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": 277.211, "airflow_vvm": 0.291, "cer_mmol_l_h": 6.035, "dissolved_oxygen_pct": 36.387, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.031, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.82, "our_mmol_l_h": 6.507, "ph": 6.97, "phase": "production", "temperature_c": 35.808, "viability_pct": 98.456, "viable_cell_density_million_ml": 19.151}, {"agitation_rpm": 285.267, "airflow_vvm": 0.3, "cer_mmol_l_h": 6.424, "dissolved_oxygen_pct": 36.111, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.993, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.741, "our_mmol_l_h": 7.004, "ph": 6.969, "phase": "production", "temperature_c": 35.823, "viability_pct": 98.553, "viable_cell_density_million_ml": 20.553}, {"agitation_rpm": 286.172, "airflow_vvm": 0.303, "cer_mmol_l_h": 6.898, "dissolved_oxygen_pct": 36.165, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.934, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.605, "our_mmol_l_h": 6.949, "ph": 6.975, "phase": "production", "temperature_c": 35.79, "viability_pct": 98.409, "viable_cell_density_million_ml": 21.604}, {"agitation_rpm": 285.754, "airflow_vvm": 0.301, "cer_mmol_l_h": 7.166, "dissolved_oxygen_pct": 36.941, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.616, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.483, "our_mmol_l_h": 6.636, "ph": 6.989, "phase": "production", "temperature_c": 35.816, "viability_pct": 96.715, "viable_cell_density_million_ml": 21.972}]


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": 196.692, "airflow_vvm": 0.192, "cer_mmol_l_h": 3.212, "dissolved_oxygen_pct": 41.118, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.463, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.733, "our_mmol_l_h": 3.501, "ph": 6.964, "phase": "exponential", "temperature_c": 36.811, "viability_pct": 98.628, "viable_cell_density_million_ml": 10.284}, {"agitation_rpm": 217.509, "airflow_vvm": 0.219, "cer_mmol_l_h": 3.879, "dissolved_oxygen_pct": 39.698, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.184, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.93, "our_mmol_l_h": 4.247, "ph": 6.968, "phase": "exponential", "temperature_c": 36.805, "viability_pct": 98.473, "viable_cell_density_million_ml": 12.418}, {"agitation_rpm": 246.04, "airflow_vvm": 0.199, "cer_mmol_l_h": 4.884, "dissolved_oxygen_pct": 29.972, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 4.109, "hour": 84.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.946, "our_mmol_l_h": 5.322, "ph": 6.958, "phase": "exponential", "temperature_c": 36.814, "viability_pct": 98.464, "viable_cell_density_million_ml": 15.577}, {"agitation_rpm": 277.31, "airflow_vvm": 0.171, "cer_mmol_l_h": 6.029, "dissolved_oxygen_pct": 18.364, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 4.006, "hour": 100.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.815, "our_mmol_l_h": 6.509, "ph": 6.967, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.353, "viable_cell_density_million_ml": 19.152}]


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": 196.692, "airflow_vvm": 0.192, "cer_mmol_l_h": 3.212, "dissolved_oxygen_pct": 41.118, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.463, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.733, "our_mmol_l_h": 3.501, "ph": 6.964, "phase": "exponential", "temperature_c": 36.811, "viability_pct": 98.628, "viable_cell_density_million_ml": 10.284}, {"agitation_rpm": 217.509, "airflow_vvm": 0.219, "cer_mmol_l_h": 3.879, "dissolved_oxygen_pct": 39.698, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.184, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.93, "our_mmol_l_h": 4.247, "ph": 6.968, "phase": "exponential", "temperature_c": 36.805, "viability_pct": 98.473, "viable_cell_density_million_ml": 12.418}, {"agitation_rpm": 246.04, "airflow_vvm": 0.199, "cer_mmol_l_h": 4.884, "dissolved_oxygen_pct": 29.972, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 4.109, "hour": 84.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.946, "our_mmol_l_h": 5.322, "ph": 6.958, "phase": "exponential", "temperature_c": 36.814, "viability_pct": 98.464, "viable_cell_density_million_ml": 15.577}, {"agitation_rpm": 277.31, "airflow_vvm": 0.171, "cer_mmol_l_h": 6.029, "dissolved_oxygen_pct": 18.364, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 4.006, "hour": 100.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.815, "our_mmol_l_h": 6.509, "ph": 6.967, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.353, "viable_cell_density_million_ml": 19.152}]


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": 196.692, "airflow_vvm": 0.192, "cer_mmol_l_h": 3.212, "dissolved_oxygen_pct": 41.118, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.463, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.733, "our_mmol_l_h": 3.501, "ph": 6.964, "phase": "exponential", "temperature_c": 36.811, "viability_pct": 98.628, "viable_cell_density_million_ml": 10.284}, {"agitation_rpm": 217.509, "airflow_vvm": 0.219, "cer_mmol_l_h": 3.879, "dissolved_oxygen_pct": 39.698, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.184, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.93, "our_mmol_l_h": 4.247, "ph": 6.968, "phase": "exponential", "temperature_c": 36.805, "viability_pct": 98.473, "viable_cell_density_million_ml": 12.418}, {"agitation_rpm": 246.04, "airflow_vvm": 0.199, "cer_mmol_l_h": 4.884, "dissolved_oxygen_pct": 29.972, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 4.109, "hour": 84.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.946, "our_mmol_l_h": 5.322, "ph": 6.958, "phase": "exponential", "temperature_c": 36.814, "viability_pct": 98.464, "viable_cell_density_million_ml": 15.577}, {"agitation_rpm": 277.31, "airflow_vvm": 0.171, "cer_mmol_l_h": 6.029, "dissolved_oxygen_pct": 18.364, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 4.006, "hour": 100.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.815, "our_mmol_l_h": 6.509, "ph": 6.967, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.353, "viable_cell_density_million_ml": 19.152}]


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": 196.692, "airflow_vvm": 0.192, "cer_mmol_l_h": 3.212, "dissolved_oxygen_pct": 41.118, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.463, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.733, "our_mmol_l_h": 3.501, "ph": 6.964, "phase": "exponential", "temperature_c": 36.811, "viability_pct": 98.628, "viable_cell_density_million_ml": 10.284}, {"agitation_rpm": 217.509, "airflow_vvm": 0.219, "cer_mmol_l_h": 3.879, "dissolved_oxygen_pct": 39.698, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.184, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.93, "our_mmol_l_h": 4.247, "ph": 6.968, "phase": "exponential", "temperature_c": 36.805, "viability_pct": 98.473, "viable_cell_density_million_ml": 12.418}, {"agitation_rpm": 246.04, "airflow_vvm": 0.199, "cer_mmol_l_h": 4.884, "dissolved_oxygen_pct": 29.972, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 4.109, "hour": 84.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.946, "our_mmol_l_h": 5.322, "ph": 6.958, "phase": "exponential", "temperature_c": 36.814, "viability_pct": 98.464, "viable_cell_density_million_ml": 15.577}, {"agitation_rpm": 277.31, "airflow_vvm": 0.171, "cer_mmol_l_h": 6.029, "dissolved_oxygen_pct": 18.364, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 4.006, "hour": 100.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.815, "our_mmol_l_h": 6.509, "ph": 6.967, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.353, "viable_cell_density_million_ml": 19.152}]


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": 285.43, "airflow_vvm": 0.301, "cer_mmol_l_h": 6.585, "dissolved_oxygen_pct": 35.886, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.336, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.178, "our_mmol_l_h": 7.137, "ph": 6.995, "phase": "exponential", "temperature_c": 36.791, "viability_pct": 98.859, "viable_cell_density_million_ml": 20.986}, {"agitation_rpm": 285.717, "airflow_vvm": 0.302, "cer_mmol_l_h": 7.524, "dissolved_oxygen_pct": 35.646, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.325, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.156, "our_mmol_l_h": 8.224, "ph": 6.991, "phase": "production", "temperature_c": 35.821, "viability_pct": 98.674, "viable_cell_density_million_ml": 24.178}, {"agitation_rpm": 284.053, "airflow_vvm": 0.298, "cer_mmol_l_h": 8.803, "dissolved_oxygen_pct": 36.725, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.473, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.089, "our_mmol_l_h": 9.085, "ph": 6.995, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.794, "viable_cell_density_million_ml": 27.828}, {"agitation_rpm": 284.736, "airflow_vvm": 0.299, "cer_mmol_l_h": 10.164, "dissolved_oxygen_pct": 36.389, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.37, "hour": 124.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.032, "our_mmol_l_h": 9.823, "ph": 7.004, "phase": "production", "temperature_c": 35.801, "viability_pct": 98.821, "viable_cell_density_million_ml": 31.49}]


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": 285.43, "airflow_vvm": 0.301, "cer_mmol_l_h": 6.585, "dissolved_oxygen_pct": 35.886, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.336, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.178, "our_mmol_l_h": 7.137, "ph": 6.995, "phase": "exponential", "temperature_c": 36.791, "viability_pct": 98.859, "viable_cell_density_million_ml": 20.986}, {"agitation_rpm": 285.717, "airflow_vvm": 0.302, "cer_mmol_l_h": 7.524, "dissolved_oxygen_pct": 35.646, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.325, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.156, "our_mmol_l_h": 8.224, "ph": 6.991, "phase": "production", "temperature_c": 35.821, "viability_pct": 98.674, "viable_cell_density_million_ml": 24.178}, {"agitation_rpm": 284.053, "airflow_vvm": 0.298, "cer_mmol_l_h": 8.803, "dissolved_oxygen_pct": 36.725, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.473, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.089, "our_mmol_l_h": 9.085, "ph": 6.995, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.794, "viable_cell_density_million_ml": 27.828}, {"agitation_rpm": 284.736, "airflow_vvm": 0.299, "cer_mmol_l_h": 10.164, "dissolved_oxygen_pct": 36.389, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.37, "hour": 124.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.032, "our_mmol_l_h": 9.823, "ph": 7.004, "phase": "production", "temperature_c": 35.801, "viability_pct": 98.821, "viable_cell_density_million_ml": 31.49}]


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": 285.43, "airflow_vvm": 0.301, "cer_mmol_l_h": 6.585, "dissolved_oxygen_pct": 35.886, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.336, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.178, "our_mmol_l_h": 7.137, "ph": 6.995, "phase": "exponential", "temperature_c": 36.791, "viability_pct": 98.859, "viable_cell_density_million_ml": 20.986}, {"agitation_rpm": 285.717, "airflow_vvm": 0.302, "cer_mmol_l_h": 7.524, "dissolved_oxygen_pct": 35.646, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.325, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.156, "our_mmol_l_h": 8.224, "ph": 6.991, "phase": "production", "temperature_c": 35.821, "viability_pct": 98.674, "viable_cell_density_million_ml": 24.178}, {"agitation_rpm": 284.053, "airflow_vvm": 0.298, "cer_mmol_l_h": 8.803, "dissolved_oxygen_pct": 36.725, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.473, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.089, "our_mmol_l_h": 9.085, "ph": 6.995, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.794, "viable_cell_density_million_ml": 27.828}, {"agitation_rpm": 284.736, "airflow_vvm": 0.299, "cer_mmol_l_h": 10.164, "dissolved_oxygen_pct": 36.389, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.37, "hour": 124.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.032, "our_mmol_l_h": 9.823, "ph": 7.004, "phase": "production", "temperature_c": 35.801, "viability_pct": 98.821, "viable_cell_density_million_ml": 31.49}]


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": 285.43, "airflow_vvm": 0.301, "cer_mmol_l_h": 6.585, "dissolved_oxygen_pct": 35.886, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.336, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.178, "our_mmol_l_h": 7.137, "ph": 6.995, "phase": "exponential", "temperature_c": 36.791, "viability_pct": 98.859, "viable_cell_density_million_ml": 20.986}, {"agitation_rpm": 285.717, "airflow_vvm": 0.302, "cer_mmol_l_h": 7.524, "dissolved_oxygen_pct": 35.646, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.325, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.156, "our_mmol_l_h": 8.224, "ph": 6.991, "phase": "production", "temperature_c": 35.821, "viability_pct": 98.674, "viable_cell_density_million_ml": 24.178}, {"agitation_rpm": 284.053, "airflow_vvm": 0.298, "cer_mmol_l_h": 8.803, "dissolved_oxygen_pct": 36.725, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.473, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.089, "our_mmol_l_h": 9.085, "ph": 6.995, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.794, "viable_cell_density_million_ml": 27.828}, {"agitation_rpm": 284.736, "airflow_vvm": 0.299, "cer_mmol_l_h": 10.164, "dissolved_oxygen_pct": 36.389, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.37, "hour": 124.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.032, "our_mmol_l_h": 9.823, "ph": 7.004, "phase": "production", "temperature_c": 35.801, "viability_pct": 98.821, "viable_cell_density_million_ml": 31.49}]


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": 283.908, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.974, "dissolved_oxygen_pct": 36.39, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.384, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.141, "our_mmol_l_h": 8.667, "ph": 7.002, "phase": "production", "temperature_c": 35.806, "viability_pct": 98.723, "viable_cell_density_million_ml": 25.547}, {"agitation_rpm": 285.589, "airflow_vvm": 0.302, "cer_mmol_l_h": 8.816, "dissolved_oxygen_pct": 36.395, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.379, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.114, "our_mmol_l_h": 9.622, "ph": 6.995, "phase": "production", "temperature_c": 35.797, "viability_pct": 98.734, "viable_cell_density_million_ml": 28.289}, {"agitation_rpm": 284.716, "airflow_vvm": 0.249, "cer_mmol_l_h": 9.856, "dissolved_oxygen_pct": 28.412, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.569, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.048, "our_mmol_l_h": 10.727, "ph": 7.01, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.86, "viable_cell_density_million_ml": 31.531}, {"agitation_rpm": 286.059, "airflow_vvm": 0.182, "cer_mmol_l_h": 10.822, "dissolved_oxygen_pct": 18.308, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.692, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 0.985, "our_mmol_l_h": 11.768, "ph": 7.007, "phase": "production", "temperature_c": 35.782, "viability_pct": 98.886, "viable_cell_density_million_ml": 34.488}]


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": 283.908, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.974, "dissolved_oxygen_pct": 36.39, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.384, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.141, "our_mmol_l_h": 8.667, "ph": 7.002, "phase": "production", "temperature_c": 35.806, "viability_pct": 98.723, "viable_cell_density_million_ml": 25.547}, {"agitation_rpm": 285.589, "airflow_vvm": 0.302, "cer_mmol_l_h": 8.816, "dissolved_oxygen_pct": 36.395, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.379, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.114, "our_mmol_l_h": 9.622, "ph": 6.995, "phase": "production", "temperature_c": 35.797, "viability_pct": 98.734, "viable_cell_density_million_ml": 28.289}, {"agitation_rpm": 284.716, "airflow_vvm": 0.249, "cer_mmol_l_h": 9.856, "dissolved_oxygen_pct": 28.412, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.569, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.048, "our_mmol_l_h": 10.727, "ph": 7.01, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.86, "viable_cell_density_million_ml": 31.531}, {"agitation_rpm": 286.059, "airflow_vvm": 0.182, "cer_mmol_l_h": 10.822, "dissolved_oxygen_pct": 18.308, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.692, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 0.985, "our_mmol_l_h": 11.768, "ph": 7.007, "phase": "production", "temperature_c": 35.782, "viability_pct": 98.886, "viable_cell_density_million_ml": 34.488}]


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": 283.908, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.974, "dissolved_oxygen_pct": 36.39, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.384, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.141, "our_mmol_l_h": 8.667, "ph": 7.002, "phase": "production", "temperature_c": 35.806, "viability_pct": 98.723, "viable_cell_density_million_ml": 25.547}, {"agitation_rpm": 285.589, "airflow_vvm": 0.302, "cer_mmol_l_h": 8.816, "dissolved_oxygen_pct": 36.395, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.379, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.114, "our_mmol_l_h": 9.622, "ph": 6.995, "phase": "production", "temperature_c": 35.797, "viability_pct": 98.734, "viable_cell_density_million_ml": 28.289}, {"agitation_rpm": 284.716, "airflow_vvm": 0.249, "cer_mmol_l_h": 9.856, "dissolved_oxygen_pct": 28.412, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.569, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.048, "our_mmol_l_h": 10.727, "ph": 7.01, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.86, "viable_cell_density_million_ml": 31.531}, {"agitation_rpm": 286.059, "airflow_vvm": 0.182, "cer_mmol_l_h": 10.822, "dissolved_oxygen_pct": 18.308, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.692, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 0.985, "our_mmol_l_h": 11.768, "ph": 7.007, "phase": "production", "temperature_c": 35.782, "viability_pct": 98.886, "viable_cell_density_million_ml": 34.488}]


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": 283.908, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.974, "dissolved_oxygen_pct": 36.39, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.384, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.141, "our_mmol_l_h": 8.667, "ph": 7.002, "phase": "production", "temperature_c": 35.806, "viability_pct": 98.723, "viable_cell_density_million_ml": 25.547}, {"agitation_rpm": 285.589, "airflow_vvm": 0.302, "cer_mmol_l_h": 8.816, "dissolved_oxygen_pct": 36.395, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.379, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.114, "our_mmol_l_h": 9.622, "ph": 6.995, "phase": "production", "temperature_c": 35.797, "viability_pct": 98.734, "viable_cell_density_million_ml": 28.289}, {"agitation_rpm": 284.716, "airflow_vvm": 0.249, "cer_mmol_l_h": 9.856, "dissolved_oxygen_pct": 28.412, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.569, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.048, "our_mmol_l_h": 10.727, "ph": 7.01, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.86, "viable_cell_density_million_ml": 31.531}, {"agitation_rpm": 286.059, "airflow_vvm": 0.182, "cer_mmol_l_h": 10.822, "dissolved_oxygen_pct": 18.308, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.692, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 0.985, "our_mmol_l_h": 11.768, "ph": 7.007, "phase": "production", "temperature_c": 35.782, "viability_pct": 98.886, "viable_cell_density_million_ml": 34.488}]


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": 254.57, "airflow_vvm": 0.262, "cer_mmol_l_h": 5.219, "dissolved_oxygen_pct": 37.332, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.075, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.894, "our_mmol_l_h": 5.627, "ph": 6.968, "phase": "exponential", "temperature_c": 36.805, "viability_pct": 98.598, "viable_cell_density_million_ml": 16.623}, {"agitation_rpm": 270.664, "airflow_vvm": 0.284, "cer_mmol_l_h": 5.748, "dissolved_oxygen_pct": 35.997, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.045, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.837, "our_mmol_l_h": 6.286, "ph": 6.961, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.503, "viable_cell_density_million_ml": 18.352}, {"agitation_rpm": 285.948, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.43, "dissolved_oxygen_pct": 36.073, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.02, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.725, "our_mmol_l_h": 6.45, "ph": 6.973, "phase": "production", "temperature_c": 35.822, "viability_pct": 98.633, "viable_cell_density_million_ml": 20.052}, {"agitation_rpm": 284.805, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.019, "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": 1.634, "hour": 124.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.586, "our_mmol_l_h": 6.426, "ph": 6.975, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.062, "viable_cell_density_million_ml": 21.348}]


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": 254.57, "airflow_vvm": 0.262, "cer_mmol_l_h": 5.219, "dissolved_oxygen_pct": 37.332, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.075, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.894, "our_mmol_l_h": 5.627, "ph": 6.968, "phase": "exponential", "temperature_c": 36.805, "viability_pct": 98.598, "viable_cell_density_million_ml": 16.623}, {"agitation_rpm": 270.664, "airflow_vvm": 0.284, "cer_mmol_l_h": 5.748, "dissolved_oxygen_pct": 35.997, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.045, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.837, "our_mmol_l_h": 6.286, "ph": 6.961, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.503, "viable_cell_density_million_ml": 18.352}, {"agitation_rpm": 285.948, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.43, "dissolved_oxygen_pct": 36.073, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.02, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.725, "our_mmol_l_h": 6.45, "ph": 6.973, "phase": "production", "temperature_c": 35.822, "viability_pct": 98.633, "viable_cell_density_million_ml": 20.052}, {"agitation_rpm": 284.805, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.019, "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": 1.634, "hour": 124.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.586, "our_mmol_l_h": 6.426, "ph": 6.975, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.062, "viable_cell_density_million_ml": 21.348}]


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": 254.57, "airflow_vvm": 0.262, "cer_mmol_l_h": 5.219, "dissolved_oxygen_pct": 37.332, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.075, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.894, "our_mmol_l_h": 5.627, "ph": 6.968, "phase": "exponential", "temperature_c": 36.805, "viability_pct": 98.598, "viable_cell_density_million_ml": 16.623}, {"agitation_rpm": 270.664, "airflow_vvm": 0.284, "cer_mmol_l_h": 5.748, "dissolved_oxygen_pct": 35.997, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.045, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.837, "our_mmol_l_h": 6.286, "ph": 6.961, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.503, "viable_cell_density_million_ml": 18.352}, {"agitation_rpm": 285.948, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.43, "dissolved_oxygen_pct": 36.073, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.02, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.725, "our_mmol_l_h": 6.45, "ph": 6.973, "phase": "production", "temperature_c": 35.822, "viability_pct": 98.633, "viable_cell_density_million_ml": 20.052}, {"agitation_rpm": 284.805, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.019, "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": 1.634, "hour": 124.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.586, "our_mmol_l_h": 6.426, "ph": 6.975, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.062, "viable_cell_density_million_ml": 21.348}]


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": 254.57, "airflow_vvm": 0.262, "cer_mmol_l_h": 5.219, "dissolved_oxygen_pct": 37.332, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.075, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.894, "our_mmol_l_h": 5.627, "ph": 6.968, "phase": "exponential", "temperature_c": 36.805, "viability_pct": 98.598, "viable_cell_density_million_ml": 16.623}, {"agitation_rpm": 270.664, "airflow_vvm": 0.284, "cer_mmol_l_h": 5.748, "dissolved_oxygen_pct": 35.997, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.045, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.837, "our_mmol_l_h": 6.286, "ph": 6.961, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.503, "viable_cell_density_million_ml": 18.352}, {"agitation_rpm": 285.948, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.43, "dissolved_oxygen_pct": 36.073, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.02, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.725, "our_mmol_l_h": 6.45, "ph": 6.973, "phase": "production", "temperature_c": 35.822, "viability_pct": 98.633, "viable_cell_density_million_ml": 20.052}, {"agitation_rpm": 284.805, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.019, "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": 1.634, "hour": 124.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.586, "our_mmol_l_h": 6.426, "ph": 6.975, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.062, "viable_cell_density_million_ml": 21.348}]


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": 254.391, "airflow_vvm": 0.261, "cer_mmol_l_h": 5.212, "dissolved_oxygen_pct": 37.231, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.086, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.924, "our_mmol_l_h": 5.652, "ph": 6.964, "phase": "exponential", "temperature_c": 36.819, "viability_pct": 98.491, "viable_cell_density_million_ml": 16.703}, {"agitation_rpm": 271.187, "airflow_vvm": 0.285, "cer_mmol_l_h": 5.786, "dissolved_oxygen_pct": 36.35, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.056, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.826, "our_mmol_l_h": 6.276, "ph": 6.973, "phase": "production", "temperature_c": 35.812, "viability_pct": 98.58, "viable_cell_density_million_ml": 18.42}, {"agitation_rpm": 285.832, "airflow_vvm": 0.249, "cer_mmol_l_h": 6.425, "dissolved_oxygen_pct": 28.154, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.945, "hour": 108.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.72, "our_mmol_l_h": 6.962, "ph": 6.968, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.636, "viable_cell_density_million_ml": 20.527}, {"agitation_rpm": 283.828, "airflow_vvm": 0.182, "cer_mmol_l_h": 7.018, "dissolved_oxygen_pct": 18.398, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.893, "hour": 124.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.591, "our_mmol_l_h": 7.597, "ph": 6.985, "phase": "production", "temperature_c": 35.798, "viability_pct": 97.967, "viable_cell_density_million_ml": 22.349}]


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": 254.391, "airflow_vvm": 0.261, "cer_mmol_l_h": 5.212, "dissolved_oxygen_pct": 37.231, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.086, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.924, "our_mmol_l_h": 5.652, "ph": 6.964, "phase": "exponential", "temperature_c": 36.819, "viability_pct": 98.491, "viable_cell_density_million_ml": 16.703}, {"agitation_rpm": 271.187, "airflow_vvm": 0.285, "cer_mmol_l_h": 5.786, "dissolved_oxygen_pct": 36.35, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.056, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.826, "our_mmol_l_h": 6.276, "ph": 6.973, "phase": "production", "temperature_c": 35.812, "viability_pct": 98.58, "viable_cell_density_million_ml": 18.42}, {"agitation_rpm": 285.832, "airflow_vvm": 0.249, "cer_mmol_l_h": 6.425, "dissolved_oxygen_pct": 28.154, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.945, "hour": 108.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.72, "our_mmol_l_h": 6.962, "ph": 6.968, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.636, "viable_cell_density_million_ml": 20.527}, {"agitation_rpm": 283.828, "airflow_vvm": 0.182, "cer_mmol_l_h": 7.018, "dissolved_oxygen_pct": 18.398, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.893, "hour": 124.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.591, "our_mmol_l_h": 7.597, "ph": 6.985, "phase": "production", "temperature_c": 35.798, "viability_pct": 97.967, "viable_cell_density_million_ml": 22.349}]


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": 254.391, "airflow_vvm": 0.261, "cer_mmol_l_h": 5.212, "dissolved_oxygen_pct": 37.231, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.086, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.924, "our_mmol_l_h": 5.652, "ph": 6.964, "phase": "exponential", "temperature_c": 36.819, "viability_pct": 98.491, "viable_cell_density_million_ml": 16.703}, {"agitation_rpm": 271.187, "airflow_vvm": 0.285, "cer_mmol_l_h": 5.786, "dissolved_oxygen_pct": 36.35, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.056, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.826, "our_mmol_l_h": 6.276, "ph": 6.973, "phase": "production", "temperature_c": 35.812, "viability_pct": 98.58, "viable_cell_density_million_ml": 18.42}, {"agitation_rpm": 285.832, "airflow_vvm": 0.249, "cer_mmol_l_h": 6.425, "dissolved_oxygen_pct": 28.154, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.945, "hour": 108.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.72, "our_mmol_l_h": 6.962, "ph": 6.968, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.636, "viable_cell_density_million_ml": 20.527}, {"agitation_rpm": 283.828, "airflow_vvm": 0.182, "cer_mmol_l_h": 7.018, "dissolved_oxygen_pct": 18.398, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.893, "hour": 124.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.591, "our_mmol_l_h": 7.597, "ph": 6.985, "phase": "production", "temperature_c": 35.798, "viability_pct": 97.967, "viable_cell_density_million_ml": 22.349}]


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": 254.391, "airflow_vvm": 0.261, "cer_mmol_l_h": 5.212, "dissolved_oxygen_pct": 37.231, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.086, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.924, "our_mmol_l_h": 5.652, "ph": 6.964, "phase": "exponential", "temperature_c": 36.819, "viability_pct": 98.491, "viable_cell_density_million_ml": 16.703}, {"agitation_rpm": 271.187, "airflow_vvm": 0.285, "cer_mmol_l_h": 5.786, "dissolved_oxygen_pct": 36.35, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.056, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.826, "our_mmol_l_h": 6.276, "ph": 6.973, "phase": "production", "temperature_c": 35.812, "viability_pct": 98.58, "viable_cell_density_million_ml": 18.42}, {"agitation_rpm": 285.832, "airflow_vvm": 0.249, "cer_mmol_l_h": 6.425, "dissolved_oxygen_pct": 28.154, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.945, "hour": 108.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.72, "our_mmol_l_h": 6.962, "ph": 6.968, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.636, "viable_cell_density_million_ml": 20.527}, {"agitation_rpm": 283.828, "airflow_vvm": 0.182, "cer_mmol_l_h": 7.018, "dissolved_oxygen_pct": 18.398, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.893, "hour": 124.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.591, "our_mmol_l_h": 7.597, "ph": 6.985, "phase": "production", "temperature_c": 35.798, "viability_pct": 97.967, "viable_cell_density_million_ml": 22.349}]


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": 284.956, "airflow_vvm": 0.301, "cer_mmol_l_h": 6.578, "dissolved_oxygen_pct": 36.503, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.358, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.166, "our_mmol_l_h": 7.145, "ph": 6.997, "phase": "exponential", "temperature_c": 36.797, "viability_pct": 98.851, "viable_cell_density_million_ml": 21.063}, {"agitation_rpm": 284.722, "airflow_vvm": 0.301, "cer_mmol_l_h": 7.523, "dissolved_oxygen_pct": 36.467, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.357, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.163, "our_mmol_l_h": 8.203, "ph": 7.0, "phase": "production", "temperature_c": 35.809, "viability_pct": 98.666, "viable_cell_density_million_ml": 24.052}, {"agitation_rpm": 285.651, "airflow_vvm": 0.3, "cer_mmol_l_h": 8.839, "dissolved_oxygen_pct": 36.161, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.448, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.093, "our_mmol_l_h": 9.067, "ph": 7.0, "phase": "production", "temperature_c": 35.8, "viability_pct": 98.843, "viable_cell_density_million_ml": 27.807}, {"agitation_rpm": 284.268, "airflow_vvm": 0.301, "cer_mmol_l_h": 10.13, "dissolved_oxygen_pct": 36.634, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.367, "hour": 124.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.063, "our_mmol_l_h": 9.797, "ph": 7.0, "phase": "production", "temperature_c": 35.79, "viability_pct": 98.758, "viable_cell_density_million_ml": 31.367}]


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": 284.956, "airflow_vvm": 0.301, "cer_mmol_l_h": 6.578, "dissolved_oxygen_pct": 36.503, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.358, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.166, "our_mmol_l_h": 7.145, "ph": 6.997, "phase": "exponential", "temperature_c": 36.797, "viability_pct": 98.851, "viable_cell_density_million_ml": 21.063}, {"agitation_rpm": 284.722, "airflow_vvm": 0.301, "cer_mmol_l_h": 7.523, "dissolved_oxygen_pct": 36.467, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.357, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.163, "our_mmol_l_h": 8.203, "ph": 7.0, "phase": "production", "temperature_c": 35.809, "viability_pct": 98.666, "viable_cell_density_million_ml": 24.052}, {"agitation_rpm": 285.651, "airflow_vvm": 0.3, "cer_mmol_l_h": 8.839, "dissolved_oxygen_pct": 36.161, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.448, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.093, "our_mmol_l_h": 9.067, "ph": 7.0, "phase": "production", "temperature_c": 35.8, "viability_pct": 98.843, "viable_cell_density_million_ml": 27.807}, {"agitation_rpm": 284.268, "airflow_vvm": 0.301, "cer_mmol_l_h": 10.13, "dissolved_oxygen_pct": 36.634, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.367, "hour": 124.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.063, "our_mmol_l_h": 9.797, "ph": 7.0, "phase": "production", "temperature_c": 35.79, "viability_pct": 98.758, "viable_cell_density_million_ml": 31.367}]


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": 284.956, "airflow_vvm": 0.301, "cer_mmol_l_h": 6.578, "dissolved_oxygen_pct": 36.503, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.358, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.166, "our_mmol_l_h": 7.145, "ph": 6.997, "phase": "exponential", "temperature_c": 36.797, "viability_pct": 98.851, "viable_cell_density_million_ml": 21.063}, {"agitation_rpm": 284.722, "airflow_vvm": 0.301, "cer_mmol_l_h": 7.523, "dissolved_oxygen_pct": 36.467, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.357, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.163, "our_mmol_l_h": 8.203, "ph": 7.0, "phase": "production", "temperature_c": 35.809, "viability_pct": 98.666, "viable_cell_density_million_ml": 24.052}, {"agitation_rpm": 285.651, "airflow_vvm": 0.3, "cer_mmol_l_h": 8.839, "dissolved_oxygen_pct": 36.161, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.448, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.093, "our_mmol_l_h": 9.067, "ph": 7.0, "phase": "production", "temperature_c": 35.8, "viability_pct": 98.843, "viable_cell_density_million_ml": 27.807}, {"agitation_rpm": 284.268, "airflow_vvm": 0.301, "cer_mmol_l_h": 10.13, "dissolved_oxygen_pct": 36.634, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.367, "hour": 124.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.063, "our_mmol_l_h": 9.797, "ph": 7.0, "phase": "production", "temperature_c": 35.79, "viability_pct": 98.758, "viable_cell_density_million_ml": 31.367}]


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": 284.956, "airflow_vvm": 0.301, "cer_mmol_l_h": 6.578, "dissolved_oxygen_pct": 36.503, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.358, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.166, "our_mmol_l_h": 7.145, "ph": 6.997, "phase": "exponential", "temperature_c": 36.797, "viability_pct": 98.851, "viable_cell_density_million_ml": 21.063}, {"agitation_rpm": 284.722, "airflow_vvm": 0.301, "cer_mmol_l_h": 7.523, "dissolved_oxygen_pct": 36.467, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.357, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.163, "our_mmol_l_h": 8.203, "ph": 7.0, "phase": "production", "temperature_c": 35.809, "viability_pct": 98.666, "viable_cell_density_million_ml": 24.052}, {"agitation_rpm": 285.651, "airflow_vvm": 0.3, "cer_mmol_l_h": 8.839, "dissolved_oxygen_pct": 36.161, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.448, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.093, "our_mmol_l_h": 9.067, "ph": 7.0, "phase": "production", "temperature_c": 35.8, "viability_pct": 98.843, "viable_cell_density_million_ml": 27.807}, {"agitation_rpm": 284.268, "airflow_vvm": 0.301, "cer_mmol_l_h": 10.13, "dissolved_oxygen_pct": 36.634, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.367, "hour": 124.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.063, "our_mmol_l_h": 9.797, "ph": 7.0, "phase": "production", "temperature_c": 35.79, "viability_pct": 98.758, "viable_cell_density_million_ml": 31.367}]


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": 212.867, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.76, "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": 3.616, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.254, "our_mmol_l_h": 4.044, "ph": 6.993, "phase": "exponential", "temperature_c": 36.801, "viability_pct": 98.849, "viable_cell_density_million_ml": 11.943}, {"agitation_rpm": 238.718, "airflow_vvm": 0.245, "cer_mmol_l_h": 4.612, "dissolved_oxygen_pct": 38.634, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.516, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.244, "our_mmol_l_h": 5.026, "ph": 6.997, "phase": "exponential", "temperature_c": 36.788, "viability_pct": 98.684, "viable_cell_density_million_ml": 14.784}, {"agitation_rpm": 279.442, "airflow_vvm": 0.243, "cer_mmol_l_h": 6.084, "dissolved_oxygen_pct": 29.052, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.391, "hour": 84.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.219, "our_mmol_l_h": 6.602, "ph": 7.004, "phase": "exponential", "temperature_c": 36.779, "viability_pct": 98.692, "viable_cell_density_million_ml": 19.449}, {"agitation_rpm": 285.112, "airflow_vvm": 0.181, "cer_mmol_l_h": 7.996, "dissolved_oxygen_pct": 18.591, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.392, "hour": 100.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.126, "our_mmol_l_h": 8.697, "ph": 7.004, "phase": "production", "temperature_c": 35.789, "viability_pct": 98.726, "viable_cell_density_million_ml": 25.525}]


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": 212.867, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.76, "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": 3.616, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.254, "our_mmol_l_h": 4.044, "ph": 6.993, "phase": "exponential", "temperature_c": 36.801, "viability_pct": 98.849, "viable_cell_density_million_ml": 11.943}, {"agitation_rpm": 238.718, "airflow_vvm": 0.245, "cer_mmol_l_h": 4.612, "dissolved_oxygen_pct": 38.634, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.516, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.244, "our_mmol_l_h": 5.026, "ph": 6.997, "phase": "exponential", "temperature_c": 36.788, "viability_pct": 98.684, "viable_cell_density_million_ml": 14.784}, {"agitation_rpm": 279.442, "airflow_vvm": 0.243, "cer_mmol_l_h": 6.084, "dissolved_oxygen_pct": 29.052, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.391, "hour": 84.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.219, "our_mmol_l_h": 6.602, "ph": 7.004, "phase": "exponential", "temperature_c": 36.779, "viability_pct": 98.692, "viable_cell_density_million_ml": 19.449}, {"agitation_rpm": 285.112, "airflow_vvm": 0.181, "cer_mmol_l_h": 7.996, "dissolved_oxygen_pct": 18.591, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.392, "hour": 100.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.126, "our_mmol_l_h": 8.697, "ph": 7.004, "phase": "production", "temperature_c": 35.789, "viability_pct": 98.726, "viable_cell_density_million_ml": 25.525}]


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": 212.867, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.76, "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": 3.616, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.254, "our_mmol_l_h": 4.044, "ph": 6.993, "phase": "exponential", "temperature_c": 36.801, "viability_pct": 98.849, "viable_cell_density_million_ml": 11.943}, {"agitation_rpm": 238.718, "airflow_vvm": 0.245, "cer_mmol_l_h": 4.612, "dissolved_oxygen_pct": 38.634, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.516, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.244, "our_mmol_l_h": 5.026, "ph": 6.997, "phase": "exponential", "temperature_c": 36.788, "viability_pct": 98.684, "viable_cell_density_million_ml": 14.784}, {"agitation_rpm": 279.442, "airflow_vvm": 0.243, "cer_mmol_l_h": 6.084, "dissolved_oxygen_pct": 29.052, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.391, "hour": 84.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.219, "our_mmol_l_h": 6.602, "ph": 7.004, "phase": "exponential", "temperature_c": 36.779, "viability_pct": 98.692, "viable_cell_density_million_ml": 19.449}, {"agitation_rpm": 285.112, "airflow_vvm": 0.181, "cer_mmol_l_h": 7.996, "dissolved_oxygen_pct": 18.591, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.392, "hour": 100.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.126, "our_mmol_l_h": 8.697, "ph": 7.004, "phase": "production", "temperature_c": 35.789, "viability_pct": 98.726, "viable_cell_density_million_ml": 25.525}]


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": 212.867, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.76, "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": 3.616, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.254, "our_mmol_l_h": 4.044, "ph": 6.993, "phase": "exponential", "temperature_c": 36.801, "viability_pct": 98.849, "viable_cell_density_million_ml": 11.943}, {"agitation_rpm": 238.718, "airflow_vvm": 0.245, "cer_mmol_l_h": 4.612, "dissolved_oxygen_pct": 38.634, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.516, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.244, "our_mmol_l_h": 5.026, "ph": 6.997, "phase": "exponential", "temperature_c": 36.788, "viability_pct": 98.684, "viable_cell_density_million_ml": 14.784}, {"agitation_rpm": 279.442, "airflow_vvm": 0.243, "cer_mmol_l_h": 6.084, "dissolved_oxygen_pct": 29.052, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.391, "hour": 84.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.219, "our_mmol_l_h": 6.602, "ph": 7.004, "phase": "exponential", "temperature_c": 36.779, "viability_pct": 98.692, "viable_cell_density_million_ml": 19.449}, {"agitation_rpm": 285.112, "airflow_vvm": 0.181, "cer_mmol_l_h": 7.996, "dissolved_oxygen_pct": 18.591, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.392, "hour": 100.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.126, "our_mmol_l_h": 8.697, "ph": 7.004, "phase": "production", "temperature_c": 35.789, "viability_pct": 98.726, "viable_cell_density_million_ml": 25.525}]


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": 198.409, "airflow_vvm": 0.192, "cer_mmol_l_h": 3.225, "dissolved_oxygen_pct": 40.834, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.496, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.737, "our_mmol_l_h": 3.49, "ph": 6.97, "phase": "exponential", "temperature_c": 36.814, "viability_pct": 98.49, "viable_cell_density_million_ml": 10.317}, {"agitation_rpm": 218.004, "airflow_vvm": 0.215, "cer_mmol_l_h": 3.907, "dissolved_oxygen_pct": 39.742, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.189, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.913, "our_mmol_l_h": 4.212, "ph": 6.963, "phase": "exponential", "temperature_c": 36.785, "viability_pct": 98.482, "viable_cell_density_million_ml": 12.501}, {"agitation_rpm": 246.731, "airflow_vvm": 0.253, "cer_mmol_l_h": 4.883, "dissolved_oxygen_pct": 38.278, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.169, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.957, "our_mmol_l_h": 4.775, "ph": 6.965, "phase": "exponential", "temperature_c": 36.781, "viability_pct": 98.501, "viable_cell_density_million_ml": 15.285}, {"agitation_rpm": 277.94, "airflow_vvm": 0.293, "cer_mmol_l_h": 6.035, "dissolved_oxygen_pct": 35.777, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.785, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.824, "our_mmol_l_h": 5.332, "ph": 6.963, "phase": "production", "temperature_c": 35.802, "viability_pct": 98.384, "viable_cell_density_million_ml": 18.135}]


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": 198.409, "airflow_vvm": 0.192, "cer_mmol_l_h": 3.225, "dissolved_oxygen_pct": 40.834, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.496, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.737, "our_mmol_l_h": 3.49, "ph": 6.97, "phase": "exponential", "temperature_c": 36.814, "viability_pct": 98.49, "viable_cell_density_million_ml": 10.317}, {"agitation_rpm": 218.004, "airflow_vvm": 0.215, "cer_mmol_l_h": 3.907, "dissolved_oxygen_pct": 39.742, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.189, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.913, "our_mmol_l_h": 4.212, "ph": 6.963, "phase": "exponential", "temperature_c": 36.785, "viability_pct": 98.482, "viable_cell_density_million_ml": 12.501}, {"agitation_rpm": 246.731, "airflow_vvm": 0.253, "cer_mmol_l_h": 4.883, "dissolved_oxygen_pct": 38.278, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.169, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.957, "our_mmol_l_h": 4.775, "ph": 6.965, "phase": "exponential", "temperature_c": 36.781, "viability_pct": 98.501, "viable_cell_density_million_ml": 15.285}, {"agitation_rpm": 277.94, "airflow_vvm": 0.293, "cer_mmol_l_h": 6.035, "dissolved_oxygen_pct": 35.777, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.785, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.824, "our_mmol_l_h": 5.332, "ph": 6.963, "phase": "production", "temperature_c": 35.802, "viability_pct": 98.384, "viable_cell_density_million_ml": 18.135}]


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": 198.409, "airflow_vvm": 0.192, "cer_mmol_l_h": 3.225, "dissolved_oxygen_pct": 40.834, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.496, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.737, "our_mmol_l_h": 3.49, "ph": 6.97, "phase": "exponential", "temperature_c": 36.814, "viability_pct": 98.49, "viable_cell_density_million_ml": 10.317}, {"agitation_rpm": 218.004, "airflow_vvm": 0.215, "cer_mmol_l_h": 3.907, "dissolved_oxygen_pct": 39.742, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.189, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.913, "our_mmol_l_h": 4.212, "ph": 6.963, "phase": "exponential", "temperature_c": 36.785, "viability_pct": 98.482, "viable_cell_density_million_ml": 12.501}, {"agitation_rpm": 246.731, "airflow_vvm": 0.253, "cer_mmol_l_h": 4.883, "dissolved_oxygen_pct": 38.278, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.169, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.957, "our_mmol_l_h": 4.775, "ph": 6.965, "phase": "exponential", "temperature_c": 36.781, "viability_pct": 98.501, "viable_cell_density_million_ml": 15.285}, {"agitation_rpm": 277.94, "airflow_vvm": 0.293, "cer_mmol_l_h": 6.035, "dissolved_oxygen_pct": 35.777, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.785, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.824, "our_mmol_l_h": 5.332, "ph": 6.963, "phase": "production", "temperature_c": 35.802, "viability_pct": 98.384, "viable_cell_density_million_ml": 18.135}]


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": 198.409, "airflow_vvm": 0.192, "cer_mmol_l_h": 3.225, "dissolved_oxygen_pct": 40.834, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.496, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.737, "our_mmol_l_h": 3.49, "ph": 6.97, "phase": "exponential", "temperature_c": 36.814, "viability_pct": 98.49, "viable_cell_density_million_ml": 10.317}, {"agitation_rpm": 218.004, "airflow_vvm": 0.215, "cer_mmol_l_h": 3.907, "dissolved_oxygen_pct": 39.742, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.189, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.913, "our_mmol_l_h": 4.212, "ph": 6.963, "phase": "exponential", "temperature_c": 36.785, "viability_pct": 98.482, "viable_cell_density_million_ml": 12.501}, {"agitation_rpm": 246.731, "airflow_vvm": 0.253, "cer_mmol_l_h": 4.883, "dissolved_oxygen_pct": 38.278, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.169, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.957, "our_mmol_l_h": 4.775, "ph": 6.965, "phase": "exponential", "temperature_c": 36.781, "viability_pct": 98.501, "viable_cell_density_million_ml": 15.285}, {"agitation_rpm": 277.94, "airflow_vvm": 0.293, "cer_mmol_l_h": 6.035, "dissolved_oxygen_pct": 35.777, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.785, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.824, "our_mmol_l_h": 5.332, "ph": 6.963, "phase": "production", "temperature_c": 35.802, "viability_pct": 98.384, "viable_cell_density_million_ml": 18.135}]


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": 276.964, "airflow_vvm": 0.294, "cer_mmol_l_h": 5.994, "dissolved_oxygen_pct": 35.916, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.012, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.795, "our_mmol_l_h": 6.514, "ph": 6.97, "phase": "production", "temperature_c": 35.823, "viability_pct": 98.36, "viable_cell_density_million_ml": 19.211}, {"agitation_rpm": 285.257, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.413, "dissolved_oxygen_pct": 36.813, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.989, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.716, "our_mmol_l_h": 6.981, "ph": 6.969, "phase": "production", "temperature_c": 35.776, "viability_pct": 98.454, "viable_cell_density_million_ml": 20.572}, {"agitation_rpm": 284.134, "airflow_vvm": 0.246, "cer_mmol_l_h": 6.897, "dissolved_oxygen_pct": 28.091, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.856, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.636, "our_mmol_l_h": 7.484, "ph": 6.972, "phase": "production", "temperature_c": 35.82, "viability_pct": 98.357, "viable_cell_density_million_ml": 21.978}, {"agitation_rpm": 283.987, "airflow_vvm": 0.18, "cer_mmol_l_h": 7.197, "dissolved_oxygen_pct": 17.779, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.822, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.485, "our_mmol_l_h": 7.809, "ph": 6.981, "phase": "production", "temperature_c": 35.797, "viability_pct": 96.618, "viable_cell_density_million_ml": 23.002}]


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": 276.964, "airflow_vvm": 0.294, "cer_mmol_l_h": 5.994, "dissolved_oxygen_pct": 35.916, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.012, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.795, "our_mmol_l_h": 6.514, "ph": 6.97, "phase": "production", "temperature_c": 35.823, "viability_pct": 98.36, "viable_cell_density_million_ml": 19.211}, {"agitation_rpm": 285.257, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.413, "dissolved_oxygen_pct": 36.813, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.989, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.716, "our_mmol_l_h": 6.981, "ph": 6.969, "phase": "production", "temperature_c": 35.776, "viability_pct": 98.454, "viable_cell_density_million_ml": 20.572}, {"agitation_rpm": 284.134, "airflow_vvm": 0.246, "cer_mmol_l_h": 6.897, "dissolved_oxygen_pct": 28.091, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.856, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.636, "our_mmol_l_h": 7.484, "ph": 6.972, "phase": "production", "temperature_c": 35.82, "viability_pct": 98.357, "viable_cell_density_million_ml": 21.978}, {"agitation_rpm": 283.987, "airflow_vvm": 0.18, "cer_mmol_l_h": 7.197, "dissolved_oxygen_pct": 17.779, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.822, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.485, "our_mmol_l_h": 7.809, "ph": 6.981, "phase": "production", "temperature_c": 35.797, "viability_pct": 96.618, "viable_cell_density_million_ml": 23.002}]


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": 276.964, "airflow_vvm": 0.294, "cer_mmol_l_h": 5.994, "dissolved_oxygen_pct": 35.916, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.012, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.795, "our_mmol_l_h": 6.514, "ph": 6.97, "phase": "production", "temperature_c": 35.823, "viability_pct": 98.36, "viable_cell_density_million_ml": 19.211}, {"agitation_rpm": 285.257, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.413, "dissolved_oxygen_pct": 36.813, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.989, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.716, "our_mmol_l_h": 6.981, "ph": 6.969, "phase": "production", "temperature_c": 35.776, "viability_pct": 98.454, "viable_cell_density_million_ml": 20.572}, {"agitation_rpm": 284.134, "airflow_vvm": 0.246, "cer_mmol_l_h": 6.897, "dissolved_oxygen_pct": 28.091, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.856, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.636, "our_mmol_l_h": 7.484, "ph": 6.972, "phase": "production", "temperature_c": 35.82, "viability_pct": 98.357, "viable_cell_density_million_ml": 21.978}, {"agitation_rpm": 283.987, "airflow_vvm": 0.18, "cer_mmol_l_h": 7.197, "dissolved_oxygen_pct": 17.779, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.822, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.485, "our_mmol_l_h": 7.809, "ph": 6.981, "phase": "production", "temperature_c": 35.797, "viability_pct": 96.618, "viable_cell_density_million_ml": 23.002}]


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": 276.964, "airflow_vvm": 0.294, "cer_mmol_l_h": 5.994, "dissolved_oxygen_pct": 35.916, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.012, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.795, "our_mmol_l_h": 6.514, "ph": 6.97, "phase": "production", "temperature_c": 35.823, "viability_pct": 98.36, "viable_cell_density_million_ml": 19.211}, {"agitation_rpm": 285.257, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.413, "dissolved_oxygen_pct": 36.813, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.989, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.716, "our_mmol_l_h": 6.981, "ph": 6.969, "phase": "production", "temperature_c": 35.776, "viability_pct": 98.454, "viable_cell_density_million_ml": 20.572}, {"agitation_rpm": 284.134, "airflow_vvm": 0.246, "cer_mmol_l_h": 6.897, "dissolved_oxygen_pct": 28.091, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.856, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.636, "our_mmol_l_h": 7.484, "ph": 6.972, "phase": "production", "temperature_c": 35.82, "viability_pct": 98.357, "viable_cell_density_million_ml": 21.978}, {"agitation_rpm": 283.987, "airflow_vvm": 0.18, "cer_mmol_l_h": 7.197, "dissolved_oxygen_pct": 17.779, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.822, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.485, "our_mmol_l_h": 7.809, "ph": 6.981, "phase": "production", "temperature_c": 35.797, "viability_pct": 96.618, "viable_cell_density_million_ml": 23.002}]


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": 284.738, "airflow_vvm": 0.302, "cer_mmol_l_h": 8.017, "dissolved_oxygen_pct": 36.793, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.376, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.147, "our_mmol_l_h": 8.703, "ph": 6.996, "phase": "production", "temperature_c": 35.824, "viability_pct": 98.775, "viable_cell_density_million_ml": 25.619}, {"agitation_rpm": 285.416, "airflow_vvm": 0.298, "cer_mmol_l_h": 8.851, "dissolved_oxygen_pct": 35.847, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.419, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.095, "our_mmol_l_h": 9.604, "ph": 7.007, "phase": "production", "temperature_c": 35.807, "viability_pct": 98.752, "viable_cell_density_million_ml": 28.226}, {"agitation_rpm": 285.528, "airflow_vvm": 0.302, "cer_mmol_l_h": 9.844, "dissolved_oxygen_pct": 36.935, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.618, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.052, "our_mmol_l_h": 10.22, "ph": 6.999, "phase": "production", "temperature_c": 35.786, "viability_pct": 98.783, "viable_cell_density_million_ml": 31.106}, {"agitation_rpm": 285.665, "airflow_vvm": 0.3, "cer_mmol_l_h": 10.814, "dissolved_oxygen_pct": 35.87, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.502, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.015, "our_mmol_l_h": 10.537, "ph": 7.007, "phase": "production", "temperature_c": 35.778, "viability_pct": 98.732, "viable_cell_density_million_ml": 33.576}]


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": 284.738, "airflow_vvm": 0.302, "cer_mmol_l_h": 8.017, "dissolved_oxygen_pct": 36.793, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.376, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.147, "our_mmol_l_h": 8.703, "ph": 6.996, "phase": "production", "temperature_c": 35.824, "viability_pct": 98.775, "viable_cell_density_million_ml": 25.619}, {"agitation_rpm": 285.416, "airflow_vvm": 0.298, "cer_mmol_l_h": 8.851, "dissolved_oxygen_pct": 35.847, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.419, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.095, "our_mmol_l_h": 9.604, "ph": 7.007, "phase": "production", "temperature_c": 35.807, "viability_pct": 98.752, "viable_cell_density_million_ml": 28.226}, {"agitation_rpm": 285.528, "airflow_vvm": 0.302, "cer_mmol_l_h": 9.844, "dissolved_oxygen_pct": 36.935, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.618, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.052, "our_mmol_l_h": 10.22, "ph": 6.999, "phase": "production", "temperature_c": 35.786, "viability_pct": 98.783, "viable_cell_density_million_ml": 31.106}, {"agitation_rpm": 285.665, "airflow_vvm": 0.3, "cer_mmol_l_h": 10.814, "dissolved_oxygen_pct": 35.87, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.502, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.015, "our_mmol_l_h": 10.537, "ph": 7.007, "phase": "production", "temperature_c": 35.778, "viability_pct": 98.732, "viable_cell_density_million_ml": 33.576}]


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": 284.738, "airflow_vvm": 0.302, "cer_mmol_l_h": 8.017, "dissolved_oxygen_pct": 36.793, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.376, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.147, "our_mmol_l_h": 8.703, "ph": 6.996, "phase": "production", "temperature_c": 35.824, "viability_pct": 98.775, "viable_cell_density_million_ml": 25.619}, {"agitation_rpm": 285.416, "airflow_vvm": 0.298, "cer_mmol_l_h": 8.851, "dissolved_oxygen_pct": 35.847, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.419, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.095, "our_mmol_l_h": 9.604, "ph": 7.007, "phase": "production", "temperature_c": 35.807, "viability_pct": 98.752, "viable_cell_density_million_ml": 28.226}, {"agitation_rpm": 285.528, "airflow_vvm": 0.302, "cer_mmol_l_h": 9.844, "dissolved_oxygen_pct": 36.935, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.618, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.052, "our_mmol_l_h": 10.22, "ph": 6.999, "phase": "production", "temperature_c": 35.786, "viability_pct": 98.783, "viable_cell_density_million_ml": 31.106}, {"agitation_rpm": 285.665, "airflow_vvm": 0.3, "cer_mmol_l_h": 10.814, "dissolved_oxygen_pct": 35.87, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.502, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.015, "our_mmol_l_h": 10.537, "ph": 7.007, "phase": "production", "temperature_c": 35.778, "viability_pct": 98.732, "viable_cell_density_million_ml": 33.576}]


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": 284.738, "airflow_vvm": 0.302, "cer_mmol_l_h": 8.017, "dissolved_oxygen_pct": 36.793, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.376, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.147, "our_mmol_l_h": 8.703, "ph": 6.996, "phase": "production", "temperature_c": 35.824, "viability_pct": 98.775, "viable_cell_density_million_ml": 25.619}, {"agitation_rpm": 285.416, "airflow_vvm": 0.298, "cer_mmol_l_h": 8.851, "dissolved_oxygen_pct": 35.847, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.419, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.095, "our_mmol_l_h": 9.604, "ph": 7.007, "phase": "production", "temperature_c": 35.807, "viability_pct": 98.752, "viable_cell_density_million_ml": 28.226}, {"agitation_rpm": 285.528, "airflow_vvm": 0.302, "cer_mmol_l_h": 9.844, "dissolved_oxygen_pct": 36.935, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.618, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.052, "our_mmol_l_h": 10.22, "ph": 6.999, "phase": "production", "temperature_c": 35.786, "viability_pct": 98.783, "viable_cell_density_million_ml": 31.106}, {"agitation_rpm": 285.665, "airflow_vvm": 0.3, "cer_mmol_l_h": 10.814, "dissolved_oxygen_pct": 35.87, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.502, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.015, "our_mmol_l_h": 10.537, "ph": 7.007, "phase": "production", "temperature_c": 35.778, "viability_pct": 98.732, "viable_cell_density_million_ml": 33.576}]


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": 285.447, "airflow_vvm": 0.298, "cer_mmol_l_h": 8.007, "dissolved_oxygen_pct": 36.438, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.371, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.133, "our_mmol_l_h": 8.663, "ph": 6.998, "phase": "production", "temperature_c": 35.825, "viability_pct": 98.875, "viable_cell_density_million_ml": 25.638}, {"agitation_rpm": 284.118, "airflow_vvm": 0.3, "cer_mmol_l_h": 8.86, "dissolved_oxygen_pct": 35.899, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.415, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.116, "our_mmol_l_h": 9.625, "ph": 7.002, "phase": "production", "temperature_c": 35.788, "viability_pct": 98.688, "viable_cell_density_million_ml": 28.309}, {"agitation_rpm": 285.692, "airflow_vvm": 0.247, "cer_mmol_l_h": 9.855, "dissolved_oxygen_pct": 28.569, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.495, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.056, "our_mmol_l_h": 10.719, "ph": 7.008, "phase": "production", "temperature_c": 35.78, "viability_pct": 98.831, "viable_cell_density_million_ml": 31.474}, {"agitation_rpm": 286.157, "airflow_vvm": 0.181, "cer_mmol_l_h": 10.796, "dissolved_oxygen_pct": 18.203, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.726, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.005, "our_mmol_l_h": 11.717, "ph": 7.006, "phase": "production", "temperature_c": 35.824, "viability_pct": 98.765, "viable_cell_density_million_ml": 34.586}]


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": 285.447, "airflow_vvm": 0.298, "cer_mmol_l_h": 8.007, "dissolved_oxygen_pct": 36.438, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.371, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.133, "our_mmol_l_h": 8.663, "ph": 6.998, "phase": "production", "temperature_c": 35.825, "viability_pct": 98.875, "viable_cell_density_million_ml": 25.638}, {"agitation_rpm": 284.118, "airflow_vvm": 0.3, "cer_mmol_l_h": 8.86, "dissolved_oxygen_pct": 35.899, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.415, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.116, "our_mmol_l_h": 9.625, "ph": 7.002, "phase": "production", "temperature_c": 35.788, "viability_pct": 98.688, "viable_cell_density_million_ml": 28.309}, {"agitation_rpm": 285.692, "airflow_vvm": 0.247, "cer_mmol_l_h": 9.855, "dissolved_oxygen_pct": 28.569, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.495, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.056, "our_mmol_l_h": 10.719, "ph": 7.008, "phase": "production", "temperature_c": 35.78, "viability_pct": 98.831, "viable_cell_density_million_ml": 31.474}, {"agitation_rpm": 286.157, "airflow_vvm": 0.181, "cer_mmol_l_h": 10.796, "dissolved_oxygen_pct": 18.203, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.726, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.005, "our_mmol_l_h": 11.717, "ph": 7.006, "phase": "production", "temperature_c": 35.824, "viability_pct": 98.765, "viable_cell_density_million_ml": 34.586}]


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": 285.447, "airflow_vvm": 0.298, "cer_mmol_l_h": 8.007, "dissolved_oxygen_pct": 36.438, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.371, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.133, "our_mmol_l_h": 8.663, "ph": 6.998, "phase": "production", "temperature_c": 35.825, "viability_pct": 98.875, "viable_cell_density_million_ml": 25.638}, {"agitation_rpm": 284.118, "airflow_vvm": 0.3, "cer_mmol_l_h": 8.86, "dissolved_oxygen_pct": 35.899, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.415, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.116, "our_mmol_l_h": 9.625, "ph": 7.002, "phase": "production", "temperature_c": 35.788, "viability_pct": 98.688, "viable_cell_density_million_ml": 28.309}, {"agitation_rpm": 285.692, "airflow_vvm": 0.247, "cer_mmol_l_h": 9.855, "dissolved_oxygen_pct": 28.569, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.495, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.056, "our_mmol_l_h": 10.719, "ph": 7.008, "phase": "production", "temperature_c": 35.78, "viability_pct": 98.831, "viable_cell_density_million_ml": 31.474}, {"agitation_rpm": 286.157, "airflow_vvm": 0.181, "cer_mmol_l_h": 10.796, "dissolved_oxygen_pct": 18.203, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.726, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.005, "our_mmol_l_h": 11.717, "ph": 7.006, "phase": "production", "temperature_c": 35.824, "viability_pct": 98.765, "viable_cell_density_million_ml": 34.586}]


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": 285.447, "airflow_vvm": 0.298, "cer_mmol_l_h": 8.007, "dissolved_oxygen_pct": 36.438, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.371, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.133, "our_mmol_l_h": 8.663, "ph": 6.998, "phase": "production", "temperature_c": 35.825, "viability_pct": 98.875, "viable_cell_density_million_ml": 25.638}, {"agitation_rpm": 284.118, "airflow_vvm": 0.3, "cer_mmol_l_h": 8.86, "dissolved_oxygen_pct": 35.899, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.415, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.116, "our_mmol_l_h": 9.625, "ph": 7.002, "phase": "production", "temperature_c": 35.788, "viability_pct": 98.688, "viable_cell_density_million_ml": 28.309}, {"agitation_rpm": 285.692, "airflow_vvm": 0.247, "cer_mmol_l_h": 9.855, "dissolved_oxygen_pct": 28.569, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.495, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.056, "our_mmol_l_h": 10.719, "ph": 7.008, "phase": "production", "temperature_c": 35.78, "viability_pct": 98.831, "viable_cell_density_million_ml": 31.474}, {"agitation_rpm": 286.157, "airflow_vvm": 0.181, "cer_mmol_l_h": 10.796, "dissolved_oxygen_pct": 18.203, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.726, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.005, "our_mmol_l_h": 11.717, "ph": 7.006, "phase": "production", "temperature_c": 35.824, "viability_pct": 98.765, "viable_cell_density_million_ml": 34.586}]


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": 254.955, "airflow_vvm": 0.265, "cer_mmol_l_h": 5.209, "dissolved_oxygen_pct": 36.681, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.045, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.903, "our_mmol_l_h": 5.631, "ph": 6.958, "phase": "exponential", "temperature_c": 36.782, "viability_pct": 98.47, "viable_cell_density_million_ml": 16.65}, {"agitation_rpm": 271.039, "airflow_vvm": 0.285, "cer_mmol_l_h": 5.778, "dissolved_oxygen_pct": 36.842, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.022, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.833, "our_mmol_l_h": 6.29, "ph": 6.966, "phase": "production", "temperature_c": 35.8, "viability_pct": 98.567, "viable_cell_density_million_ml": 18.423}, {"agitation_rpm": 286.181, "airflow_vvm": 0.298, "cer_mmol_l_h": 6.442, "dissolved_oxygen_pct": 36.829, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.016, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.713, "our_mmol_l_h": 6.481, "ph": 6.971, "phase": "production", "temperature_c": 35.803, "viability_pct": 98.4, "viable_cell_density_million_ml": 20.122}, {"agitation_rpm": 284.694, "airflow_vvm": 0.3, "cer_mmol_l_h": 7.019, "dissolved_oxygen_pct": 36.401, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.638, "hour": 124.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.57, "our_mmol_l_h": 6.387, "ph": 6.976, "phase": "production", "temperature_c": 35.808, "viability_pct": 98.139, "viable_cell_density_million_ml": 21.346}]


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": 254.955, "airflow_vvm": 0.265, "cer_mmol_l_h": 5.209, "dissolved_oxygen_pct": 36.681, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.045, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.903, "our_mmol_l_h": 5.631, "ph": 6.958, "phase": "exponential", "temperature_c": 36.782, "viability_pct": 98.47, "viable_cell_density_million_ml": 16.65}, {"agitation_rpm": 271.039, "airflow_vvm": 0.285, "cer_mmol_l_h": 5.778, "dissolved_oxygen_pct": 36.842, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.022, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.833, "our_mmol_l_h": 6.29, "ph": 6.966, "phase": "production", "temperature_c": 35.8, "viability_pct": 98.567, "viable_cell_density_million_ml": 18.423}, {"agitation_rpm": 286.181, "airflow_vvm": 0.298, "cer_mmol_l_h": 6.442, "dissolved_oxygen_pct": 36.829, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.016, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.713, "our_mmol_l_h": 6.481, "ph": 6.971, "phase": "production", "temperature_c": 35.803, "viability_pct": 98.4, "viable_cell_density_million_ml": 20.122}, {"agitation_rpm": 284.694, "airflow_vvm": 0.3, "cer_mmol_l_h": 7.019, "dissolved_oxygen_pct": 36.401, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.638, "hour": 124.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.57, "our_mmol_l_h": 6.387, "ph": 6.976, "phase": "production", "temperature_c": 35.808, "viability_pct": 98.139, "viable_cell_density_million_ml": 21.346}]