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": 225.75, "airflow_vvm": 0.228, "cer_mmol_l_h": 4.218, "dissolved_oxygen_pct": 39.745, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.189, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 2.024, "our_mmol_l_h": 4.628, "ph": 6.959, "phase": "exponential", "temperature_c": 36.782, "viability_pct": 98.499, "viable_cell_density_million_ml": 13.612}, {"agitation_rpm": 246.471, "airflow_vvm": 0.255, "cer_mmol_l_h": 4.868, "dissolved_oxygen_pct": 37.74, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.133, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.947, "our_mmol_l_h": 5.325, "ph": 6.964, "phase": "exponential", "temperature_c": 36.795, "viability_pct": 98.462, "viable_cell_density_million_ml": 15.689}, {"agitation_rpm": 269.906, "airflow_vvm": 0.231, "cer_mmol_l_h": 5.747, "dissolved_oxygen_pct": 28.09, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 4.015, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.835, "our_mmol_l_h": 6.253, "ph": 6.974, "phase": "production", "temperature_c": 35.804, "viability_pct": 98.534, "viable_cell_density_million_ml": 18.448}, {"agitation_rpm": 285.981, "airflow_vvm": 0.181, "cer_mmol_l_h": 6.584, "dissolved_oxygen_pct": 18.976, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.912, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.681, "our_mmol_l_h": 7.188, "ph": 6.968, "phase": "production", "temperature_c": 35.787, "viability_pct": 98.596, "viable_cell_density_million_ml": 21.096}]


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

Trajectory excerpt:
[{"agitation_rpm": 213.065, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.771, "dissolved_oxygen_pct": 39.938, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.58, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.273, "our_mmol_l_h": 4.078, "ph": 6.996, "phase": "exponential", "temperature_c": 36.825, "viability_pct": 98.711, "viable_cell_density_million_ml": 11.927}, {"agitation_rpm": 238.331, "airflow_vvm": 0.242, "cer_mmol_l_h": 4.606, "dissolved_oxygen_pct": 37.721, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.501, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.241, "our_mmol_l_h": 5.024, "ph": 6.997, "phase": "exponential", "temperature_c": 36.776, "viability_pct": 98.943, "viable_cell_density_million_ml": 14.787}, {"agitation_rpm": 279.015, "airflow_vvm": 0.295, "cer_mmol_l_h": 6.064, "dissolved_oxygen_pct": 36.548, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.473, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.214, "our_mmol_l_h": 6.072, "ph": 6.997, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.806, "viable_cell_density_million_ml": 19.097}, {"agitation_rpm": 285.743, "airflow_vvm": 0.3, "cer_mmol_l_h": 7.978, "dissolved_oxygen_pct": 36.643, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.13, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.123, "our_mmol_l_h": 7.492, "ph": 6.995, "phase": "production", "temperature_c": 35.815, "viability_pct": 98.912, "viable_cell_density_million_ml": 24.6}]


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

Trajectory excerpt:
[{"agitation_rpm": 213.065, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.771, "dissolved_oxygen_pct": 39.938, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.58, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.273, "our_mmol_l_h": 4.078, "ph": 6.996, "phase": "exponential", "temperature_c": 36.825, "viability_pct": 98.711, "viable_cell_density_million_ml": 11.927}, {"agitation_rpm": 238.331, "airflow_vvm": 0.242, "cer_mmol_l_h": 4.606, "dissolved_oxygen_pct": 37.721, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.501, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.241, "our_mmol_l_h": 5.024, "ph": 6.997, "phase": "exponential", "temperature_c": 36.776, "viability_pct": 98.943, "viable_cell_density_million_ml": 14.787}, {"agitation_rpm": 279.015, "airflow_vvm": 0.295, "cer_mmol_l_h": 6.064, "dissolved_oxygen_pct": 36.548, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.473, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.214, "our_mmol_l_h": 6.072, "ph": 6.997, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.806, "viable_cell_density_million_ml": 19.097}, {"agitation_rpm": 285.743, "airflow_vvm": 0.3, "cer_mmol_l_h": 7.978, "dissolved_oxygen_pct": 36.643, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.13, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.123, "our_mmol_l_h": 7.492, "ph": 6.995, "phase": "production", "temperature_c": 35.815, "viability_pct": 98.912, "viable_cell_density_million_ml": 24.6}]


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

Trajectory excerpt:
[{"agitation_rpm": 213.065, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.771, "dissolved_oxygen_pct": 39.938, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.58, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.273, "our_mmol_l_h": 4.078, "ph": 6.996, "phase": "exponential", "temperature_c": 36.825, "viability_pct": 98.711, "viable_cell_density_million_ml": 11.927}, {"agitation_rpm": 238.331, "airflow_vvm": 0.242, "cer_mmol_l_h": 4.606, "dissolved_oxygen_pct": 37.721, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.501, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.241, "our_mmol_l_h": 5.024, "ph": 6.997, "phase": "exponential", "temperature_c": 36.776, "viability_pct": 98.943, "viable_cell_density_million_ml": 14.787}, {"agitation_rpm": 279.015, "airflow_vvm": 0.295, "cer_mmol_l_h": 6.064, "dissolved_oxygen_pct": 36.548, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.473, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.214, "our_mmol_l_h": 6.072, "ph": 6.997, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.806, "viable_cell_density_million_ml": 19.097}, {"agitation_rpm": 285.743, "airflow_vvm": 0.3, "cer_mmol_l_h": 7.978, "dissolved_oxygen_pct": 36.643, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.13, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.123, "our_mmol_l_h": 7.492, "ph": 6.995, "phase": "production", "temperature_c": 35.815, "viability_pct": 98.912, "viable_cell_density_million_ml": 24.6}]


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

Trajectory excerpt:
[{"agitation_rpm": 213.065, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.771, "dissolved_oxygen_pct": 39.938, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.58, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.273, "our_mmol_l_h": 4.078, "ph": 6.996, "phase": "exponential", "temperature_c": 36.825, "viability_pct": 98.711, "viable_cell_density_million_ml": 11.927}, {"agitation_rpm": 238.331, "airflow_vvm": 0.242, "cer_mmol_l_h": 4.606, "dissolved_oxygen_pct": 37.721, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.501, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.241, "our_mmol_l_h": 5.024, "ph": 6.997, "phase": "exponential", "temperature_c": 36.776, "viability_pct": 98.943, "viable_cell_density_million_ml": 14.787}, {"agitation_rpm": 279.015, "airflow_vvm": 0.295, "cer_mmol_l_h": 6.064, "dissolved_oxygen_pct": 36.548, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.473, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.214, "our_mmol_l_h": 6.072, "ph": 6.997, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.806, "viable_cell_density_million_ml": 19.097}, {"agitation_rpm": 285.743, "airflow_vvm": 0.3, "cer_mmol_l_h": 7.978, "dissolved_oxygen_pct": 36.643, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.13, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.123, "our_mmol_l_h": 7.492, "ph": 6.995, "phase": "production", "temperature_c": 35.815, "viability_pct": 98.912, "viable_cell_density_million_ml": 24.6}]


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": 285.989, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.605, "dissolved_oxygen_pct": 36.597, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.341, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.195, "our_mmol_l_h": 7.148, "ph": 6.99, "phase": "exponential", "temperature_c": 36.791, "viability_pct": 98.855, "viable_cell_density_million_ml": 21.079}, {"agitation_rpm": 285.431, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.515, "dissolved_oxygen_pct": 36.469, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.348, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.155, "our_mmol_l_h": 8.203, "ph": 6.995, "phase": "production", "temperature_c": 35.796, "viability_pct": 98.875, "viable_cell_density_million_ml": 24.17}, {"agitation_rpm": 285.955, "airflow_vvm": 0.25, "cer_mmol_l_h": 8.859, "dissolved_oxygen_pct": 28.478, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.384, "hour": 108.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.112, "our_mmol_l_h": 9.598, "ph": 7.003, "phase": "production", "temperature_c": 35.809, "viability_pct": 98.686, "viable_cell_density_million_ml": 28.219}, {"agitation_rpm": 285.031, "airflow_vvm": 0.178, "cer_mmol_l_h": 10.112, "dissolved_oxygen_pct": 18.172, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.551, "hour": 124.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.02, "our_mmol_l_h": 11.025, "ph": 7.009, "phase": "production", "temperature_c": 35.79, "viability_pct": 98.797, "viable_cell_density_million_ml": 32.346}]


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": 285.989, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.605, "dissolved_oxygen_pct": 36.597, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.341, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.195, "our_mmol_l_h": 7.148, "ph": 6.99, "phase": "exponential", "temperature_c": 36.791, "viability_pct": 98.855, "viable_cell_density_million_ml": 21.079}, {"agitation_rpm": 285.431, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.515, "dissolved_oxygen_pct": 36.469, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.348, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.155, "our_mmol_l_h": 8.203, "ph": 6.995, "phase": "production", "temperature_c": 35.796, "viability_pct": 98.875, "viable_cell_density_million_ml": 24.17}, {"agitation_rpm": 285.955, "airflow_vvm": 0.25, "cer_mmol_l_h": 8.859, "dissolved_oxygen_pct": 28.478, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.384, "hour": 108.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.112, "our_mmol_l_h": 9.598, "ph": 7.003, "phase": "production", "temperature_c": 35.809, "viability_pct": 98.686, "viable_cell_density_million_ml": 28.219}, {"agitation_rpm": 285.031, "airflow_vvm": 0.178, "cer_mmol_l_h": 10.112, "dissolved_oxygen_pct": 18.172, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.551, "hour": 124.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.02, "our_mmol_l_h": 11.025, "ph": 7.009, "phase": "production", "temperature_c": 35.79, "viability_pct": 98.797, "viable_cell_density_million_ml": 32.346}]


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": 285.989, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.605, "dissolved_oxygen_pct": 36.597, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.341, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.195, "our_mmol_l_h": 7.148, "ph": 6.99, "phase": "exponential", "temperature_c": 36.791, "viability_pct": 98.855, "viable_cell_density_million_ml": 21.079}, {"agitation_rpm": 285.431, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.515, "dissolved_oxygen_pct": 36.469, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.348, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.155, "our_mmol_l_h": 8.203, "ph": 6.995, "phase": "production", "temperature_c": 35.796, "viability_pct": 98.875, "viable_cell_density_million_ml": 24.17}, {"agitation_rpm": 285.955, "airflow_vvm": 0.25, "cer_mmol_l_h": 8.859, "dissolved_oxygen_pct": 28.478, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.384, "hour": 108.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.112, "our_mmol_l_h": 9.598, "ph": 7.003, "phase": "production", "temperature_c": 35.809, "viability_pct": 98.686, "viable_cell_density_million_ml": 28.219}, {"agitation_rpm": 285.031, "airflow_vvm": 0.178, "cer_mmol_l_h": 10.112, "dissolved_oxygen_pct": 18.172, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.551, "hour": 124.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.02, "our_mmol_l_h": 11.025, "ph": 7.009, "phase": "production", "temperature_c": 35.79, "viability_pct": 98.797, "viable_cell_density_million_ml": 32.346}]


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": 285.989, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.605, "dissolved_oxygen_pct": 36.597, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.341, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.195, "our_mmol_l_h": 7.148, "ph": 6.99, "phase": "exponential", "temperature_c": 36.791, "viability_pct": 98.855, "viable_cell_density_million_ml": 21.079}, {"agitation_rpm": 285.431, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.515, "dissolved_oxygen_pct": 36.469, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.348, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.155, "our_mmol_l_h": 8.203, "ph": 6.995, "phase": "production", "temperature_c": 35.796, "viability_pct": 98.875, "viable_cell_density_million_ml": 24.17}, {"agitation_rpm": 285.955, "airflow_vvm": 0.25, "cer_mmol_l_h": 8.859, "dissolved_oxygen_pct": 28.478, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.384, "hour": 108.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.112, "our_mmol_l_h": 9.598, "ph": 7.003, "phase": "production", "temperature_c": 35.809, "viability_pct": 98.686, "viable_cell_density_million_ml": 28.219}, {"agitation_rpm": 285.031, "airflow_vvm": 0.178, "cer_mmol_l_h": 10.112, "dissolved_oxygen_pct": 18.172, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.551, "hour": 124.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.02, "our_mmol_l_h": 11.025, "ph": 7.009, "phase": "production", "temperature_c": 35.79, "viability_pct": 98.797, "viable_cell_density_million_ml": 32.346}]


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

Trajectory excerpt:
[{"agitation_rpm": 278.371, "airflow_vvm": 0.289, "cer_mmol_l_h": 6.022, "dissolved_oxygen_pct": 35.813, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.987, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.806, "our_mmol_l_h": 6.507, "ph": 6.976, "phase": "production", "temperature_c": 35.807, "viability_pct": 98.612, "viable_cell_density_million_ml": 19.198}, {"agitation_rpm": 284.53, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.428, "dissolved_oxygen_pct": 36.327, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.001, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.721, "our_mmol_l_h": 6.968, "ph": 6.975, "phase": "production", "temperature_c": 35.807, "viability_pct": 98.443, "viable_cell_density_million_ml": 20.588}, {"agitation_rpm": 284.337, "airflow_vvm": 0.298, "cer_mmol_l_h": 6.91, "dissolved_oxygen_pct": 36.993, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.982, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.62, "our_mmol_l_h": 6.967, "ph": 6.978, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.593, "viable_cell_density_million_ml": 21.632}, {"agitation_rpm": 283.978, "airflow_vvm": 0.3, "cer_mmol_l_h": 7.207, "dissolved_oxygen_pct": 36.689, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.59, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.492, "our_mmol_l_h": 6.597, "ph": 6.982, "phase": "production", "temperature_c": 35.798, "viability_pct": 96.696, "viable_cell_density_million_ml": 22.022}]


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

Trajectory excerpt:
[{"agitation_rpm": 278.371, "airflow_vvm": 0.289, "cer_mmol_l_h": 6.022, "dissolved_oxygen_pct": 35.813, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.987, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.806, "our_mmol_l_h": 6.507, "ph": 6.976, "phase": "production", "temperature_c": 35.807, "viability_pct": 98.612, "viable_cell_density_million_ml": 19.198}, {"agitation_rpm": 284.53, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.428, "dissolved_oxygen_pct": 36.327, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.001, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.721, "our_mmol_l_h": 6.968, "ph": 6.975, "phase": "production", "temperature_c": 35.807, "viability_pct": 98.443, "viable_cell_density_million_ml": 20.588}, {"agitation_rpm": 284.337, "airflow_vvm": 0.298, "cer_mmol_l_h": 6.91, "dissolved_oxygen_pct": 36.993, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.982, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.62, "our_mmol_l_h": 6.967, "ph": 6.978, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.593, "viable_cell_density_million_ml": 21.632}, {"agitation_rpm": 283.978, "airflow_vvm": 0.3, "cer_mmol_l_h": 7.207, "dissolved_oxygen_pct": 36.689, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.59, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.492, "our_mmol_l_h": 6.597, "ph": 6.982, "phase": "production", "temperature_c": 35.798, "viability_pct": 96.696, "viable_cell_density_million_ml": 22.022}]


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

Trajectory excerpt:
[{"agitation_rpm": 278.371, "airflow_vvm": 0.289, "cer_mmol_l_h": 6.022, "dissolved_oxygen_pct": 35.813, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.987, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.806, "our_mmol_l_h": 6.507, "ph": 6.976, "phase": "production", "temperature_c": 35.807, "viability_pct": 98.612, "viable_cell_density_million_ml": 19.198}, {"agitation_rpm": 284.53, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.428, "dissolved_oxygen_pct": 36.327, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.001, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.721, "our_mmol_l_h": 6.968, "ph": 6.975, "phase": "production", "temperature_c": 35.807, "viability_pct": 98.443, "viable_cell_density_million_ml": 20.588}, {"agitation_rpm": 284.337, "airflow_vvm": 0.298, "cer_mmol_l_h": 6.91, "dissolved_oxygen_pct": 36.993, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.982, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.62, "our_mmol_l_h": 6.967, "ph": 6.978, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.593, "viable_cell_density_million_ml": 21.632}, {"agitation_rpm": 283.978, "airflow_vvm": 0.3, "cer_mmol_l_h": 7.207, "dissolved_oxygen_pct": 36.689, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.59, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.492, "our_mmol_l_h": 6.597, "ph": 6.982, "phase": "production", "temperature_c": 35.798, "viability_pct": 96.696, "viable_cell_density_million_ml": 22.022}]


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

Trajectory excerpt:
[{"agitation_rpm": 278.371, "airflow_vvm": 0.289, "cer_mmol_l_h": 6.022, "dissolved_oxygen_pct": 35.813, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.987, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.806, "our_mmol_l_h": 6.507, "ph": 6.976, "phase": "production", "temperature_c": 35.807, "viability_pct": 98.612, "viable_cell_density_million_ml": 19.198}, {"agitation_rpm": 284.53, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.428, "dissolved_oxygen_pct": 36.327, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.001, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.721, "our_mmol_l_h": 6.968, "ph": 6.975, "phase": "production", "temperature_c": 35.807, "viability_pct": 98.443, "viable_cell_density_million_ml": 20.588}, {"agitation_rpm": 284.337, "airflow_vvm": 0.298, "cer_mmol_l_h": 6.91, "dissolved_oxygen_pct": 36.993, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.982, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.62, "our_mmol_l_h": 6.967, "ph": 6.978, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.593, "viable_cell_density_million_ml": 21.632}, {"agitation_rpm": 283.978, "airflow_vvm": 0.3, "cer_mmol_l_h": 7.207, "dissolved_oxygen_pct": 36.689, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.59, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.492, "our_mmol_l_h": 6.597, "ph": 6.982, "phase": "production", "temperature_c": 35.798, "viability_pct": 96.696, "viable_cell_density_million_ml": 22.022}]


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

Trajectory excerpt:
[{"agitation_rpm": 277.897, "airflow_vvm": 0.294, "cer_mmol_l_h": 6.023, "dissolved_oxygen_pct": 36.672, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.993, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.825, "our_mmol_l_h": 6.544, "ph": 6.967, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.539, "viable_cell_density_million_ml": 19.137}, {"agitation_rpm": 285.802, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.445, "dissolved_oxygen_pct": 36.961, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.99, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.747, "our_mmol_l_h": 7.003, "ph": 6.979, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.494, "viable_cell_density_million_ml": 20.562}, {"agitation_rpm": 283.94, "airflow_vvm": 0.251, "cer_mmol_l_h": 6.881, "dissolved_oxygen_pct": 28.775, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.858, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.636, "our_mmol_l_h": 7.482, "ph": 6.984, "phase": "production", "temperature_c": 35.788, "viability_pct": 98.595, "viable_cell_density_million_ml": 21.946}, {"agitation_rpm": 285.929, "airflow_vvm": 0.181, "cer_mmol_l_h": 7.163, "dissolved_oxygen_pct": 18.232, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.785, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.486, "our_mmol_l_h": 7.806, "ph": 6.987, "phase": "production", "temperature_c": 35.787, "viability_pct": 96.467, "viable_cell_density_million_ml": 22.943}]


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

Trajectory excerpt:
[{"agitation_rpm": 277.897, "airflow_vvm": 0.294, "cer_mmol_l_h": 6.023, "dissolved_oxygen_pct": 36.672, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.993, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.825, "our_mmol_l_h": 6.544, "ph": 6.967, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.539, "viable_cell_density_million_ml": 19.137}, {"agitation_rpm": 285.802, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.445, "dissolved_oxygen_pct": 36.961, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.99, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.747, "our_mmol_l_h": 7.003, "ph": 6.979, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.494, "viable_cell_density_million_ml": 20.562}, {"agitation_rpm": 283.94, "airflow_vvm": 0.251, "cer_mmol_l_h": 6.881, "dissolved_oxygen_pct": 28.775, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.858, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.636, "our_mmol_l_h": 7.482, "ph": 6.984, "phase": "production", "temperature_c": 35.788, "viability_pct": 98.595, "viable_cell_density_million_ml": 21.946}, {"agitation_rpm": 285.929, "airflow_vvm": 0.181, "cer_mmol_l_h": 7.163, "dissolved_oxygen_pct": 18.232, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.785, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.486, "our_mmol_l_h": 7.806, "ph": 6.987, "phase": "production", "temperature_c": 35.787, "viability_pct": 96.467, "viable_cell_density_million_ml": 22.943}]


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

Trajectory excerpt:
[{"agitation_rpm": 277.897, "airflow_vvm": 0.294, "cer_mmol_l_h": 6.023, "dissolved_oxygen_pct": 36.672, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.993, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.825, "our_mmol_l_h": 6.544, "ph": 6.967, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.539, "viable_cell_density_million_ml": 19.137}, {"agitation_rpm": 285.802, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.445, "dissolved_oxygen_pct": 36.961, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.99, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.747, "our_mmol_l_h": 7.003, "ph": 6.979, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.494, "viable_cell_density_million_ml": 20.562}, {"agitation_rpm": 283.94, "airflow_vvm": 0.251, "cer_mmol_l_h": 6.881, "dissolved_oxygen_pct": 28.775, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.858, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.636, "our_mmol_l_h": 7.482, "ph": 6.984, "phase": "production", "temperature_c": 35.788, "viability_pct": 98.595, "viable_cell_density_million_ml": 21.946}, {"agitation_rpm": 285.929, "airflow_vvm": 0.181, "cer_mmol_l_h": 7.163, "dissolved_oxygen_pct": 18.232, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.785, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.486, "our_mmol_l_h": 7.806, "ph": 6.987, "phase": "production", "temperature_c": 35.787, "viability_pct": 96.467, "viable_cell_density_million_ml": 22.943}]


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": 277.897, "airflow_vvm": 0.294, "cer_mmol_l_h": 6.023, "dissolved_oxygen_pct": 36.672, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.993, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.825, "our_mmol_l_h": 6.544, "ph": 6.967, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.539, "viable_cell_density_million_ml": 19.137}, {"agitation_rpm": 285.802, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.445, "dissolved_oxygen_pct": 36.961, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.99, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.747, "our_mmol_l_h": 7.003, "ph": 6.979, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.494, "viable_cell_density_million_ml": 20.562}, {"agitation_rpm": 283.94, "airflow_vvm": 0.251, "cer_mmol_l_h": 6.881, "dissolved_oxygen_pct": 28.775, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.858, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.636, "our_mmol_l_h": 7.482, "ph": 6.984, "phase": "production", "temperature_c": 35.788, "viability_pct": 98.595, "viable_cell_density_million_ml": 21.946}, {"agitation_rpm": 285.929, "airflow_vvm": 0.181, "cer_mmol_l_h": 7.163, "dissolved_oxygen_pct": 18.232, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.785, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.486, "our_mmol_l_h": 7.806, "ph": 6.987, "phase": "production", "temperature_c": 35.787, "viability_pct": 96.467, "viable_cell_density_million_ml": 22.943}]


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

Trajectory excerpt:
[{"agitation_rpm": 251.344, "airflow_vvm": 0.259, "cer_mmol_l_h": 5.113, "dissolved_oxygen_pct": 37.227, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.465, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.232, "our_mmol_l_h": 5.518, "ph": 7.0, "phase": "exponential", "temperature_c": 36.797, "viability_pct": 98.712, "viable_cell_density_million_ml": 16.261}, {"agitation_rpm": 280.498, "airflow_vvm": 0.293, "cer_mmol_l_h": 6.101, "dissolved_oxygen_pct": 36.038, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.353, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.205, "our_mmol_l_h": 6.602, "ph": 7.002, "phase": "exponential", "temperature_c": 36.776, "viability_pct": 98.826, "viable_cell_density_million_ml": 19.502}, {"agitation_rpm": 284.893, "airflow_vvm": 0.299, "cer_mmol_l_h": 7.566, "dissolved_oxygen_pct": 36.348, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.395, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.155, "our_mmol_l_h": 7.681, "ph": 6.996, "phase": "production", "temperature_c": 35.785, "viability_pct": 98.818, "viable_cell_density_million_ml": 23.619}, {"agitation_rpm": 284.326, "airflow_vvm": 0.302, "cer_mmol_l_h": 9.176, "dissolved_oxygen_pct": 36.831, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.214, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.093, "our_mmol_l_h": 8.828, "ph": 7.001, "phase": "production", "temperature_c": 35.791, "viability_pct": 98.905, "viable_cell_density_million_ml": 28.488}]


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": 251.344, "airflow_vvm": 0.259, "cer_mmol_l_h": 5.113, "dissolved_oxygen_pct": 37.227, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.465, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.232, "our_mmol_l_h": 5.518, "ph": 7.0, "phase": "exponential", "temperature_c": 36.797, "viability_pct": 98.712, "viable_cell_density_million_ml": 16.261}, {"agitation_rpm": 280.498, "airflow_vvm": 0.293, "cer_mmol_l_h": 6.101, "dissolved_oxygen_pct": 36.038, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.353, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.205, "our_mmol_l_h": 6.602, "ph": 7.002, "phase": "exponential", "temperature_c": 36.776, "viability_pct": 98.826, "viable_cell_density_million_ml": 19.502}, {"agitation_rpm": 284.893, "airflow_vvm": 0.299, "cer_mmol_l_h": 7.566, "dissolved_oxygen_pct": 36.348, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.395, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.155, "our_mmol_l_h": 7.681, "ph": 6.996, "phase": "production", "temperature_c": 35.785, "viability_pct": 98.818, "viable_cell_density_million_ml": 23.619}, {"agitation_rpm": 284.326, "airflow_vvm": 0.302, "cer_mmol_l_h": 9.176, "dissolved_oxygen_pct": 36.831, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.214, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.093, "our_mmol_l_h": 8.828, "ph": 7.001, "phase": "production", "temperature_c": 35.791, "viability_pct": 98.905, "viable_cell_density_million_ml": 28.488}]


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": 251.344, "airflow_vvm": 0.259, "cer_mmol_l_h": 5.113, "dissolved_oxygen_pct": 37.227, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.465, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.232, "our_mmol_l_h": 5.518, "ph": 7.0, "phase": "exponential", "temperature_c": 36.797, "viability_pct": 98.712, "viable_cell_density_million_ml": 16.261}, {"agitation_rpm": 280.498, "airflow_vvm": 0.293, "cer_mmol_l_h": 6.101, "dissolved_oxygen_pct": 36.038, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.353, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.205, "our_mmol_l_h": 6.602, "ph": 7.002, "phase": "exponential", "temperature_c": 36.776, "viability_pct": 98.826, "viable_cell_density_million_ml": 19.502}, {"agitation_rpm": 284.893, "airflow_vvm": 0.299, "cer_mmol_l_h": 7.566, "dissolved_oxygen_pct": 36.348, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.395, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.155, "our_mmol_l_h": 7.681, "ph": 6.996, "phase": "production", "temperature_c": 35.785, "viability_pct": 98.818, "viable_cell_density_million_ml": 23.619}, {"agitation_rpm": 284.326, "airflow_vvm": 0.302, "cer_mmol_l_h": 9.176, "dissolved_oxygen_pct": 36.831, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.214, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.093, "our_mmol_l_h": 8.828, "ph": 7.001, "phase": "production", "temperature_c": 35.791, "viability_pct": 98.905, "viable_cell_density_million_ml": 28.488}]


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": 251.344, "airflow_vvm": 0.259, "cer_mmol_l_h": 5.113, "dissolved_oxygen_pct": 37.227, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.465, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.232, "our_mmol_l_h": 5.518, "ph": 7.0, "phase": "exponential", "temperature_c": 36.797, "viability_pct": 98.712, "viable_cell_density_million_ml": 16.261}, {"agitation_rpm": 280.498, "airflow_vvm": 0.293, "cer_mmol_l_h": 6.101, "dissolved_oxygen_pct": 36.038, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.353, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.205, "our_mmol_l_h": 6.602, "ph": 7.002, "phase": "exponential", "temperature_c": 36.776, "viability_pct": 98.826, "viable_cell_density_million_ml": 19.502}, {"agitation_rpm": 284.893, "airflow_vvm": 0.299, "cer_mmol_l_h": 7.566, "dissolved_oxygen_pct": 36.348, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.395, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.155, "our_mmol_l_h": 7.681, "ph": 6.996, "phase": "production", "temperature_c": 35.785, "viability_pct": 98.818, "viable_cell_density_million_ml": 23.619}, {"agitation_rpm": 284.326, "airflow_vvm": 0.302, "cer_mmol_l_h": 9.176, "dissolved_oxygen_pct": 36.831, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.214, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.093, "our_mmol_l_h": 8.828, "ph": 7.001, "phase": "production", "temperature_c": 35.791, "viability_pct": 98.905, "viable_cell_density_million_ml": 28.488}]


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": 286.191, "airflow_vvm": 0.298, "cer_mmol_l_h": 7.988, "dissolved_oxygen_pct": 36.105, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.351, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.151, "our_mmol_l_h": 8.695, "ph": 6.997, "phase": "production", "temperature_c": 35.785, "viability_pct": 98.657, "viable_cell_density_million_ml": 25.627}, {"agitation_rpm": 285.633, "airflow_vvm": 0.301, "cer_mmol_l_h": 8.833, "dissolved_oxygen_pct": 36.633, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.381, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.098, "our_mmol_l_h": 9.575, "ph": 6.995, "phase": "production", "temperature_c": 35.816, "viability_pct": 98.698, "viable_cell_density_million_ml": 28.29}, {"agitation_rpm": 284.302, "airflow_vvm": 0.247, "cer_mmol_l_h": 9.858, "dissolved_oxygen_pct": 28.935, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.527, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.036, "our_mmol_l_h": 10.735, "ph": 7.007, "phase": "production", "temperature_c": 35.819, "viability_pct": 98.923, "viable_cell_density_million_ml": 31.47}, {"agitation_rpm": 283.892, "airflow_vvm": 0.18, "cer_mmol_l_h": 10.806, "dissolved_oxygen_pct": 18.853, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.72, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.009, "our_mmol_l_h": 11.761, "ph": 6.999, "phase": "production", "temperature_c": 35.789, "viability_pct": 98.919, "viable_cell_density_million_ml": 34.584}]


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": 286.191, "airflow_vvm": 0.298, "cer_mmol_l_h": 7.988, "dissolved_oxygen_pct": 36.105, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.351, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.151, "our_mmol_l_h": 8.695, "ph": 6.997, "phase": "production", "temperature_c": 35.785, "viability_pct": 98.657, "viable_cell_density_million_ml": 25.627}, {"agitation_rpm": 285.633, "airflow_vvm": 0.301, "cer_mmol_l_h": 8.833, "dissolved_oxygen_pct": 36.633, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.381, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.098, "our_mmol_l_h": 9.575, "ph": 6.995, "phase": "production", "temperature_c": 35.816, "viability_pct": 98.698, "viable_cell_density_million_ml": 28.29}, {"agitation_rpm": 284.302, "airflow_vvm": 0.247, "cer_mmol_l_h": 9.858, "dissolved_oxygen_pct": 28.935, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.527, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.036, "our_mmol_l_h": 10.735, "ph": 7.007, "phase": "production", "temperature_c": 35.819, "viability_pct": 98.923, "viable_cell_density_million_ml": 31.47}, {"agitation_rpm": 283.892, "airflow_vvm": 0.18, "cer_mmol_l_h": 10.806, "dissolved_oxygen_pct": 18.853, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.72, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.009, "our_mmol_l_h": 11.761, "ph": 6.999, "phase": "production", "temperature_c": 35.789, "viability_pct": 98.919, "viable_cell_density_million_ml": 34.584}]


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": 286.191, "airflow_vvm": 0.298, "cer_mmol_l_h": 7.988, "dissolved_oxygen_pct": 36.105, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.351, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.151, "our_mmol_l_h": 8.695, "ph": 6.997, "phase": "production", "temperature_c": 35.785, "viability_pct": 98.657, "viable_cell_density_million_ml": 25.627}, {"agitation_rpm": 285.633, "airflow_vvm": 0.301, "cer_mmol_l_h": 8.833, "dissolved_oxygen_pct": 36.633, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.381, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.098, "our_mmol_l_h": 9.575, "ph": 6.995, "phase": "production", "temperature_c": 35.816, "viability_pct": 98.698, "viable_cell_density_million_ml": 28.29}, {"agitation_rpm": 284.302, "airflow_vvm": 0.247, "cer_mmol_l_h": 9.858, "dissolved_oxygen_pct": 28.935, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.527, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.036, "our_mmol_l_h": 10.735, "ph": 7.007, "phase": "production", "temperature_c": 35.819, "viability_pct": 98.923, "viable_cell_density_million_ml": 31.47}, {"agitation_rpm": 283.892, "airflow_vvm": 0.18, "cer_mmol_l_h": 10.806, "dissolved_oxygen_pct": 18.853, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.72, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.009, "our_mmol_l_h": 11.761, "ph": 6.999, "phase": "production", "temperature_c": 35.789, "viability_pct": 98.919, "viable_cell_density_million_ml": 34.584}]


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": 286.191, "airflow_vvm": 0.298, "cer_mmol_l_h": 7.988, "dissolved_oxygen_pct": 36.105, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.351, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.151, "our_mmol_l_h": 8.695, "ph": 6.997, "phase": "production", "temperature_c": 35.785, "viability_pct": 98.657, "viable_cell_density_million_ml": 25.627}, {"agitation_rpm": 285.633, "airflow_vvm": 0.301, "cer_mmol_l_h": 8.833, "dissolved_oxygen_pct": 36.633, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.381, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.098, "our_mmol_l_h": 9.575, "ph": 6.995, "phase": "production", "temperature_c": 35.816, "viability_pct": 98.698, "viable_cell_density_million_ml": 28.29}, {"agitation_rpm": 284.302, "airflow_vvm": 0.247, "cer_mmol_l_h": 9.858, "dissolved_oxygen_pct": 28.935, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.527, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.036, "our_mmol_l_h": 10.735, "ph": 7.007, "phase": "production", "temperature_c": 35.819, "viability_pct": 98.923, "viable_cell_density_million_ml": 31.47}, {"agitation_rpm": 283.892, "airflow_vvm": 0.18, "cer_mmol_l_h": 10.806, "dissolved_oxygen_pct": 18.853, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.72, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.009, "our_mmol_l_h": 11.761, "ph": 6.999, "phase": "production", "temperature_c": 35.789, "viability_pct": 98.919, "viable_cell_density_million_ml": 34.584}]


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

Trajectory excerpt:
[{"agitation_rpm": 277.251, "airflow_vvm": 0.292, "cer_mmol_l_h": 6.035, "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": 4.006, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.797, "our_mmol_l_h": 6.511, "ph": 6.973, "phase": "production", "temperature_c": 35.823, "viability_pct": 98.425, "viable_cell_density_million_ml": 19.249}, {"agitation_rpm": 285.717, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.411, "dissolved_oxygen_pct": 36.028, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.933, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.711, "our_mmol_l_h": 6.98, "ph": 6.966, "phase": "production", "temperature_c": 35.825, "viability_pct": 98.588, "viable_cell_density_million_ml": 20.615}, {"agitation_rpm": 284.389, "airflow_vvm": 0.298, "cer_mmol_l_h": 6.883, "dissolved_oxygen_pct": 35.897, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.964, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.637, "our_mmol_l_h": 6.996, "ph": 6.974, "phase": "production", "temperature_c": 35.781, "viability_pct": 98.409, "viable_cell_density_million_ml": 21.532}, {"agitation_rpm": 285.939, "airflow_vvm": 0.302, "cer_mmol_l_h": 7.168, "dissolved_oxygen_pct": 36.993, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.605, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.475, "our_mmol_l_h": 6.646, "ph": 6.985, "phase": "production", "temperature_c": 35.798, "viability_pct": 96.715, "viable_cell_density_million_ml": 21.988}]


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

Trajectory excerpt:
[{"agitation_rpm": 277.251, "airflow_vvm": 0.292, "cer_mmol_l_h": 6.035, "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": 4.006, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.797, "our_mmol_l_h": 6.511, "ph": 6.973, "phase": "production", "temperature_c": 35.823, "viability_pct": 98.425, "viable_cell_density_million_ml": 19.249}, {"agitation_rpm": 285.717, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.411, "dissolved_oxygen_pct": 36.028, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.933, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.711, "our_mmol_l_h": 6.98, "ph": 6.966, "phase": "production", "temperature_c": 35.825, "viability_pct": 98.588, "viable_cell_density_million_ml": 20.615}, {"agitation_rpm": 284.389, "airflow_vvm": 0.298, "cer_mmol_l_h": 6.883, "dissolved_oxygen_pct": 35.897, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.964, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.637, "our_mmol_l_h": 6.996, "ph": 6.974, "phase": "production", "temperature_c": 35.781, "viability_pct": 98.409, "viable_cell_density_million_ml": 21.532}, {"agitation_rpm": 285.939, "airflow_vvm": 0.302, "cer_mmol_l_h": 7.168, "dissolved_oxygen_pct": 36.993, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.605, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.475, "our_mmol_l_h": 6.646, "ph": 6.985, "phase": "production", "temperature_c": 35.798, "viability_pct": 96.715, "viable_cell_density_million_ml": 21.988}]


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

Trajectory excerpt:
[{"agitation_rpm": 277.251, "airflow_vvm": 0.292, "cer_mmol_l_h": 6.035, "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": 4.006, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.797, "our_mmol_l_h": 6.511, "ph": 6.973, "phase": "production", "temperature_c": 35.823, "viability_pct": 98.425, "viable_cell_density_million_ml": 19.249}, {"agitation_rpm": 285.717, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.411, "dissolved_oxygen_pct": 36.028, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.933, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.711, "our_mmol_l_h": 6.98, "ph": 6.966, "phase": "production", "temperature_c": 35.825, "viability_pct": 98.588, "viable_cell_density_million_ml": 20.615}, {"agitation_rpm": 284.389, "airflow_vvm": 0.298, "cer_mmol_l_h": 6.883, "dissolved_oxygen_pct": 35.897, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.964, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.637, "our_mmol_l_h": 6.996, "ph": 6.974, "phase": "production", "temperature_c": 35.781, "viability_pct": 98.409, "viable_cell_density_million_ml": 21.532}, {"agitation_rpm": 285.939, "airflow_vvm": 0.302, "cer_mmol_l_h": 7.168, "dissolved_oxygen_pct": 36.993, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.605, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.475, "our_mmol_l_h": 6.646, "ph": 6.985, "phase": "production", "temperature_c": 35.798, "viability_pct": 96.715, "viable_cell_density_million_ml": 21.988}]


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": 277.251, "airflow_vvm": 0.292, "cer_mmol_l_h": 6.035, "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": 4.006, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.797, "our_mmol_l_h": 6.511, "ph": 6.973, "phase": "production", "temperature_c": 35.823, "viability_pct": 98.425, "viable_cell_density_million_ml": 19.249}, {"agitation_rpm": 285.717, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.411, "dissolved_oxygen_pct": 36.028, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.933, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.711, "our_mmol_l_h": 6.98, "ph": 6.966, "phase": "production", "temperature_c": 35.825, "viability_pct": 98.588, "viable_cell_density_million_ml": 20.615}, {"agitation_rpm": 284.389, "airflow_vvm": 0.298, "cer_mmol_l_h": 6.883, "dissolved_oxygen_pct": 35.897, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.964, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.637, "our_mmol_l_h": 6.996, "ph": 6.974, "phase": "production", "temperature_c": 35.781, "viability_pct": 98.409, "viable_cell_density_million_ml": 21.532}, {"agitation_rpm": 285.939, "airflow_vvm": 0.302, "cer_mmol_l_h": 7.168, "dissolved_oxygen_pct": 36.993, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.605, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.475, "our_mmol_l_h": 6.646, "ph": 6.985, "phase": "production", "temperature_c": 35.798, "viability_pct": 96.715, "viable_cell_density_million_ml": 21.988}]


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": 225.641, "airflow_vvm": 0.229, "cer_mmol_l_h": 4.256, "dissolved_oxygen_pct": 39.387, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.124, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 2.026, "our_mmol_l_h": 4.592, "ph": 6.957, "phase": "exponential", "temperature_c": 36.809, "viability_pct": 98.628, "viable_cell_density_million_ml": 13.573}, {"agitation_rpm": 246.972, "airflow_vvm": 0.251, "cer_mmol_l_h": 4.913, "dissolved_oxygen_pct": 38.302, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.14, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.95, "our_mmol_l_h": 5.336, "ph": 6.967, "phase": "exponential", "temperature_c": 36.812, "viability_pct": 98.456, "viable_cell_density_million_ml": 15.604}, {"agitation_rpm": 269.616, "airflow_vvm": 0.23, "cer_mmol_l_h": 5.784, "dissolved_oxygen_pct": 28.991, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.996, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.843, "our_mmol_l_h": 6.269, "ph": 6.965, "phase": "production", "temperature_c": 35.816, "viability_pct": 98.628, "viable_cell_density_million_ml": 18.368}, {"agitation_rpm": 284.577, "airflow_vvm": 0.183, "cer_mmol_l_h": 6.572, "dissolved_oxygen_pct": 18.919, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.956, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.685, "our_mmol_l_h": 7.183, "ph": 6.968, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.628, "viable_cell_density_million_ml": 21.111}]


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": 225.641, "airflow_vvm": 0.229, "cer_mmol_l_h": 4.256, "dissolved_oxygen_pct": 39.387, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.124, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 2.026, "our_mmol_l_h": 4.592, "ph": 6.957, "phase": "exponential", "temperature_c": 36.809, "viability_pct": 98.628, "viable_cell_density_million_ml": 13.573}, {"agitation_rpm": 246.972, "airflow_vvm": 0.251, "cer_mmol_l_h": 4.913, "dissolved_oxygen_pct": 38.302, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.14, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.95, "our_mmol_l_h": 5.336, "ph": 6.967, "phase": "exponential", "temperature_c": 36.812, "viability_pct": 98.456, "viable_cell_density_million_ml": 15.604}, {"agitation_rpm": 269.616, "airflow_vvm": 0.23, "cer_mmol_l_h": 5.784, "dissolved_oxygen_pct": 28.991, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.996, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.843, "our_mmol_l_h": 6.269, "ph": 6.965, "phase": "production", "temperature_c": 35.816, "viability_pct": 98.628, "viable_cell_density_million_ml": 18.368}, {"agitation_rpm": 284.577, "airflow_vvm": 0.183, "cer_mmol_l_h": 6.572, "dissolved_oxygen_pct": 18.919, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.956, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.685, "our_mmol_l_h": 7.183, "ph": 6.968, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.628, "viable_cell_density_million_ml": 21.111}]


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": 225.641, "airflow_vvm": 0.229, "cer_mmol_l_h": 4.256, "dissolved_oxygen_pct": 39.387, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.124, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 2.026, "our_mmol_l_h": 4.592, "ph": 6.957, "phase": "exponential", "temperature_c": 36.809, "viability_pct": 98.628, "viable_cell_density_million_ml": 13.573}, {"agitation_rpm": 246.972, "airflow_vvm": 0.251, "cer_mmol_l_h": 4.913, "dissolved_oxygen_pct": 38.302, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.14, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.95, "our_mmol_l_h": 5.336, "ph": 6.967, "phase": "exponential", "temperature_c": 36.812, "viability_pct": 98.456, "viable_cell_density_million_ml": 15.604}, {"agitation_rpm": 269.616, "airflow_vvm": 0.23, "cer_mmol_l_h": 5.784, "dissolved_oxygen_pct": 28.991, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.996, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.843, "our_mmol_l_h": 6.269, "ph": 6.965, "phase": "production", "temperature_c": 35.816, "viability_pct": 98.628, "viable_cell_density_million_ml": 18.368}, {"agitation_rpm": 284.577, "airflow_vvm": 0.183, "cer_mmol_l_h": 6.572, "dissolved_oxygen_pct": 18.919, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.956, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.685, "our_mmol_l_h": 7.183, "ph": 6.968, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.628, "viable_cell_density_million_ml": 21.111}]


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": 225.641, "airflow_vvm": 0.229, "cer_mmol_l_h": 4.256, "dissolved_oxygen_pct": 39.387, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.124, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 2.026, "our_mmol_l_h": 4.592, "ph": 6.957, "phase": "exponential", "temperature_c": 36.809, "viability_pct": 98.628, "viable_cell_density_million_ml": 13.573}, {"agitation_rpm": 246.972, "airflow_vvm": 0.251, "cer_mmol_l_h": 4.913, "dissolved_oxygen_pct": 38.302, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.14, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.95, "our_mmol_l_h": 5.336, "ph": 6.967, "phase": "exponential", "temperature_c": 36.812, "viability_pct": 98.456, "viable_cell_density_million_ml": 15.604}, {"agitation_rpm": 269.616, "airflow_vvm": 0.23, "cer_mmol_l_h": 5.784, "dissolved_oxygen_pct": 28.991, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.996, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.843, "our_mmol_l_h": 6.269, "ph": 6.965, "phase": "production", "temperature_c": 35.816, "viability_pct": 98.628, "viable_cell_density_million_ml": 18.368}, {"agitation_rpm": 284.577, "airflow_vvm": 0.183, "cer_mmol_l_h": 6.572, "dissolved_oxygen_pct": 18.919, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.956, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.685, "our_mmol_l_h": 7.183, "ph": 6.968, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.628, "viable_cell_density_million_ml": 21.111}]


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": 285.721, "airflow_vvm": 0.298, "cer_mmol_l_h": 7.998, "dissolved_oxygen_pct": 36.138, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.339, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.153, "our_mmol_l_h": 8.663, "ph": 6.995, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.725, "viable_cell_density_million_ml": 25.615}, {"agitation_rpm": 284.05, "airflow_vvm": 0.3, "cer_mmol_l_h": 8.833, "dissolved_oxygen_pct": 36.589, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.444, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.099, "our_mmol_l_h": 9.574, "ph": 7.001, "phase": "production", "temperature_c": 35.816, "viability_pct": 98.917, "viable_cell_density_million_ml": 28.169}, {"agitation_rpm": 285.62, "airflow_vvm": 0.3, "cer_mmol_l_h": 9.868, "dissolved_oxygen_pct": 35.672, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.599, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.044, "our_mmol_l_h": 10.198, "ph": 7.002, "phase": "production", "temperature_c": 35.8, "viability_pct": 98.807, "viable_cell_density_million_ml": 31.124}, {"agitation_rpm": 284.364, "airflow_vvm": 0.301, "cer_mmol_l_h": 10.794, "dissolved_oxygen_pct": 36.157, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.53, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.017, "our_mmol_l_h": 10.523, "ph": 7.002, "phase": "production", "temperature_c": 35.779, "viability_pct": 98.69, "viable_cell_density_million_ml": 33.57}]


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": 285.721, "airflow_vvm": 0.298, "cer_mmol_l_h": 7.998, "dissolved_oxygen_pct": 36.138, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.339, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.153, "our_mmol_l_h": 8.663, "ph": 6.995, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.725, "viable_cell_density_million_ml": 25.615}, {"agitation_rpm": 284.05, "airflow_vvm": 0.3, "cer_mmol_l_h": 8.833, "dissolved_oxygen_pct": 36.589, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.444, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.099, "our_mmol_l_h": 9.574, "ph": 7.001, "phase": "production", "temperature_c": 35.816, "viability_pct": 98.917, "viable_cell_density_million_ml": 28.169}, {"agitation_rpm": 285.62, "airflow_vvm": 0.3, "cer_mmol_l_h": 9.868, "dissolved_oxygen_pct": 35.672, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.599, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.044, "our_mmol_l_h": 10.198, "ph": 7.002, "phase": "production", "temperature_c": 35.8, "viability_pct": 98.807, "viable_cell_density_million_ml": 31.124}, {"agitation_rpm": 284.364, "airflow_vvm": 0.301, "cer_mmol_l_h": 10.794, "dissolved_oxygen_pct": 36.157, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.53, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.017, "our_mmol_l_h": 10.523, "ph": 7.002, "phase": "production", "temperature_c": 35.779, "viability_pct": 98.69, "viable_cell_density_million_ml": 33.57}]


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": 285.721, "airflow_vvm": 0.298, "cer_mmol_l_h": 7.998, "dissolved_oxygen_pct": 36.138, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.339, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.153, "our_mmol_l_h": 8.663, "ph": 6.995, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.725, "viable_cell_density_million_ml": 25.615}, {"agitation_rpm": 284.05, "airflow_vvm": 0.3, "cer_mmol_l_h": 8.833, "dissolved_oxygen_pct": 36.589, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.444, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.099, "our_mmol_l_h": 9.574, "ph": 7.001, "phase": "production", "temperature_c": 35.816, "viability_pct": 98.917, "viable_cell_density_million_ml": 28.169}, {"agitation_rpm": 285.62, "airflow_vvm": 0.3, "cer_mmol_l_h": 9.868, "dissolved_oxygen_pct": 35.672, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.599, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.044, "our_mmol_l_h": 10.198, "ph": 7.002, "phase": "production", "temperature_c": 35.8, "viability_pct": 98.807, "viable_cell_density_million_ml": 31.124}, {"agitation_rpm": 284.364, "airflow_vvm": 0.301, "cer_mmol_l_h": 10.794, "dissolved_oxygen_pct": 36.157, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.53, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.017, "our_mmol_l_h": 10.523, "ph": 7.002, "phase": "production", "temperature_c": 35.779, "viability_pct": 98.69, "viable_cell_density_million_ml": 33.57}]


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": 285.721, "airflow_vvm": 0.298, "cer_mmol_l_h": 7.998, "dissolved_oxygen_pct": 36.138, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.339, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.153, "our_mmol_l_h": 8.663, "ph": 6.995, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.725, "viable_cell_density_million_ml": 25.615}, {"agitation_rpm": 284.05, "airflow_vvm": 0.3, "cer_mmol_l_h": 8.833, "dissolved_oxygen_pct": 36.589, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.444, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.099, "our_mmol_l_h": 9.574, "ph": 7.001, "phase": "production", "temperature_c": 35.816, "viability_pct": 98.917, "viable_cell_density_million_ml": 28.169}, {"agitation_rpm": 285.62, "airflow_vvm": 0.3, "cer_mmol_l_h": 9.868, "dissolved_oxygen_pct": 35.672, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.599, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.044, "our_mmol_l_h": 10.198, "ph": 7.002, "phase": "production", "temperature_c": 35.8, "viability_pct": 98.807, "viable_cell_density_million_ml": 31.124}, {"agitation_rpm": 284.364, "airflow_vvm": 0.301, "cer_mmol_l_h": 10.794, "dissolved_oxygen_pct": 36.157, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.53, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.017, "our_mmol_l_h": 10.523, "ph": 7.002, "phase": "production", "temperature_c": 35.779, "viability_pct": 98.69, "viable_cell_density_million_ml": 33.57}]


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": 250.623, "airflow_vvm": 0.257, "cer_mmol_l_h": 5.127, "dissolved_oxygen_pct": 36.955, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.487, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.241, "our_mmol_l_h": 5.547, "ph": 6.99, "phase": "exponential", "temperature_c": 36.781, "viability_pct": 98.77, "viable_cell_density_million_ml": 16.294}, {"agitation_rpm": 279.48, "airflow_vvm": 0.292, "cer_mmol_l_h": 6.055, "dissolved_oxygen_pct": 35.728, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.39, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.181, "our_mmol_l_h": 6.616, "ph": 6.993, "phase": "exponential", "temperature_c": 36.823, "viability_pct": 98.931, "viable_cell_density_million_ml": 19.516}, {"agitation_rpm": 283.919, "airflow_vvm": 0.25, "cer_mmol_l_h": 7.523, "dissolved_oxygen_pct": 28.321, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.352, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.171, "our_mmol_l_h": 8.223, "ph": 6.991, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.761, "viable_cell_density_million_ml": 24.167}, {"agitation_rpm": 285.196, "airflow_vvm": 0.178, "cer_mmol_l_h": 9.195, "dissolved_oxygen_pct": 18.139, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.407, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.107, "our_mmol_l_h": 10.007, "ph": 7.003, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.876, "viable_cell_density_million_ml": 29.371}]


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": 250.623, "airflow_vvm": 0.257, "cer_mmol_l_h": 5.127, "dissolved_oxygen_pct": 36.955, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.487, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.241, "our_mmol_l_h": 5.547, "ph": 6.99, "phase": "exponential", "temperature_c": 36.781, "viability_pct": 98.77, "viable_cell_density_million_ml": 16.294}, {"agitation_rpm": 279.48, "airflow_vvm": 0.292, "cer_mmol_l_h": 6.055, "dissolved_oxygen_pct": 35.728, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.39, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.181, "our_mmol_l_h": 6.616, "ph": 6.993, "phase": "exponential", "temperature_c": 36.823, "viability_pct": 98.931, "viable_cell_density_million_ml": 19.516}, {"agitation_rpm": 283.919, "airflow_vvm": 0.25, "cer_mmol_l_h": 7.523, "dissolved_oxygen_pct": 28.321, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.352, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.171, "our_mmol_l_h": 8.223, "ph": 6.991, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.761, "viable_cell_density_million_ml": 24.167}, {"agitation_rpm": 285.196, "airflow_vvm": 0.178, "cer_mmol_l_h": 9.195, "dissolved_oxygen_pct": 18.139, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.407, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.107, "our_mmol_l_h": 10.007, "ph": 7.003, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.876, "viable_cell_density_million_ml": 29.371}]


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": 250.623, "airflow_vvm": 0.257, "cer_mmol_l_h": 5.127, "dissolved_oxygen_pct": 36.955, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.487, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.241, "our_mmol_l_h": 5.547, "ph": 6.99, "phase": "exponential", "temperature_c": 36.781, "viability_pct": 98.77, "viable_cell_density_million_ml": 16.294}, {"agitation_rpm": 279.48, "airflow_vvm": 0.292, "cer_mmol_l_h": 6.055, "dissolved_oxygen_pct": 35.728, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.39, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.181, "our_mmol_l_h": 6.616, "ph": 6.993, "phase": "exponential", "temperature_c": 36.823, "viability_pct": 98.931, "viable_cell_density_million_ml": 19.516}, {"agitation_rpm": 283.919, "airflow_vvm": 0.25, "cer_mmol_l_h": 7.523, "dissolved_oxygen_pct": 28.321, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.352, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.171, "our_mmol_l_h": 8.223, "ph": 6.991, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.761, "viable_cell_density_million_ml": 24.167}, {"agitation_rpm": 285.196, "airflow_vvm": 0.178, "cer_mmol_l_h": 9.195, "dissolved_oxygen_pct": 18.139, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.407, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.107, "our_mmol_l_h": 10.007, "ph": 7.003, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.876, "viable_cell_density_million_ml": 29.371}]


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": 250.623, "airflow_vvm": 0.257, "cer_mmol_l_h": 5.127, "dissolved_oxygen_pct": 36.955, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.487, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.241, "our_mmol_l_h": 5.547, "ph": 6.99, "phase": "exponential", "temperature_c": 36.781, "viability_pct": 98.77, "viable_cell_density_million_ml": 16.294}, {"agitation_rpm": 279.48, "airflow_vvm": 0.292, "cer_mmol_l_h": 6.055, "dissolved_oxygen_pct": 35.728, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.39, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.181, "our_mmol_l_h": 6.616, "ph": 6.993, "phase": "exponential", "temperature_c": 36.823, "viability_pct": 98.931, "viable_cell_density_million_ml": 19.516}, {"agitation_rpm": 283.919, "airflow_vvm": 0.25, "cer_mmol_l_h": 7.523, "dissolved_oxygen_pct": 28.321, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.352, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.171, "our_mmol_l_h": 8.223, "ph": 6.991, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.761, "viable_cell_density_million_ml": 24.167}, {"agitation_rpm": 285.196, "airflow_vvm": 0.178, "cer_mmol_l_h": 9.195, "dissolved_oxygen_pct": 18.139, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.407, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.107, "our_mmol_l_h": 10.007, "ph": 7.003, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.876, "viable_cell_density_million_ml": 29.371}]


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

Trajectory excerpt:
[{"agitation_rpm": 278.65, "airflow_vvm": 0.293, "cer_mmol_l_h": 6.017, "dissolved_oxygen_pct": 36.154, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.982, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.822, "our_mmol_l_h": 6.531, "ph": 6.971, "phase": "production", "temperature_c": 35.803, "viability_pct": 98.613, "viable_cell_density_million_ml": 19.232}, {"agitation_rpm": 286.053, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.422, "dissolved_oxygen_pct": 36.432, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.93, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.734, "our_mmol_l_h": 6.957, "ph": 6.964, "phase": "production", "temperature_c": 35.815, "viability_pct": 98.536, "viable_cell_density_million_ml": 20.604}, {"agitation_rpm": 284.069, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.895, "dissolved_oxygen_pct": 36.679, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.951, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.623, "our_mmol_l_h": 6.958, "ph": 6.984, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.645, "viable_cell_density_million_ml": 21.662}, {"agitation_rpm": 285.521, "airflow_vvm": 0.299, "cer_mmol_l_h": 7.217, "dissolved_oxygen_pct": 36.272, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.577, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.504, "our_mmol_l_h": 6.595, "ph": 6.98, "phase": "production", "temperature_c": 35.78, "viability_pct": 96.706, "viable_cell_density_million_ml": 22.007}]


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

Trajectory excerpt:
[{"agitation_rpm": 278.65, "airflow_vvm": 0.293, "cer_mmol_l_h": 6.017, "dissolved_oxygen_pct": 36.154, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.982, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.822, "our_mmol_l_h": 6.531, "ph": 6.971, "phase": "production", "temperature_c": 35.803, "viability_pct": 98.613, "viable_cell_density_million_ml": 19.232}, {"agitation_rpm": 286.053, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.422, "dissolved_oxygen_pct": 36.432, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.93, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.734, "our_mmol_l_h": 6.957, "ph": 6.964, "phase": "production", "temperature_c": 35.815, "viability_pct": 98.536, "viable_cell_density_million_ml": 20.604}, {"agitation_rpm": 284.069, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.895, "dissolved_oxygen_pct": 36.679, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.951, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.623, "our_mmol_l_h": 6.958, "ph": 6.984, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.645, "viable_cell_density_million_ml": 21.662}, {"agitation_rpm": 285.521, "airflow_vvm": 0.299, "cer_mmol_l_h": 7.217, "dissolved_oxygen_pct": 36.272, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.577, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.504, "our_mmol_l_h": 6.595, "ph": 6.98, "phase": "production", "temperature_c": 35.78, "viability_pct": 96.706, "viable_cell_density_million_ml": 22.007}]


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

Trajectory excerpt:
[{"agitation_rpm": 278.65, "airflow_vvm": 0.293, "cer_mmol_l_h": 6.017, "dissolved_oxygen_pct": 36.154, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.982, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.822, "our_mmol_l_h": 6.531, "ph": 6.971, "phase": "production", "temperature_c": 35.803, "viability_pct": 98.613, "viable_cell_density_million_ml": 19.232}, {"agitation_rpm": 286.053, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.422, "dissolved_oxygen_pct": 36.432, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.93, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.734, "our_mmol_l_h": 6.957, "ph": 6.964, "phase": "production", "temperature_c": 35.815, "viability_pct": 98.536, "viable_cell_density_million_ml": 20.604}, {"agitation_rpm": 284.069, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.895, "dissolved_oxygen_pct": 36.679, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.951, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.623, "our_mmol_l_h": 6.958, "ph": 6.984, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.645, "viable_cell_density_million_ml": 21.662}, {"agitation_rpm": 285.521, "airflow_vvm": 0.299, "cer_mmol_l_h": 7.217, "dissolved_oxygen_pct": 36.272, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.577, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.504, "our_mmol_l_h": 6.595, "ph": 6.98, "phase": "production", "temperature_c": 35.78, "viability_pct": 96.706, "viable_cell_density_million_ml": 22.007}]


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

Trajectory excerpt:
[{"agitation_rpm": 278.65, "airflow_vvm": 0.293, "cer_mmol_l_h": 6.017, "dissolved_oxygen_pct": 36.154, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.982, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.822, "our_mmol_l_h": 6.531, "ph": 6.971, "phase": "production", "temperature_c": 35.803, "viability_pct": 98.613, "viable_cell_density_million_ml": 19.232}, {"agitation_rpm": 286.053, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.422, "dissolved_oxygen_pct": 36.432, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.93, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.734, "our_mmol_l_h": 6.957, "ph": 6.964, "phase": "production", "temperature_c": 35.815, "viability_pct": 98.536, "viable_cell_density_million_ml": 20.604}, {"agitation_rpm": 284.069, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.895, "dissolved_oxygen_pct": 36.679, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.951, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.623, "our_mmol_l_h": 6.958, "ph": 6.984, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.645, "viable_cell_density_million_ml": 21.662}, {"agitation_rpm": 285.521, "airflow_vvm": 0.299, "cer_mmol_l_h": 7.217, "dissolved_oxygen_pct": 36.272, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.577, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.504, "our_mmol_l_h": 6.595, "ph": 6.98, "phase": "production", "temperature_c": 35.78, "viability_pct": 96.706, "viable_cell_density_million_ml": 22.007}]


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

Trajectory excerpt:
[{"agitation_rpm": 278.391, "airflow_vvm": 0.294, "cer_mmol_l_h": 6.0, "dissolved_oxygen_pct": 36.383, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.039, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.817, "our_mmol_l_h": 6.535, "ph": 6.973, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.392, "viable_cell_density_million_ml": 19.266}, {"agitation_rpm": 284.204, "airflow_vvm": 0.302, "cer_mmol_l_h": 6.437, "dissolved_oxygen_pct": 36.144, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.962, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.758, "our_mmol_l_h": 6.984, "ph": 6.97, "phase": "production", "temperature_c": 35.788, "viability_pct": 98.535, "viable_cell_density_million_ml": 20.589}, {"agitation_rpm": 284.957, "airflow_vvm": 0.246, "cer_mmol_l_h": 6.891, "dissolved_oxygen_pct": 28.86, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.885, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.619, "our_mmol_l_h": 7.511, "ph": 6.975, "phase": "production", "temperature_c": 35.799, "viability_pct": 98.585, "viable_cell_density_million_ml": 22.036}, {"agitation_rpm": 283.93, "airflow_vvm": 0.178, "cer_mmol_l_h": 7.179, "dissolved_oxygen_pct": 18.393, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.757, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.484, "our_mmol_l_h": 7.808, "ph": 6.985, "phase": "production", "temperature_c": 35.8, "viability_pct": 96.582, "viable_cell_density_million_ml": 22.961}]


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

Trajectory excerpt:
[{"agitation_rpm": 278.391, "airflow_vvm": 0.294, "cer_mmol_l_h": 6.0, "dissolved_oxygen_pct": 36.383, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.039, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.817, "our_mmol_l_h": 6.535, "ph": 6.973, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.392, "viable_cell_density_million_ml": 19.266}, {"agitation_rpm": 284.204, "airflow_vvm": 0.302, "cer_mmol_l_h": 6.437, "dissolved_oxygen_pct": 36.144, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.962, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.758, "our_mmol_l_h": 6.984, "ph": 6.97, "phase": "production", "temperature_c": 35.788, "viability_pct": 98.535, "viable_cell_density_million_ml": 20.589}, {"agitation_rpm": 284.957, "airflow_vvm": 0.246, "cer_mmol_l_h": 6.891, "dissolved_oxygen_pct": 28.86, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.885, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.619, "our_mmol_l_h": 7.511, "ph": 6.975, "phase": "production", "temperature_c": 35.799, "viability_pct": 98.585, "viable_cell_density_million_ml": 22.036}, {"agitation_rpm": 283.93, "airflow_vvm": 0.178, "cer_mmol_l_h": 7.179, "dissolved_oxygen_pct": 18.393, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.757, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.484, "our_mmol_l_h": 7.808, "ph": 6.985, "phase": "production", "temperature_c": 35.8, "viability_pct": 96.582, "viable_cell_density_million_ml": 22.961}]