation_rpm": 285.648, "airflow_vvm": 0.299, "cer_mmol_l_h": 9.184, "dissolved_oxygen_pct": 36.948, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.276, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.108, "our_mmol_l_h": 8.812, "ph": 6.998, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.735, "viable_cell_density_million_ml": 28.434}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the primary equipment diagnostic from: high_filter_pressure_drop, high_jacket_temperature, low_feed_delivery, low_offline_ph, low_oxygen_transfer, unexpected_antifoam_addition. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 251.091, "airflow_vvm": 0.261, "cer_mmol_l_h": 5.108, "dissolved_oxygen_pct": 37.463, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.445, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.25, "our_mmol_l_h": 5.566, "ph": 6.993, "phase": "exponential", "temperature_c": 36.775, "viability_pct": 98.868, "viable_cell_density_million_ml": 16.307}, {"agitation_rpm": 278.878, "airflow_vvm": 0.292, "cer_mmol_l_h": 6.088, "dissolved_oxygen_pct": 36.234, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.421, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.215, "our_mmol_l_h": 6.618, "ph": 6.992, "phase": "exponential", "temperature_c": 36.795, "viability_pct": 98.822, "viable_cell_density_million_ml": 19.39}, {"agitation_rpm": 285.664, "airflow_vvm": 0.252, "cer_mmol_l_h": 7.525, "dissolved_oxygen_pct": 28.769, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.374, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.139, "our_mmol_l_h": 8.166, "ph": 6.991, "phase": "production", "temperature_c": 35.789, "viability_pct": 98.871, "viable_cell_density_million_ml": 24.173}, {"agitation_rpm": 285.01, "airflow_vvm": 0.179, "cer_mmol_l_h": 9.189, "dissolved_oxygen_pct": 18.05, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.472, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.081, "our_mmol_l_h": 10.008, "ph": 7.007, "phase": "production", "temperature_c": 35.779, "viability_pct": 98.807, "viable_cell_density_million_ml": 29.455}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Diagnose the cause and intervention. Choose cause from antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion and intervention from compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return JSON with exactly the keys cause and intervention. JSON whitespace is ignored.

Trajectory excerpt:
[{"agitation_rpm": 251.091, "airflow_vvm": 0.261, "cer_mmol_l_h": 5.108, "dissolved_oxygen_pct": 37.463, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.445, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.25, "our_mmol_l_h": 5.566, "ph": 6.993, "phase": "exponential", "temperature_c": 36.775, "viability_pct": 98.868, "viable_cell_density_million_ml": 16.307}, {"agitation_rpm": 278.878, "airflow_vvm": 0.292, "cer_mmol_l_h": 6.088, "dissolved_oxygen_pct": 36.234, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.421, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.215, "our_mmol_l_h": 6.618, "ph": 6.992, "phase": "exponential", "temperature_c": 36.795, "viability_pct": 98.822, "viable_cell_density_million_ml": 19.39}, {"agitation_rpm": 285.664, "airflow_vvm": 0.252, "cer_mmol_l_h": 7.525, "dissolved_oxygen_pct": 28.769, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.374, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.139, "our_mmol_l_h": 8.166, "ph": 6.991, "phase": "production", "temperature_c": 35.789, "viability_pct": 98.871, "viable_cell_density_million_ml": 24.173}, {"agitation_rpm": 285.01, "airflow_vvm": 0.179, "cer_mmol_l_h": 9.189, "dissolved_oxygen_pct": 18.05, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.472, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.081, "our_mmol_l_h": 10.008, "ph": 7.007, "phase": "production", "temperature_c": 35.779, "viability_pct": 98.807, "viable_cell_density_million_ml": 29.455}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the causal label from: antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 251.091, "airflow_vvm": 0.261, "cer_mmol_l_h": 5.108, "dissolved_oxygen_pct": 37.463, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.445, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.25, "our_mmol_l_h": 5.566, "ph": 6.993, "phase": "exponential", "temperature_c": 36.775, "viability_pct": 98.868, "viable_cell_density_million_ml": 16.307}, {"agitation_rpm": 278.878, "airflow_vvm": 0.292, "cer_mmol_l_h": 6.088, "dissolved_oxygen_pct": 36.234, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.421, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.215, "our_mmol_l_h": 6.618, "ph": 6.992, "phase": "exponential", "temperature_c": 36.795, "viability_pct": 98.822, "viable_cell_density_million_ml": 19.39}, {"agitation_rpm": 285.664, "airflow_vvm": 0.252, "cer_mmol_l_h": 7.525, "dissolved_oxygen_pct": 28.769, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.374, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.139, "our_mmol_l_h": 8.166, "ph": 6.991, "phase": "production", "temperature_c": 35.789, "viability_pct": 98.871, "viable_cell_density_million_ml": 24.173}, {"agitation_rpm": 285.01, "airflow_vvm": 0.179, "cer_mmol_l_h": 9.189, "dissolved_oxygen_pct": 18.05, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.472, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.081, "our_mmol_l_h": 10.008, "ph": 7.007, "phase": "production", "temperature_c": 35.779, "viability_pct": 98.807, "viable_cell_density_million_ml": 29.455}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the intervention label from: compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 251.091, "airflow_vvm": 0.261, "cer_mmol_l_h": 5.108, "dissolved_oxygen_pct": 37.463, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.445, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.25, "our_mmol_l_h": 5.566, "ph": 6.993, "phase": "exponential", "temperature_c": 36.775, "viability_pct": 98.868, "viable_cell_density_million_ml": 16.307}, {"agitation_rpm": 278.878, "airflow_vvm": 0.292, "cer_mmol_l_h": 6.088, "dissolved_oxygen_pct": 36.234, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.421, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.215, "our_mmol_l_h": 6.618, "ph": 6.992, "phase": "exponential", "temperature_c": 36.795, "viability_pct": 98.822, "viable_cell_density_million_ml": 19.39}, {"agitation_rpm": 285.664, "airflow_vvm": 0.252, "cer_mmol_l_h": 7.525, "dissolved_oxygen_pct": 28.769, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.374, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.139, "our_mmol_l_h": 8.166, "ph": 6.991, "phase": "production", "temperature_c": 35.789, "viability_pct": 98.871, "viable_cell_density_million_ml": 24.173}, {"agitation_rpm": 285.01, "airflow_vvm": 0.179, "cer_mmol_l_h": 9.189, "dissolved_oxygen_pct": 18.05, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.472, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.081, "our_mmol_l_h": 10.008, "ph": 7.007, "phase": "production", "temperature_c": 35.779, "viability_pct": 98.807, "viable_cell_density_million_ml": 29.455}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the primary equipment diagnostic from: high_filter_pressure_drop, high_jacket_temperature, low_feed_delivery, low_offline_ph, low_oxygen_transfer, unexpected_antifoam_addition. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 277.971, "airflow_vvm": 0.293, "cer_mmol_l_h": 6.03, "dissolved_oxygen_pct": 36.228, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.018, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.831, "our_mmol_l_h": 6.534, "ph": 6.976, "phase": "production", "temperature_c": 35.808, "viability_pct": 98.365, "viable_cell_density_million_ml": 19.19}, {"agitation_rpm": 284.093, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.43, "dissolved_oxygen_pct": 35.635, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.973, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.744, "our_mmol_l_h": 6.983, "ph": 6.972, "phase": "production", "temperature_c": 35.799, "viability_pct": 98.421, "viable_cell_density_million_ml": 20.494}, {"agitation_rpm": 285.899, "airflow_vvm": 0.301, "cer_mmol_l_h": 6.881, "dissolved_oxygen_pct": 36.545, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.925, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.607, "our_mmol_l_h": 6.976, "ph": 6.971, "phase": "production", "temperature_c": 35.801, "viability_pct": 98.384, "viable_cell_density_million_ml": 21.586}, {"agitation_rpm": 284.418, "airflow_vvm": 0.301, "cer_mmol_l_h": 7.218, "dissolved_oxygen_pct": 36.082, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.573, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.474, "our_mmol_l_h": 6.631, "ph": 6.978, "phase": "production", "temperature_c": 35.784, "viability_pct": 96.538, "viable_cell_density_million_ml": 21.94}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Diagnose the cause and intervention. Choose cause from antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion and intervention from compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return JSON with exactly the keys cause and intervention. JSON whitespace is ignored.

Trajectory excerpt:
[{"agitation_rpm": 277.971, "airflow_vvm": 0.293, "cer_mmol_l_h": 6.03, "dissolved_oxygen_pct": 36.228, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.018, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.831, "our_mmol_l_h": 6.534, "ph": 6.976, "phase": "production", "temperature_c": 35.808, "viability_pct": 98.365, "viable_cell_density_million_ml": 19.19}, {"agitation_rpm": 284.093, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.43, "dissolved_oxygen_pct": 35.635, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.973, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.744, "our_mmol_l_h": 6.983, "ph": 6.972, "phase": "production", "temperature_c": 35.799, "viability_pct": 98.421, "viable_cell_density_million_ml": 20.494}, {"agitation_rpm": 285.899, "airflow_vvm": 0.301, "cer_mmol_l_h": 6.881, "dissolved_oxygen_pct": 36.545, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.925, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.607, "our_mmol_l_h": 6.976, "ph": 6.971, "phase": "production", "temperature_c": 35.801, "viability_pct": 98.384, "viable_cell_density_million_ml": 21.586}, {"agitation_rpm": 284.418, "airflow_vvm": 0.301, "cer_mmol_l_h": 7.218, "dissolved_oxygen_pct": 36.082, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.573, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.474, "our_mmol_l_h": 6.631, "ph": 6.978, "phase": "production", "temperature_c": 35.784, "viability_pct": 96.538, "viable_cell_density_million_ml": 21.94}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the causal label from: antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 277.971, "airflow_vvm": 0.293, "cer_mmol_l_h": 6.03, "dissolved_oxygen_pct": 36.228, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.018, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.831, "our_mmol_l_h": 6.534, "ph": 6.976, "phase": "production", "temperature_c": 35.808, "viability_pct": 98.365, "viable_cell_density_million_ml": 19.19}, {"agitation_rpm": 284.093, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.43, "dissolved_oxygen_pct": 35.635, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.973, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.744, "our_mmol_l_h": 6.983, "ph": 6.972, "phase": "production", "temperature_c": 35.799, "viability_pct": 98.421, "viable_cell_density_million_ml": 20.494}, {"agitation_rpm": 285.899, "airflow_vvm": 0.301, "cer_mmol_l_h": 6.881, "dissolved_oxygen_pct": 36.545, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.925, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.607, "our_mmol_l_h": 6.976, "ph": 6.971, "phase": "production", "temperature_c": 35.801, "viability_pct": 98.384, "viable_cell_density_million_ml": 21.586}, {"agitation_rpm": 284.418, "airflow_vvm": 0.301, "cer_mmol_l_h": 7.218, "dissolved_oxygen_pct": 36.082, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.573, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.474, "our_mmol_l_h": 6.631, "ph": 6.978, "phase": "production", "temperature_c": 35.784, "viability_pct": 96.538, "viable_cell_density_million_ml": 21.94}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the intervention label from: compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 277.971, "airflow_vvm": 0.293, "cer_mmol_l_h": 6.03, "dissolved_oxygen_pct": 36.228, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.018, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.831, "our_mmol_l_h": 6.534, "ph": 6.976, "phase": "production", "temperature_c": 35.808, "viability_pct": 98.365, "viable_cell_density_million_ml": 19.19}, {"agitation_rpm": 284.093, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.43, "dissolved_oxygen_pct": 35.635, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.973, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.744, "our_mmol_l_h": 6.983, "ph": 6.972, "phase": "production", "temperature_c": 35.799, "viability_pct": 98.421, "viable_cell_density_million_ml": 20.494}, {"agitation_rpm": 285.899, "airflow_vvm": 0.301, "cer_mmol_l_h": 6.881, "dissolved_oxygen_pct": 36.545, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.925, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.607, "our_mmol_l_h": 6.976, "ph": 6.971, "phase": "production", "temperature_c": 35.801, "viability_pct": 98.384, "viable_cell_density_million_ml": 21.586}, {"agitation_rpm": 284.418, "airflow_vvm": 0.301, "cer_mmol_l_h": 7.218, "dissolved_oxygen_pct": 36.082, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.573, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.474, "our_mmol_l_h": 6.631, "ph": 6.978, "phase": "production", "temperature_c": 35.784, "viability_pct": 96.538, "viable_cell_density_million_ml": 21.94}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the primary equipment diagnostic from: high_filter_pressure_drop, high_jacket_temperature, low_feed_delivery, low_offline_ph, low_oxygen_transfer, unexpected_antifoam_addition. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 226.442, "airflow_vvm": 0.232, "cer_mmol_l_h": 4.257, "dissolved_oxygen_pct": 38.587, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.15, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 2.027, "our_mmol_l_h": 4.585, "ph": 6.957, "phase": "exponential", "temperature_c": 36.787, "viability_pct": 98.606, "viable_cell_density_million_ml": 13.494}, {"agitation_rpm": 246.283, "airflow_vvm": 0.25, "cer_mmol_l_h": 4.906, "dissolved_oxygen_pct": 38.408, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.124, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.956, "our_mmol_l_h": 5.307, "ph": 6.966, "phase": "exponential", "temperature_c": 36.807, "viability_pct": 98.497, "viable_cell_density_million_ml": 15.691}, {"agitation_rpm": 269.822, "airflow_vvm": 0.231, "cer_mmol_l_h": 5.774, "dissolved_oxygen_pct": 29.186, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 4.005, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.863, "our_mmol_l_h": 6.269, "ph": 6.972, "phase": "production", "temperature_c": 35.82, "viability_pct": 98.421, "viable_cell_density_million_ml": 18.439}, {"agitation_rpm": 284.205, "airflow_vvm": 0.178, "cer_mmol_l_h": 6.624, "dissolved_oxygen_pct": 18.927, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.976, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.688, "our_mmol_l_h": 7.158, "ph": 6.978, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.406, "viable_cell_density_million_ml": 21.138}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Diagnose the cause and intervention. Choose cause from antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion and intervention from compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return JSON with exactly the keys cause and intervention. JSON whitespace is ignored.

Trajectory excerpt:
[{"agitation_rpm": 226.442, "airflow_vvm": 0.232, "cer_mmol_l_h": 4.257, "dissolved_oxygen_pct": 38.587, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.15, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 2.027, "our_mmol_l_h": 4.585, "ph": 6.957, "phase": "exponential", "temperature_c": 36.787, "viability_pct": 98.606, "viable_cell_density_million_ml": 13.494}, {"agitation_rpm": 246.283, "airflow_vvm": 0.25, "cer_mmol_l_h": 4.906, "dissolved_oxygen_pct": 38.408, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.124, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.956, "our_mmol_l_h": 5.307, "ph": 6.966, "phase": "exponential", "temperature_c": 36.807, "viability_pct": 98.497, "viable_cell_density_million_ml": 15.691}, {"agitation_rpm": 269.822, "airflow_vvm": 0.231, "cer_mmol_l_h": 5.774, "dissolved_oxygen_pct": 29.186, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 4.005, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.863, "our_mmol_l_h": 6.269, "ph": 6.972, "phase": "production", "temperature_c": 35.82, "viability_pct": 98.421, "viable_cell_density_million_ml": 18.439}, {"agitation_rpm": 284.205, "airflow_vvm": 0.178, "cer_mmol_l_h": 6.624, "dissolved_oxygen_pct": 18.927, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.976, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.688, "our_mmol_l_h": 7.158, "ph": 6.978, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.406, "viable_cell_density_million_ml": 21.138}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the causal label from: antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 226.442, "airflow_vvm": 0.232, "cer_mmol_l_h": 4.257, "dissolved_oxygen_pct": 38.587, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.15, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 2.027, "our_mmol_l_h": 4.585, "ph": 6.957, "phase": "exponential", "temperature_c": 36.787, "viability_pct": 98.606, "viable_cell_density_million_ml": 13.494}, {"agitation_rpm": 246.283, "airflow_vvm": 0.25, "cer_mmol_l_h": 4.906, "dissolved_oxygen_pct": 38.408, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.124, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.956, "our_mmol_l_h": 5.307, "ph": 6.966, "phase": "exponential", "temperature_c": 36.807, "viability_pct": 98.497, "viable_cell_density_million_ml": 15.691}, {"agitation_rpm": 269.822, "airflow_vvm": 0.231, "cer_mmol_l_h": 5.774, "dissolved_oxygen_pct": 29.186, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 4.005, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.863, "our_mmol_l_h": 6.269, "ph": 6.972, "phase": "production", "temperature_c": 35.82, "viability_pct": 98.421, "viable_cell_density_million_ml": 18.439}, {"agitation_rpm": 284.205, "airflow_vvm": 0.178, "cer_mmol_l_h": 6.624, "dissolved_oxygen_pct": 18.927, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.976, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.688, "our_mmol_l_h": 7.158, "ph": 6.978, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.406, "viable_cell_density_million_ml": 21.138}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the intervention label from: compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 226.442, "airflow_vvm": 0.232, "cer_mmol_l_h": 4.257, "dissolved_oxygen_pct": 38.587, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.15, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 2.027, "our_mmol_l_h": 4.585, "ph": 6.957, "phase": "exponential", "temperature_c": 36.787, "viability_pct": 98.606, "viable_cell_density_million_ml": 13.494}, {"agitation_rpm": 246.283, "airflow_vvm": 0.25, "cer_mmol_l_h": 4.906, "dissolved_oxygen_pct": 38.408, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.124, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.956, "our_mmol_l_h": 5.307, "ph": 6.966, "phase": "exponential", "temperature_c": 36.807, "viability_pct": 98.497, "viable_cell_density_million_ml": 15.691}, {"agitation_rpm": 269.822, "airflow_vvm": 0.231, "cer_mmol_l_h": 5.774, "dissolved_oxygen_pct": 29.186, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 4.005, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.863, "our_mmol_l_h": 6.269, "ph": 6.972, "phase": "production", "temperature_c": 35.82, "viability_pct": 98.421, "viable_cell_density_million_ml": 18.439}, {"agitation_rpm": 284.205, "airflow_vvm": 0.178, "cer_mmol_l_h": 6.624, "dissolved_oxygen_pct": 18.927, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.976, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.688, "our_mmol_l_h": 7.158, "ph": 6.978, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.406, "viable_cell_density_million_ml": 21.138}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the primary equipment diagnostic from: high_filter_pressure_drop, high_jacket_temperature, low_feed_delivery, low_offline_ph, low_oxygen_transfer, unexpected_antifoam_addition. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 252.335, "airflow_vvm": 0.261, "cer_mmol_l_h": 5.096, "dissolved_oxygen_pct": 38.071, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.474, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.252, "our_mmol_l_h": 5.543, "ph": 6.987, "phase": "exponential", "temperature_c": 36.781, "viability_pct": 98.807, "viable_cell_density_million_ml": 16.389}, {"agitation_rpm": 281.231, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.066, "dissolved_oxygen_pct": 36.421, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.394, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.218, "our_mmol_l_h": 6.59, "ph": 6.996, "phase": "exponential", "temperature_c": 36.816, "viability_pct": 98.752, "viable_cell_density_million_ml": 19.524}, {"agitation_rpm": 284.176, "airflow_vvm": 0.298, "cer_mmol_l_h": 7.539, "dissolved_oxygen_pct": 36.794, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.41, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.144, "our_mmol_l_h": 7.666, "ph": 7.004, "phase": "production", "temperature_c": 35.814, "viability_pct": 98.785, "viable_cell_density_million_ml": 23.596}, {"agitation_rpm": 285.969, "airflow_vvm": 0.297, "cer_mmol_l_h": 9.214, "dissolved_oxygen_pct": 36.112, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.232, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.086, "our_mmol_l_h": 8.815, "ph": 7.003, "phase": "production", "temperature_c": 35.777, "viability_pct": 98.773, "viable_cell_density_million_ml": 28.478}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Diagnose the cause and intervention. Choose cause from antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion and intervention from compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return JSON with exactly the keys cause and intervention. JSON whitespace is ignored.

Trajectory excerpt:
[{"agitation_rpm": 252.335, "airflow_vvm": 0.261, "cer_mmol_l_h": 5.096, "dissolved_oxygen_pct": 38.071, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.474, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.252, "our_mmol_l_h": 5.543, "ph": 6.987, "phase": "exponential", "temperature_c": 36.781, "viability_pct": 98.807, "viable_cell_density_million_ml": 16.389}, {"agitation_rpm": 281.231, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.066, "dissolved_oxygen_pct": 36.421, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.394, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.218, "our_mmol_l_h": 6.59, "ph": 6.996, "phase": "exponential", "temperature_c": 36.816, "viability_pct": 98.752, "viable_cell_density_million_ml": 19.524}, {"agitation_rpm": 284.176, "airflow_vvm": 0.298, "cer_mmol_l_h": 7.539, "dissolved_oxygen_pct": 36.794, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.41, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.144, "our_mmol_l_h": 7.666, "ph": 7.004, "phase": "production", "temperature_c": 35.814, "viability_pct": 98.785, "viable_cell_density_million_ml": 23.596}, {"agitation_rpm": 285.969, "airflow_vvm": 0.297, "cer_mmol_l_h": 9.214, "dissolved_oxygen_pct": 36.112, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.232, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.086, "our_mmol_l_h": 8.815, "ph": 7.003, "phase": "production", "temperature_c": 35.777, "viability_pct": 98.773, "viable_cell_density_million_ml": 28.478}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the causal label from: antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 252.335, "airflow_vvm": 0.261, "cer_mmol_l_h": 5.096, "dissolved_oxygen_pct": 38.071, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.474, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.252, "our_mmol_l_h": 5.543, "ph": 6.987, "phase": "exponential", "temperature_c": 36.781, "viability_pct": 98.807, "viable_cell_density_million_ml": 16.389}, {"agitation_rpm": 281.231, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.066, "dissolved_oxygen_pct": 36.421, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.394, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.218, "our_mmol_l_h": 6.59, "ph": 6.996, "phase": "exponential", "temperature_c": 36.816, "viability_pct": 98.752, "viable_cell_density_million_ml": 19.524}, {"agitation_rpm": 284.176, "airflow_vvm": 0.298, "cer_mmol_l_h": 7.539, "dissolved_oxygen_pct": 36.794, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.41, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.144, "our_mmol_l_h": 7.666, "ph": 7.004, "phase": "production", "temperature_c": 35.814, "viability_pct": 98.785, "viable_cell_density_million_ml": 23.596}, {"agitation_rpm": 285.969, "airflow_vvm": 0.297, "cer_mmol_l_h": 9.214, "dissolved_oxygen_pct": 36.112, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.232, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.086, "our_mmol_l_h": 8.815, "ph": 7.003, "phase": "production", "temperature_c": 35.777, "viability_pct": 98.773, "viable_cell_density_million_ml": 28.478}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the intervention label from: compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 252.335, "airflow_vvm": 0.261, "cer_mmol_l_h": 5.096, "dissolved_oxygen_pct": 38.071, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.474, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.252, "our_mmol_l_h": 5.543, "ph": 6.987, "phase": "exponential", "temperature_c": 36.781, "viability_pct": 98.807, "viable_cell_density_million_ml": 16.389}, {"agitation_rpm": 281.231, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.066, "dissolved_oxygen_pct": 36.421, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.394, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.218, "our_mmol_l_h": 6.59, "ph": 6.996, "phase": "exponential", "temperature_c": 36.816, "viability_pct": 98.752, "viable_cell_density_million_ml": 19.524}, {"agitation_rpm": 284.176, "airflow_vvm": 0.298, "cer_mmol_l_h": 7.539, "dissolved_oxygen_pct": 36.794, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.41, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.144, "our_mmol_l_h": 7.666, "ph": 7.004, "phase": "production", "temperature_c": 35.814, "viability_pct": 98.785, "viable_cell_density_million_ml": 23.596}, {"agitation_rpm": 285.969, "airflow_vvm": 0.297, "cer_mmol_l_h": 9.214, "dissolved_oxygen_pct": 36.112, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.232, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.086, "our_mmol_l_h": 8.815, "ph": 7.003, "phase": "production", "temperature_c": 35.777, "viability_pct": 98.773, "viable_cell_density_million_ml": 28.478}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the primary equipment diagnostic from: high_filter_pressure_drop, high_jacket_temperature, low_feed_delivery, low_offline_ph, low_oxygen_transfer, unexpected_antifoam_addition. Return exactly one listed label.

Trajectory excerpt:
[{"agitation_rpm": 213.106, "airflow_vvm": 0.214, "cer_mmol_l_h": 3.768, "dissolved_oxygen_pct": 40.479, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.562, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.242, "our_mmol_l_h": 4.076, "ph": 6.992, "phase": "exponential", "temperature_c": 36.786, "viability_pct": 98.67, "viable_cell_density_million_ml": 11.935}, {"agitation_rpm": 237.431, "airflow_vvm": 0.245, "cer_mmol_l_h": 4.656, "dissolved_oxygen_pct": 38.335, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.505, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.228, "our_mmol_l_h": 5.037, "ph": 6.998, "phase": "exponential", "temperature_c": 36.822, "viability_pct": 98.65, "viable_cell_density_million_ml": 14.863}, {"agitation_rpm": 279.488, "airflow_vvm": 0.242, "cer_mmol_l_h": 6.103, "dissolved_oxygen_pct": 29.283, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.412, "hour": 84.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.224, "our_mmol_l_h": 6.59, "ph": 6.995, "phase": "exponential", "temperature_c": 36.819, "viability_pct": 98.919, "viable_cell_density_million_ml": 19.511}, {"agitation_rpm": 284.496, "airflow_vvm": 0.182, "cer_mmol_l_h": 8.009, "dissolved_oxygen_pct": 17.928, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.359, "hour": 100.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.15, "our_mmol_l_h": 8.68, "ph": 6.996, "phase": "production", "temperature_c": 35.797, "viability_pct": 98.745, "viable_cell_density_million_ml": 25.598}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Diagnose the cause and intervention. Choose cause from antifoam_overdose, feed_interruption, feed_line_occlusion, gas_filter_restriction, ph_probe_bias, temperature_excursion and intervention from compare_at_line_ph, replace_feed_line, restore_feed_profile, restore_temperature_control, stop_antifoam_and_verify_transfer, switch_to_redundant_gas_path. Return JSON with exactly the keys cause and intervention. JSON whitespace is ignored.

Trajectory excerpt:
[{"agitation_rpm": 213.106, "airflow_vvm": 0.214, "cer_mmol_l_h": 3.768, "dissolved_oxygen_pct": 40.479, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.562, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.242, "our_mmol_l_h": 4.076, "ph": 6.992, "phase": "exponential", "temperature_c": 36.786, "viability_pct": 98.67, "viable_cell_density_million_ml": 11.935}, {"agitation_rpm": 237.431, "airflow_vvm": 0.245, "cer_mmol_l_h": 4.656, "dissolved_oxygen_pct": 38.335, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.505, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.228, "our_mmol_l_h": 5.037, "ph": 6.998, "phase": "exponential", "temperature_c": 36.822, "viability_pct": 98.65, "viable_cell_density_million_ml": 14.863}, {"agitation_rpm": 279.488, "airflow_vvm": 0.242, "cer_mmol_l_h": 6.103, "dissolved_oxygen_pct": 29.283, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.412, "hour": 84.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.224, "our_mmol_l_h": 6.59, "ph": 6.995, "phase": "exponential", "temperature_c": 36.819, "viability_pct": 98.919, "viable_cell_density_million_ml": 19.511}, {"agitation_rpm": 284.496, "airflow_vvm": 0.182, "cer_mmol_l_h": 8.009, "dissolved_oxygen_pct": 17.928, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.359, "hour": 100.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.15, "our_mmol_l_h": 8.68, "ph": 6.996, "phase": "production", "temperature_c": 35.797, "viability_pct": 98.745, "viable_cell_density_million_ml": 25.598}]