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": 277.297, "airflow_vvm": 0.289, "cer_mmol_l_h": 5.984, "dissolved_oxygen_pct": 35.95, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.033, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.83, "our_mmol_l_h": 6.554, "ph": 6.967, "phase": "production", "temperature_c": 35.821, "viability_pct": 98.399, "viable_cell_density_million_ml": 19.154}, {"agitation_rpm": 284.871, "airflow_vvm": 0.302, "cer_mmol_l_h": 6.412, "dissolved_oxygen_pct": 36.252, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.935, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.744, "our_mmol_l_h": 6.982, "ph": 6.978, "phase": "production", "temperature_c": 35.802, "viability_pct": 98.392, "viable_cell_density_million_ml": 20.48}, {"agitation_rpm": 284.905, "airflow_vvm": 0.3, "cer_mmol_l_h": 6.869, "dissolved_oxygen_pct": 36.146, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.96, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.617, "our_mmol_l_h": 6.982, "ph": 6.98, "phase": "production", "temperature_c": 35.779, "viability_pct": 98.474, "viable_cell_density_million_ml": 21.667}, {"agitation_rpm": 284.641, "airflow_vvm": 0.298, "cer_mmol_l_h": 7.204, "dissolved_oxygen_pct": 36.274, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.636, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.469, "our_mmol_l_h": 6.62, "ph": 6.989, "phase": "production", "temperature_c": 35.807, "viability_pct": 96.625, "viable_cell_density_million_ml": 22.054}]


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": 277.297, "airflow_vvm": 0.289, "cer_mmol_l_h": 5.984, "dissolved_oxygen_pct": 35.95, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.033, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.83, "our_mmol_l_h": 6.554, "ph": 6.967, "phase": "production", "temperature_c": 35.821, "viability_pct": 98.399, "viable_cell_density_million_ml": 19.154}, {"agitation_rpm": 284.871, "airflow_vvm": 0.302, "cer_mmol_l_h": 6.412, "dissolved_oxygen_pct": 36.252, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.935, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.744, "our_mmol_l_h": 6.982, "ph": 6.978, "phase": "production", "temperature_c": 35.802, "viability_pct": 98.392, "viable_cell_density_million_ml": 20.48}, {"agitation_rpm": 284.905, "airflow_vvm": 0.3, "cer_mmol_l_h": 6.869, "dissolved_oxygen_pct": 36.146, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.96, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.617, "our_mmol_l_h": 6.982, "ph": 6.98, "phase": "production", "temperature_c": 35.779, "viability_pct": 98.474, "viable_cell_density_million_ml": 21.667}, {"agitation_rpm": 284.641, "airflow_vvm": 0.298, "cer_mmol_l_h": 7.204, "dissolved_oxygen_pct": 36.274, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.636, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.469, "our_mmol_l_h": 6.62, "ph": 6.989, "phase": "production", "temperature_c": 35.807, "viability_pct": 96.625, "viable_cell_density_million_ml": 22.054}]


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": 277.297, "airflow_vvm": 0.289, "cer_mmol_l_h": 5.984, "dissolved_oxygen_pct": 35.95, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.033, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.83, "our_mmol_l_h": 6.554, "ph": 6.967, "phase": "production", "temperature_c": 35.821, "viability_pct": 98.399, "viable_cell_density_million_ml": 19.154}, {"agitation_rpm": 284.871, "airflow_vvm": 0.302, "cer_mmol_l_h": 6.412, "dissolved_oxygen_pct": 36.252, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.935, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.744, "our_mmol_l_h": 6.982, "ph": 6.978, "phase": "production", "temperature_c": 35.802, "viability_pct": 98.392, "viable_cell_density_million_ml": 20.48}, {"agitation_rpm": 284.905, "airflow_vvm": 0.3, "cer_mmol_l_h": 6.869, "dissolved_oxygen_pct": 36.146, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.96, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.617, "our_mmol_l_h": 6.982, "ph": 6.98, "phase": "production", "temperature_c": 35.779, "viability_pct": 98.474, "viable_cell_density_million_ml": 21.667}, {"agitation_rpm": 284.641, "airflow_vvm": 0.298, "cer_mmol_l_h": 7.204, "dissolved_oxygen_pct": 36.274, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.636, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.469, "our_mmol_l_h": 6.62, "ph": 6.989, "phase": "production", "temperature_c": 35.807, "viability_pct": 96.625, "viable_cell_density_million_ml": 22.054}]


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": 277.297, "airflow_vvm": 0.289, "cer_mmol_l_h": 5.984, "dissolved_oxygen_pct": 35.95, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.033, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.83, "our_mmol_l_h": 6.554, "ph": 6.967, "phase": "production", "temperature_c": 35.821, "viability_pct": 98.399, "viable_cell_density_million_ml": 19.154}, {"agitation_rpm": 284.871, "airflow_vvm": 0.302, "cer_mmol_l_h": 6.412, "dissolved_oxygen_pct": 36.252, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.935, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.744, "our_mmol_l_h": 6.982, "ph": 6.978, "phase": "production", "temperature_c": 35.802, "viability_pct": 98.392, "viable_cell_density_million_ml": 20.48}, {"agitation_rpm": 284.905, "airflow_vvm": 0.3, "cer_mmol_l_h": 6.869, "dissolved_oxygen_pct": 36.146, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.96, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.617, "our_mmol_l_h": 6.982, "ph": 6.98, "phase": "production", "temperature_c": 35.779, "viability_pct": 98.474, "viable_cell_density_million_ml": 21.667}, {"agitation_rpm": 284.641, "airflow_vvm": 0.298, "cer_mmol_l_h": 7.204, "dissolved_oxygen_pct": 36.274, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.636, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.469, "our_mmol_l_h": 6.62, "ph": 6.989, "phase": "production", "temperature_c": 35.807, "viability_pct": 96.625, "viable_cell_density_million_ml": 22.054}]


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

Trajectory excerpt:
[{"agitation_rpm": 254.879, "airflow_vvm": 0.263, "cer_mmol_l_h": 5.188, "dissolved_oxygen_pct": 36.82, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.08, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.898, "our_mmol_l_h": 5.642, "ph": 6.97, "phase": "exponential", "temperature_c": 36.78, "viability_pct": 98.383, "viable_cell_density_million_ml": 16.605}, {"agitation_rpm": 269.911, "airflow_vvm": 0.284, "cer_mmol_l_h": 5.765, "dissolved_oxygen_pct": 36.825, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.06, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.832, "our_mmol_l_h": 6.25, "ph": 6.962, "phase": "production", "temperature_c": 35.824, "viability_pct": 98.355, "viable_cell_density_million_ml": 18.365}, {"agitation_rpm": 285.121, "airflow_vvm": 0.246, "cer_mmol_l_h": 6.422, "dissolved_oxygen_pct": 28.627, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 4.004, "hour": 108.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.714, "our_mmol_l_h": 6.99, "ph": 6.964, "phase": "production", "temperature_c": 35.815, "viability_pct": 98.629, "viable_cell_density_million_ml": 20.461}, {"agitation_rpm": 285.192, "airflow_vvm": 0.18, "cer_mmol_l_h": 6.993, "dissolved_oxygen_pct": 18.509, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.845, "hour": 124.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.572, "our_mmol_l_h": 7.586, "ph": 6.978, "phase": "production", "temperature_c": 35.818, "viability_pct": 97.894, "viable_cell_density_million_ml": 22.45}]


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

Trajectory excerpt:
[{"agitation_rpm": 254.879, "airflow_vvm": 0.263, "cer_mmol_l_h": 5.188, "dissolved_oxygen_pct": 36.82, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.08, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.898, "our_mmol_l_h": 5.642, "ph": 6.97, "phase": "exponential", "temperature_c": 36.78, "viability_pct": 98.383, "viable_cell_density_million_ml": 16.605}, {"agitation_rpm": 269.911, "airflow_vvm": 0.284, "cer_mmol_l_h": 5.765, "dissolved_oxygen_pct": 36.825, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.06, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.832, "our_mmol_l_h": 6.25, "ph": 6.962, "phase": "production", "temperature_c": 35.824, "viability_pct": 98.355, "viable_cell_density_million_ml": 18.365}, {"agitation_rpm": 285.121, "airflow_vvm": 0.246, "cer_mmol_l_h": 6.422, "dissolved_oxygen_pct": 28.627, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 4.004, "hour": 108.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.714, "our_mmol_l_h": 6.99, "ph": 6.964, "phase": "production", "temperature_c": 35.815, "viability_pct": 98.629, "viable_cell_density_million_ml": 20.461}, {"agitation_rpm": 285.192, "airflow_vvm": 0.18, "cer_mmol_l_h": 6.993, "dissolved_oxygen_pct": 18.509, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.845, "hour": 124.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.572, "our_mmol_l_h": 7.586, "ph": 6.978, "phase": "production", "temperature_c": 35.818, "viability_pct": 97.894, "viable_cell_density_million_ml": 22.45}]


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

Trajectory excerpt:
[{"agitation_rpm": 254.879, "airflow_vvm": 0.263, "cer_mmol_l_h": 5.188, "dissolved_oxygen_pct": 36.82, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.08, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.898, "our_mmol_l_h": 5.642, "ph": 6.97, "phase": "exponential", "temperature_c": 36.78, "viability_pct": 98.383, "viable_cell_density_million_ml": 16.605}, {"agitation_rpm": 269.911, "airflow_vvm": 0.284, "cer_mmol_l_h": 5.765, "dissolved_oxygen_pct": 36.825, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.06, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.832, "our_mmol_l_h": 6.25, "ph": 6.962, "phase": "production", "temperature_c": 35.824, "viability_pct": 98.355, "viable_cell_density_million_ml": 18.365}, {"agitation_rpm": 285.121, "airflow_vvm": 0.246, "cer_mmol_l_h": 6.422, "dissolved_oxygen_pct": 28.627, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 4.004, "hour": 108.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.714, "our_mmol_l_h": 6.99, "ph": 6.964, "phase": "production", "temperature_c": 35.815, "viability_pct": 98.629, "viable_cell_density_million_ml": 20.461}, {"agitation_rpm": 285.192, "airflow_vvm": 0.18, "cer_mmol_l_h": 6.993, "dissolved_oxygen_pct": 18.509, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.845, "hour": 124.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.572, "our_mmol_l_h": 7.586, "ph": 6.978, "phase": "production", "temperature_c": 35.818, "viability_pct": 97.894, "viable_cell_density_million_ml": 22.45}]


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

Trajectory excerpt:
[{"agitation_rpm": 254.879, "airflow_vvm": 0.263, "cer_mmol_l_h": 5.188, "dissolved_oxygen_pct": 36.82, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.08, "hour": 88.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.898, "our_mmol_l_h": 5.642, "ph": 6.97, "phase": "exponential", "temperature_c": 36.78, "viability_pct": 98.383, "viable_cell_density_million_ml": 16.605}, {"agitation_rpm": 269.911, "airflow_vvm": 0.284, "cer_mmol_l_h": 5.765, "dissolved_oxygen_pct": 36.825, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.06, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.832, "our_mmol_l_h": 6.25, "ph": 6.962, "phase": "production", "temperature_c": 35.824, "viability_pct": 98.355, "viable_cell_density_million_ml": 18.365}, {"agitation_rpm": 285.121, "airflow_vvm": 0.246, "cer_mmol_l_h": 6.422, "dissolved_oxygen_pct": 28.627, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 4.004, "hour": 108.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.714, "our_mmol_l_h": 6.99, "ph": 6.964, "phase": "production", "temperature_c": 35.815, "viability_pct": 98.629, "viable_cell_density_million_ml": 20.461}, {"agitation_rpm": 285.192, "airflow_vvm": 0.18, "cer_mmol_l_h": 6.993, "dissolved_oxygen_pct": 18.509, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.845, "hour": 124.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.572, "our_mmol_l_h": 7.586, "ph": 6.978, "phase": "production", "temperature_c": 35.818, "viability_pct": 97.894, "viable_cell_density_million_ml": 22.45}]


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

Trajectory excerpt:
[{"agitation_rpm": 252.388, "airflow_vvm": 0.262, "cer_mmol_l_h": 5.114, "dissolved_oxygen_pct": 37.59, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.459, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.252, "our_mmol_l_h": 5.557, "ph": 6.994, "phase": "exponential", "temperature_c": 36.815, "viability_pct": 98.862, "viable_cell_density_million_ml": 16.339}, {"agitation_rpm": 279.562, "airflow_vvm": 0.292, "cer_mmol_l_h": 6.086, "dissolved_oxygen_pct": 36.776, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.374, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.222, "our_mmol_l_h": 6.639, "ph": 6.995, "phase": "exponential", "temperature_c": 36.778, "viability_pct": 98.735, "viable_cell_density_million_ml": 19.385}, {"agitation_rpm": 286.103, "airflow_vvm": 0.297, "cer_mmol_l_h": 7.53, "dissolved_oxygen_pct": 36.691, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.415, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.138, "our_mmol_l_h": 7.661, "ph": 7.006, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.862, "viable_cell_density_million_ml": 23.677}, {"agitation_rpm": 284.846, "airflow_vvm": 0.3, "cer_mmol_l_h": 9.177, "dissolved_oxygen_pct": 36.675, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.211, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.097, "our_mmol_l_h": 8.826, "ph": 6.998, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.937, "viable_cell_density_million_ml": 28.348}]


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

Trajectory excerpt:
[{"agitation_rpm": 252.388, "airflow_vvm": 0.262, "cer_mmol_l_h": 5.114, "dissolved_oxygen_pct": 37.59, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.459, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.252, "our_mmol_l_h": 5.557, "ph": 6.994, "phase": "exponential", "temperature_c": 36.815, "viability_pct": 98.862, "viable_cell_density_million_ml": 16.339}, {"agitation_rpm": 279.562, "airflow_vvm": 0.292, "cer_mmol_l_h": 6.086, "dissolved_oxygen_pct": 36.776, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.374, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.222, "our_mmol_l_h": 6.639, "ph": 6.995, "phase": "exponential", "temperature_c": 36.778, "viability_pct": 98.735, "viable_cell_density_million_ml": 19.385}, {"agitation_rpm": 286.103, "airflow_vvm": 0.297, "cer_mmol_l_h": 7.53, "dissolved_oxygen_pct": 36.691, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.415, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.138, "our_mmol_l_h": 7.661, "ph": 7.006, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.862, "viable_cell_density_million_ml": 23.677}, {"agitation_rpm": 284.846, "airflow_vvm": 0.3, "cer_mmol_l_h": 9.177, "dissolved_oxygen_pct": 36.675, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.211, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.097, "our_mmol_l_h": 8.826, "ph": 6.998, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.937, "viable_cell_density_million_ml": 28.348}]


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

Trajectory excerpt:
[{"agitation_rpm": 252.388, "airflow_vvm": 0.262, "cer_mmol_l_h": 5.114, "dissolved_oxygen_pct": 37.59, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.459, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.252, "our_mmol_l_h": 5.557, "ph": 6.994, "phase": "exponential", "temperature_c": 36.815, "viability_pct": 98.862, "viable_cell_density_million_ml": 16.339}, {"agitation_rpm": 279.562, "airflow_vvm": 0.292, "cer_mmol_l_h": 6.086, "dissolved_oxygen_pct": 36.776, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.374, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.222, "our_mmol_l_h": 6.639, "ph": 6.995, "phase": "exponential", "temperature_c": 36.778, "viability_pct": 98.735, "viable_cell_density_million_ml": 19.385}, {"agitation_rpm": 286.103, "airflow_vvm": 0.297, "cer_mmol_l_h": 7.53, "dissolved_oxygen_pct": 36.691, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.415, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.138, "our_mmol_l_h": 7.661, "ph": 7.006, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.862, "viable_cell_density_million_ml": 23.677}, {"agitation_rpm": 284.846, "airflow_vvm": 0.3, "cer_mmol_l_h": 9.177, "dissolved_oxygen_pct": 36.675, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.211, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.097, "our_mmol_l_h": 8.826, "ph": 6.998, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.937, "viable_cell_density_million_ml": 28.348}]


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

Trajectory excerpt:
[{"agitation_rpm": 252.388, "airflow_vvm": 0.262, "cer_mmol_l_h": 5.114, "dissolved_oxygen_pct": 37.59, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.459, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.252, "our_mmol_l_h": 5.557, "ph": 6.994, "phase": "exponential", "temperature_c": 36.815, "viability_pct": 98.862, "viable_cell_density_million_ml": 16.339}, {"agitation_rpm": 279.562, "airflow_vvm": 0.292, "cer_mmol_l_h": 6.086, "dissolved_oxygen_pct": 36.776, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.374, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.222, "our_mmol_l_h": 6.639, "ph": 6.995, "phase": "exponential", "temperature_c": 36.778, "viability_pct": 98.735, "viable_cell_density_million_ml": 19.385}, {"agitation_rpm": 286.103, "airflow_vvm": 0.297, "cer_mmol_l_h": 7.53, "dissolved_oxygen_pct": 36.691, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.415, "hour": 96.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.138, "our_mmol_l_h": 7.661, "ph": 7.006, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.862, "viable_cell_density_million_ml": 23.677}, {"agitation_rpm": 284.846, "airflow_vvm": 0.3, "cer_mmol_l_h": 9.177, "dissolved_oxygen_pct": 36.675, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.211, "hour": 112.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.097, "our_mmol_l_h": 8.826, "ph": 6.998, "phase": "production", "temperature_c": 35.805, "viability_pct": 98.937, "viable_cell_density_million_ml": 28.348}]


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

Trajectory excerpt:
[{"agitation_rpm": 252.431, "airflow_vvm": 0.259, "cer_mmol_l_h": 5.077, "dissolved_oxygen_pct": 37.565, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.41, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.242, "our_mmol_l_h": 5.555, "ph": 6.991, "phase": "exponential", "temperature_c": 36.796, "viability_pct": 98.692, "viable_cell_density_million_ml": 16.383}, {"agitation_rpm": 279.82, "airflow_vvm": 0.296, "cer_mmol_l_h": 6.082, "dissolved_oxygen_pct": 36.55, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.352, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.185, "our_mmol_l_h": 6.616, "ph": 6.994, "phase": "exponential", "temperature_c": 36.785, "viability_pct": 98.703, "viable_cell_density_million_ml": 19.489}, {"agitation_rpm": 285.285, "airflow_vvm": 0.25, "cer_mmol_l_h": 7.527, "dissolved_oxygen_pct": 28.638, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.379, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.169, "our_mmol_l_h": 8.206, "ph": 7.004, "phase": "production", "temperature_c": 35.821, "viability_pct": 98.878, "viable_cell_density_million_ml": 24.124}, {"agitation_rpm": 285.696, "airflow_vvm": 0.182, "cer_mmol_l_h": 9.197, "dissolved_oxygen_pct": 17.959, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.434, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.067, "our_mmol_l_h": 10.007, "ph": 7.001, "phase": "production", "temperature_c": 35.824, "viability_pct": 98.875, "viable_cell_density_million_ml": 29.36}]


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

Trajectory excerpt:
[{"agitation_rpm": 252.431, "airflow_vvm": 0.259, "cer_mmol_l_h": 5.077, "dissolved_oxygen_pct": 37.565, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.41, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.242, "our_mmol_l_h": 5.555, "ph": 6.991, "phase": "exponential", "temperature_c": 36.796, "viability_pct": 98.692, "viable_cell_density_million_ml": 16.383}, {"agitation_rpm": 279.82, "airflow_vvm": 0.296, "cer_mmol_l_h": 6.082, "dissolved_oxygen_pct": 36.55, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.352, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.185, "our_mmol_l_h": 6.616, "ph": 6.994, "phase": "exponential", "temperature_c": 36.785, "viability_pct": 98.703, "viable_cell_density_million_ml": 19.489}, {"agitation_rpm": 285.285, "airflow_vvm": 0.25, "cer_mmol_l_h": 7.527, "dissolved_oxygen_pct": 28.638, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.379, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.169, "our_mmol_l_h": 8.206, "ph": 7.004, "phase": "production", "temperature_c": 35.821, "viability_pct": 98.878, "viable_cell_density_million_ml": 24.124}, {"agitation_rpm": 285.696, "airflow_vvm": 0.182, "cer_mmol_l_h": 9.197, "dissolved_oxygen_pct": 17.959, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.434, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.067, "our_mmol_l_h": 10.007, "ph": 7.001, "phase": "production", "temperature_c": 35.824, "viability_pct": 98.875, "viable_cell_density_million_ml": 29.36}]


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

Trajectory excerpt:
[{"agitation_rpm": 252.431, "airflow_vvm": 0.259, "cer_mmol_l_h": 5.077, "dissolved_oxygen_pct": 37.565, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.41, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.242, "our_mmol_l_h": 5.555, "ph": 6.991, "phase": "exponential", "temperature_c": 36.796, "viability_pct": 98.692, "viable_cell_density_million_ml": 16.383}, {"agitation_rpm": 279.82, "airflow_vvm": 0.296, "cer_mmol_l_h": 6.082, "dissolved_oxygen_pct": 36.55, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.352, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.185, "our_mmol_l_h": 6.616, "ph": 6.994, "phase": "exponential", "temperature_c": 36.785, "viability_pct": 98.703, "viable_cell_density_million_ml": 19.489}, {"agitation_rpm": 285.285, "airflow_vvm": 0.25, "cer_mmol_l_h": 7.527, "dissolved_oxygen_pct": 28.638, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.379, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.169, "our_mmol_l_h": 8.206, "ph": 7.004, "phase": "production", "temperature_c": 35.821, "viability_pct": 98.878, "viable_cell_density_million_ml": 24.124}, {"agitation_rpm": 285.696, "airflow_vvm": 0.182, "cer_mmol_l_h": 9.197, "dissolved_oxygen_pct": 17.959, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.434, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.067, "our_mmol_l_h": 10.007, "ph": 7.001, "phase": "production", "temperature_c": 35.824, "viability_pct": 98.875, "viable_cell_density_million_ml": 29.36}]


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

Trajectory excerpt:
[{"agitation_rpm": 252.431, "airflow_vvm": 0.259, "cer_mmol_l_h": 5.077, "dissolved_oxygen_pct": 37.565, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.41, "hour": 76.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.242, "our_mmol_l_h": 5.555, "ph": 6.991, "phase": "exponential", "temperature_c": 36.796, "viability_pct": 98.692, "viable_cell_density_million_ml": 16.383}, {"agitation_rpm": 279.82, "airflow_vvm": 0.296, "cer_mmol_l_h": 6.082, "dissolved_oxygen_pct": 36.55, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.352, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.185, "our_mmol_l_h": 6.616, "ph": 6.994, "phase": "exponential", "temperature_c": 36.785, "viability_pct": 98.703, "viable_cell_density_million_ml": 19.489}, {"agitation_rpm": 285.285, "airflow_vvm": 0.25, "cer_mmol_l_h": 7.527, "dissolved_oxygen_pct": 28.638, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.379, "hour": 96.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.169, "our_mmol_l_h": 8.206, "ph": 7.004, "phase": "production", "temperature_c": 35.821, "viability_pct": 98.878, "viable_cell_density_million_ml": 24.124}, {"agitation_rpm": 285.696, "airflow_vvm": 0.182, "cer_mmol_l_h": 9.197, "dissolved_oxygen_pct": 17.959, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.434, "hour": 112.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.067, "our_mmol_l_h": 10.007, "ph": 7.001, "phase": "production", "temperature_c": 35.824, "viability_pct": 98.875, "viable_cell_density_million_ml": 29.36}]


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": 278.917, "airflow_vvm": 0.293, "cer_mmol_l_h": 5.991, "dissolved_oxygen_pct": 35.731, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.02, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.784, "our_mmol_l_h": 6.503, "ph": 6.969, "phase": "production", "temperature_c": 35.811, "viability_pct": 98.399, "viable_cell_density_million_ml": 19.161}, {"agitation_rpm": 284.865, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.405, "dissolved_oxygen_pct": 35.778, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.937, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.739, "our_mmol_l_h": 6.984, "ph": 6.973, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.481, "viable_cell_density_million_ml": 20.509}, {"agitation_rpm": 283.954, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.905, "dissolved_oxygen_pct": 36.828, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.933, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.601, "our_mmol_l_h": 6.953, "ph": 6.98, "phase": "production", "temperature_c": 35.792, "viability_pct": 98.441, "viable_cell_density_million_ml": 21.646}, {"agitation_rpm": 285.609, "airflow_vvm": 0.299, "cer_mmol_l_h": 7.189, "dissolved_oxygen_pct": 35.751, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.622, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.503, "our_mmol_l_h": 6.618, "ph": 6.989, "phase": "production", "temperature_c": 35.79, "viability_pct": 96.622, "viable_cell_density_million_ml": 21.913}]


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": 278.917, "airflow_vvm": 0.293, "cer_mmol_l_h": 5.991, "dissolved_oxygen_pct": 35.731, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.02, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.784, "our_mmol_l_h": 6.503, "ph": 6.969, "phase": "production", "temperature_c": 35.811, "viability_pct": 98.399, "viable_cell_density_million_ml": 19.161}, {"agitation_rpm": 284.865, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.405, "dissolved_oxygen_pct": 35.778, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.937, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.739, "our_mmol_l_h": 6.984, "ph": 6.973, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.481, "viable_cell_density_million_ml": 20.509}, {"agitation_rpm": 283.954, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.905, "dissolved_oxygen_pct": 36.828, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.933, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.601, "our_mmol_l_h": 6.953, "ph": 6.98, "phase": "production", "temperature_c": 35.792, "viability_pct": 98.441, "viable_cell_density_million_ml": 21.646}, {"agitation_rpm": 285.609, "airflow_vvm": 0.299, "cer_mmol_l_h": 7.189, "dissolved_oxygen_pct": 35.751, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.622, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.503, "our_mmol_l_h": 6.618, "ph": 6.989, "phase": "production", "temperature_c": 35.79, "viability_pct": 96.622, "viable_cell_density_million_ml": 21.913}]


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": 278.917, "airflow_vvm": 0.293, "cer_mmol_l_h": 5.991, "dissolved_oxygen_pct": 35.731, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.02, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.784, "our_mmol_l_h": 6.503, "ph": 6.969, "phase": "production", "temperature_c": 35.811, "viability_pct": 98.399, "viable_cell_density_million_ml": 19.161}, {"agitation_rpm": 284.865, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.405, "dissolved_oxygen_pct": 35.778, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.937, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.739, "our_mmol_l_h": 6.984, "ph": 6.973, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.481, "viable_cell_density_million_ml": 20.509}, {"agitation_rpm": 283.954, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.905, "dissolved_oxygen_pct": 36.828, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.933, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.601, "our_mmol_l_h": 6.953, "ph": 6.98, "phase": "production", "temperature_c": 35.792, "viability_pct": 98.441, "viable_cell_density_million_ml": 21.646}, {"agitation_rpm": 285.609, "airflow_vvm": 0.299, "cer_mmol_l_h": 7.189, "dissolved_oxygen_pct": 35.751, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.622, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.503, "our_mmol_l_h": 6.618, "ph": 6.989, "phase": "production", "temperature_c": 35.79, "viability_pct": 96.622, "viable_cell_density_million_ml": 21.913}]


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": 278.917, "airflow_vvm": 0.293, "cer_mmol_l_h": 5.991, "dissolved_oxygen_pct": 35.731, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.02, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.784, "our_mmol_l_h": 6.503, "ph": 6.969, "phase": "production", "temperature_c": 35.811, "viability_pct": 98.399, "viable_cell_density_million_ml": 19.161}, {"agitation_rpm": 284.865, "airflow_vvm": 0.299, "cer_mmol_l_h": 6.405, "dissolved_oxygen_pct": 35.778, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.937, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.739, "our_mmol_l_h": 6.984, "ph": 6.973, "phase": "production", "temperature_c": 35.793, "viability_pct": 98.481, "viable_cell_density_million_ml": 20.509}, {"agitation_rpm": 283.954, "airflow_vvm": 0.297, "cer_mmol_l_h": 6.905, "dissolved_oxygen_pct": 36.828, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.933, "hour": 120.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.601, "our_mmol_l_h": 6.953, "ph": 6.98, "phase": "production", "temperature_c": 35.792, "viability_pct": 98.441, "viable_cell_density_million_ml": 21.646}, {"agitation_rpm": 285.609, "airflow_vvm": 0.299, "cer_mmol_l_h": 7.189, "dissolved_oxygen_pct": 35.751, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.622, "hour": 136.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.503, "our_mmol_l_h": 6.618, "ph": 6.989, "phase": "production", "temperature_c": 35.79, "viability_pct": 96.622, "viable_cell_density_million_ml": 21.913}]


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": 278.95, "airflow_vvm": 0.291, "cer_mmol_l_h": 5.993, "dissolved_oxygen_pct": 35.996, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.995, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.816, "our_mmol_l_h": 6.504, "ph": 6.967, "phase": "production", "temperature_c": 35.776, "viability_pct": 98.524, "viable_cell_density_million_ml": 19.148}, {"agitation_rpm": 284.931, "airflow_vvm": 0.301, "cer_mmol_l_h": 6.432, "dissolved_oxygen_pct": 36.745, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.96, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.713, "our_mmol_l_h": 7.008, "ph": 6.972, "phase": "production", "temperature_c": 35.787, "viability_pct": 98.404, "viable_cell_density_million_ml": 20.472}, {"agitation_rpm": 285.741, "airflow_vvm": 0.25, "cer_mmol_l_h": 6.881, "dissolved_oxygen_pct": 29.182, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.918, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.637, "our_mmol_l_h": 7.479, "ph": 6.984, "phase": "production", "temperature_c": 35.787, "viability_pct": 98.448, "viable_cell_density_million_ml": 21.982}, {"agitation_rpm": 284.591, "airflow_vvm": 0.183, "cer_mmol_l_h": 7.218, "dissolved_oxygen_pct": 18.673, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.782, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.482, "our_mmol_l_h": 7.803, "ph": 6.986, "phase": "production", "temperature_c": 35.813, "viability_pct": 96.623, "viable_cell_density_million_ml": 22.921}]


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": 278.95, "airflow_vvm": 0.291, "cer_mmol_l_h": 5.993, "dissolved_oxygen_pct": 35.996, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.995, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.816, "our_mmol_l_h": 6.504, "ph": 6.967, "phase": "production", "temperature_c": 35.776, "viability_pct": 98.524, "viable_cell_density_million_ml": 19.148}, {"agitation_rpm": 284.931, "airflow_vvm": 0.301, "cer_mmol_l_h": 6.432, "dissolved_oxygen_pct": 36.745, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.96, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.713, "our_mmol_l_h": 7.008, "ph": 6.972, "phase": "production", "temperature_c": 35.787, "viability_pct": 98.404, "viable_cell_density_million_ml": 20.472}, {"agitation_rpm": 285.741, "airflow_vvm": 0.25, "cer_mmol_l_h": 6.881, "dissolved_oxygen_pct": 29.182, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.918, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.637, "our_mmol_l_h": 7.479, "ph": 6.984, "phase": "production", "temperature_c": 35.787, "viability_pct": 98.448, "viable_cell_density_million_ml": 21.982}, {"agitation_rpm": 284.591, "airflow_vvm": 0.183, "cer_mmol_l_h": 7.218, "dissolved_oxygen_pct": 18.673, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.782, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.482, "our_mmol_l_h": 7.803, "ph": 6.986, "phase": "production", "temperature_c": 35.813, "viability_pct": 96.623, "viable_cell_density_million_ml": 22.921}]


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": 278.95, "airflow_vvm": 0.291, "cer_mmol_l_h": 5.993, "dissolved_oxygen_pct": 35.996, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.995, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.816, "our_mmol_l_h": 6.504, "ph": 6.967, "phase": "production", "temperature_c": 35.776, "viability_pct": 98.524, "viable_cell_density_million_ml": 19.148}, {"agitation_rpm": 284.931, "airflow_vvm": 0.301, "cer_mmol_l_h": 6.432, "dissolved_oxygen_pct": 36.745, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.96, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.713, "our_mmol_l_h": 7.008, "ph": 6.972, "phase": "production", "temperature_c": 35.787, "viability_pct": 98.404, "viable_cell_density_million_ml": 20.472}, {"agitation_rpm": 285.741, "airflow_vvm": 0.25, "cer_mmol_l_h": 6.881, "dissolved_oxygen_pct": 29.182, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.918, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.637, "our_mmol_l_h": 7.479, "ph": 6.984, "phase": "production", "temperature_c": 35.787, "viability_pct": 98.448, "viable_cell_density_million_ml": 21.982}, {"agitation_rpm": 284.591, "airflow_vvm": 0.183, "cer_mmol_l_h": 7.218, "dissolved_oxygen_pct": 18.673, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.782, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.482, "our_mmol_l_h": 7.803, "ph": 6.986, "phase": "production", "temperature_c": 35.813, "viability_pct": 96.623, "viable_cell_density_million_ml": 22.921}]


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": 278.95, "airflow_vvm": 0.291, "cer_mmol_l_h": 5.993, "dissolved_oxygen_pct": 35.996, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.995, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.816, "our_mmol_l_h": 6.504, "ph": 6.967, "phase": "production", "temperature_c": 35.776, "viability_pct": 98.524, "viable_cell_density_million_ml": 19.148}, {"agitation_rpm": 284.931, "airflow_vvm": 0.301, "cer_mmol_l_h": 6.432, "dissolved_oxygen_pct": 36.745, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.96, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.713, "our_mmol_l_h": 7.008, "ph": 6.972, "phase": "production", "temperature_c": 35.787, "viability_pct": 98.404, "viable_cell_density_million_ml": 20.472}, {"agitation_rpm": 285.741, "airflow_vvm": 0.25, "cer_mmol_l_h": 6.881, "dissolved_oxygen_pct": 29.182, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.918, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.637, "our_mmol_l_h": 7.479, "ph": 6.984, "phase": "production", "temperature_c": 35.787, "viability_pct": 98.448, "viable_cell_density_million_ml": 21.982}, {"agitation_rpm": 284.591, "airflow_vvm": 0.183, "cer_mmol_l_h": 7.218, "dissolved_oxygen_pct": 18.673, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.782, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.482, "our_mmol_l_h": 7.803, "ph": 6.986, "phase": "production", "temperature_c": 35.813, "viability_pct": 96.623, "viable_cell_density_million_ml": 22.921}]


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

Trajectory excerpt:
[{"agitation_rpm": 212.443, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.727, "dissolved_oxygen_pct": 40.683, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.621, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.227, "our_mmol_l_h": 4.09, "ph": 6.988, "phase": "exponential", "temperature_c": 36.822, "viability_pct": 98.786, "viable_cell_density_million_ml": 11.975}, {"agitation_rpm": 237.739, "airflow_vvm": 0.241, "cer_mmol_l_h": 4.621, "dissolved_oxygen_pct": 38.801, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.463, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.232, "our_mmol_l_h": 5.024, "ph": 6.986, "phase": "exponential", "temperature_c": 36.786, "viability_pct": 98.852, "viable_cell_density_million_ml": 14.739}, {"agitation_rpm": 279.108, "airflow_vvm": 0.296, "cer_mmol_l_h": 6.058, "dissolved_oxygen_pct": 36.909, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.477, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.187, "our_mmol_l_h": 6.082, "ph": 6.992, "phase": "exponential", "temperature_c": 36.796, "viability_pct": 98.742, "viable_cell_density_million_ml": 19.1}, {"agitation_rpm": 284.292, "airflow_vvm": 0.297, "cer_mmol_l_h": 7.997, "dissolved_oxygen_pct": 36.547, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.135, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.115, "our_mmol_l_h": 7.492, "ph": 6.992, "phase": "production", "temperature_c": 35.788, "viability_pct": 98.657, "viable_cell_density_million_ml": 24.603}]


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

Trajectory excerpt:
[{"agitation_rpm": 212.443, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.727, "dissolved_oxygen_pct": 40.683, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.621, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.227, "our_mmol_l_h": 4.09, "ph": 6.988, "phase": "exponential", "temperature_c": 36.822, "viability_pct": 98.786, "viable_cell_density_million_ml": 11.975}, {"agitation_rpm": 237.739, "airflow_vvm": 0.241, "cer_mmol_l_h": 4.621, "dissolved_oxygen_pct": 38.801, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.463, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.232, "our_mmol_l_h": 5.024, "ph": 6.986, "phase": "exponential", "temperature_c": 36.786, "viability_pct": 98.852, "viable_cell_density_million_ml": 14.739}, {"agitation_rpm": 279.108, "airflow_vvm": 0.296, "cer_mmol_l_h": 6.058, "dissolved_oxygen_pct": 36.909, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.477, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.187, "our_mmol_l_h": 6.082, "ph": 6.992, "phase": "exponential", "temperature_c": 36.796, "viability_pct": 98.742, "viable_cell_density_million_ml": 19.1}, {"agitation_rpm": 284.292, "airflow_vvm": 0.297, "cer_mmol_l_h": 7.997, "dissolved_oxygen_pct": 36.547, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.135, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.115, "our_mmol_l_h": 7.492, "ph": 6.992, "phase": "production", "temperature_c": 35.788, "viability_pct": 98.657, "viable_cell_density_million_ml": 24.603}]


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

Trajectory excerpt:
[{"agitation_rpm": 212.443, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.727, "dissolved_oxygen_pct": 40.683, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.621, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.227, "our_mmol_l_h": 4.09, "ph": 6.988, "phase": "exponential", "temperature_c": 36.822, "viability_pct": 98.786, "viable_cell_density_million_ml": 11.975}, {"agitation_rpm": 237.739, "airflow_vvm": 0.241, "cer_mmol_l_h": 4.621, "dissolved_oxygen_pct": 38.801, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.463, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.232, "our_mmol_l_h": 5.024, "ph": 6.986, "phase": "exponential", "temperature_c": 36.786, "viability_pct": 98.852, "viable_cell_density_million_ml": 14.739}, {"agitation_rpm": 279.108, "airflow_vvm": 0.296, "cer_mmol_l_h": 6.058, "dissolved_oxygen_pct": 36.909, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.477, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.187, "our_mmol_l_h": 6.082, "ph": 6.992, "phase": "exponential", "temperature_c": 36.796, "viability_pct": 98.742, "viable_cell_density_million_ml": 19.1}, {"agitation_rpm": 284.292, "airflow_vvm": 0.297, "cer_mmol_l_h": 7.997, "dissolved_oxygen_pct": 36.547, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.135, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.115, "our_mmol_l_h": 7.492, "ph": 6.992, "phase": "production", "temperature_c": 35.788, "viability_pct": 98.657, "viable_cell_density_million_ml": 24.603}]


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

Trajectory excerpt:
[{"agitation_rpm": 212.443, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.727, "dissolved_oxygen_pct": 40.683, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.621, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.227, "our_mmol_l_h": 4.09, "ph": 6.988, "phase": "exponential", "temperature_c": 36.822, "viability_pct": 98.786, "viable_cell_density_million_ml": 11.975}, {"agitation_rpm": 237.739, "airflow_vvm": 0.241, "cer_mmol_l_h": 4.621, "dissolved_oxygen_pct": 38.801, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.463, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.232, "our_mmol_l_h": 5.024, "ph": 6.986, "phase": "exponential", "temperature_c": 36.786, "viability_pct": 98.852, "viable_cell_density_million_ml": 14.739}, {"agitation_rpm": 279.108, "airflow_vvm": 0.296, "cer_mmol_l_h": 6.058, "dissolved_oxygen_pct": 36.909, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.477, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.187, "our_mmol_l_h": 6.082, "ph": 6.992, "phase": "exponential", "temperature_c": 36.796, "viability_pct": 98.742, "viable_cell_density_million_ml": 19.1}, {"agitation_rpm": 284.292, "airflow_vvm": 0.297, "cer_mmol_l_h": 7.997, "dissolved_oxygen_pct": 36.547, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.135, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.115, "our_mmol_l_h": 7.492, "ph": 6.992, "phase": "production", "temperature_c": 35.788, "viability_pct": 98.657, "viable_cell_density_million_ml": 24.603}]


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": 285.892, "airflow_vvm": 0.302, "cer_mmol_l_h": 7.995, "dissolved_oxygen_pct": 35.633, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.374, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.159, "our_mmol_l_h": 8.709, "ph": 6.997, "phase": "production", "temperature_c": 35.79, "viability_pct": 98.797, "viable_cell_density_million_ml": 25.587}, {"agitation_rpm": 286.001, "airflow_vvm": 0.298, "cer_mmol_l_h": 8.821, "dissolved_oxygen_pct": 36.091, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.42, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.087, "our_mmol_l_h": 9.585, "ph": 7.003, "phase": "production", "temperature_c": 35.785, "viability_pct": 98.785, "viable_cell_density_million_ml": 28.158}, {"agitation_rpm": 285.912, "airflow_vvm": 0.246, "cer_mmol_l_h": 9.87, "dissolved_oxygen_pct": 28.798, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.496, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.045, "our_mmol_l_h": 10.692, "ph": 7.0, "phase": "production", "temperature_c": 35.777, "viability_pct": 98.65, "viable_cell_density_million_ml": 31.465}, {"agitation_rpm": 284.451, "airflow_vvm": 0.177, "cer_mmol_l_h": 10.776, "dissolved_oxygen_pct": 17.727, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.705, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 0.999, "our_mmol_l_h": 11.736, "ph": 6.999, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.652, "viable_cell_density_million_ml": 34.572}]


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": 285.892, "airflow_vvm": 0.302, "cer_mmol_l_h": 7.995, "dissolved_oxygen_pct": 35.633, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.374, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.159, "our_mmol_l_h": 8.709, "ph": 6.997, "phase": "production", "temperature_c": 35.79, "viability_pct": 98.797, "viable_cell_density_million_ml": 25.587}, {"agitation_rpm": 286.001, "airflow_vvm": 0.298, "cer_mmol_l_h": 8.821, "dissolved_oxygen_pct": 36.091, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.42, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.087, "our_mmol_l_h": 9.585, "ph": 7.003, "phase": "production", "temperature_c": 35.785, "viability_pct": 98.785, "viable_cell_density_million_ml": 28.158}, {"agitation_rpm": 285.912, "airflow_vvm": 0.246, "cer_mmol_l_h": 9.87, "dissolved_oxygen_pct": 28.798, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.496, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.045, "our_mmol_l_h": 10.692, "ph": 7.0, "phase": "production", "temperature_c": 35.777, "viability_pct": 98.65, "viable_cell_density_million_ml": 31.465}, {"agitation_rpm": 284.451, "airflow_vvm": 0.177, "cer_mmol_l_h": 10.776, "dissolved_oxygen_pct": 17.727, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.705, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 0.999, "our_mmol_l_h": 11.736, "ph": 6.999, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.652, "viable_cell_density_million_ml": 34.572}]


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": 285.892, "airflow_vvm": 0.302, "cer_mmol_l_h": 7.995, "dissolved_oxygen_pct": 35.633, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.374, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.159, "our_mmol_l_h": 8.709, "ph": 6.997, "phase": "production", "temperature_c": 35.79, "viability_pct": 98.797, "viable_cell_density_million_ml": 25.587}, {"agitation_rpm": 286.001, "airflow_vvm": 0.298, "cer_mmol_l_h": 8.821, "dissolved_oxygen_pct": 36.091, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.42, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.087, "our_mmol_l_h": 9.585, "ph": 7.003, "phase": "production", "temperature_c": 35.785, "viability_pct": 98.785, "viable_cell_density_million_ml": 28.158}, {"agitation_rpm": 285.912, "airflow_vvm": 0.246, "cer_mmol_l_h": 9.87, "dissolved_oxygen_pct": 28.798, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.496, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.045, "our_mmol_l_h": 10.692, "ph": 7.0, "phase": "production", "temperature_c": 35.777, "viability_pct": 98.65, "viable_cell_density_million_ml": 31.465}, {"agitation_rpm": 284.451, "airflow_vvm": 0.177, "cer_mmol_l_h": 10.776, "dissolved_oxygen_pct": 17.727, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.705, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 0.999, "our_mmol_l_h": 11.736, "ph": 6.999, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.652, "viable_cell_density_million_ml": 34.572}]


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": 285.892, "airflow_vvm": 0.302, "cer_mmol_l_h": 7.995, "dissolved_oxygen_pct": 35.633, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.374, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.159, "our_mmol_l_h": 8.709, "ph": 6.997, "phase": "production", "temperature_c": 35.79, "viability_pct": 98.797, "viable_cell_density_million_ml": 25.587}, {"agitation_rpm": 286.001, "airflow_vvm": 0.298, "cer_mmol_l_h": 8.821, "dissolved_oxygen_pct": 36.091, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.42, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.087, "our_mmol_l_h": 9.585, "ph": 7.003, "phase": "production", "temperature_c": 35.785, "viability_pct": 98.785, "viable_cell_density_million_ml": 28.158}, {"agitation_rpm": 285.912, "airflow_vvm": 0.246, "cer_mmol_l_h": 9.87, "dissolved_oxygen_pct": 28.798, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.496, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.045, "our_mmol_l_h": 10.692, "ph": 7.0, "phase": "production", "temperature_c": 35.777, "viability_pct": 98.65, "viable_cell_density_million_ml": 31.465}, {"agitation_rpm": 284.451, "airflow_vvm": 0.177, "cer_mmol_l_h": 10.776, "dissolved_oxygen_pct": 17.727, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.705, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 0.999, "our_mmol_l_h": 11.736, "ph": 6.999, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.652, "viable_cell_density_million_ml": 34.572}]


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

Trajectory excerpt:
[{"agitation_rpm": 196.796, "airflow_vvm": 0.193, "cer_mmol_l_h": 3.237, "dissolved_oxygen_pct": 41.516, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.497, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.752, "our_mmol_l_h": 3.497, "ph": 6.969, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.393, "viable_cell_density_million_ml": 10.217}, {"agitation_rpm": 216.022, "airflow_vvm": 0.217, "cer_mmol_l_h": 3.875, "dissolved_oxygen_pct": 39.612, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.154, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.912, "our_mmol_l_h": 4.252, "ph": 6.962, "phase": "exponential", "temperature_c": 36.788, "viability_pct": 98.415, "viable_cell_density_million_ml": 12.45}, {"agitation_rpm": 245.784, "airflow_vvm": 0.252, "cer_mmol_l_h": 4.88, "dissolved_oxygen_pct": 37.919, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.128, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.956, "our_mmol_l_h": 4.834, "ph": 6.965, "phase": "exponential", "temperature_c": 36.775, "viability_pct": 98.403, "viable_cell_density_million_ml": 15.273}, {"agitation_rpm": 278.754, "airflow_vvm": 0.291, "cer_mmol_l_h": 5.995, "dissolved_oxygen_pct": 36.485, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.826, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.815, "our_mmol_l_h": 5.328, "ph": 6.97, "phase": "production", "temperature_c": 35.812, "viability_pct": 98.397, "viable_cell_density_million_ml": 18.202}]


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

Trajectory excerpt:
[{"agitation_rpm": 196.796, "airflow_vvm": 0.193, "cer_mmol_l_h": 3.237, "dissolved_oxygen_pct": 41.516, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.497, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.752, "our_mmol_l_h": 3.497, "ph": 6.969, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.393, "viable_cell_density_million_ml": 10.217}, {"agitation_rpm": 216.022, "airflow_vvm": 0.217, "cer_mmol_l_h": 3.875, "dissolved_oxygen_pct": 39.612, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.154, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.912, "our_mmol_l_h": 4.252, "ph": 6.962, "phase": "exponential", "temperature_c": 36.788, "viability_pct": 98.415, "viable_cell_density_million_ml": 12.45}, {"agitation_rpm": 245.784, "airflow_vvm": 0.252, "cer_mmol_l_h": 4.88, "dissolved_oxygen_pct": 37.919, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.128, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.956, "our_mmol_l_h": 4.834, "ph": 6.965, "phase": "exponential", "temperature_c": 36.775, "viability_pct": 98.403, "viable_cell_density_million_ml": 15.273}, {"agitation_rpm": 278.754, "airflow_vvm": 0.291, "cer_mmol_l_h": 5.995, "dissolved_oxygen_pct": 36.485, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.826, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.815, "our_mmol_l_h": 5.328, "ph": 6.97, "phase": "production", "temperature_c": 35.812, "viability_pct": 98.397, "viable_cell_density_million_ml": 18.202}]


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

Trajectory excerpt:
[{"agitation_rpm": 196.796, "airflow_vvm": 0.193, "cer_mmol_l_h": 3.237, "dissolved_oxygen_pct": 41.516, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.497, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.752, "our_mmol_l_h": 3.497, "ph": 6.969, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.393, "viable_cell_density_million_ml": 10.217}, {"agitation_rpm": 216.022, "airflow_vvm": 0.217, "cer_mmol_l_h": 3.875, "dissolved_oxygen_pct": 39.612, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.154, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.912, "our_mmol_l_h": 4.252, "ph": 6.962, "phase": "exponential", "temperature_c": 36.788, "viability_pct": 98.415, "viable_cell_density_million_ml": 12.45}, {"agitation_rpm": 245.784, "airflow_vvm": 0.252, "cer_mmol_l_h": 4.88, "dissolved_oxygen_pct": 37.919, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.128, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.956, "our_mmol_l_h": 4.834, "ph": 6.965, "phase": "exponential", "temperature_c": 36.775, "viability_pct": 98.403, "viable_cell_density_million_ml": 15.273}, {"agitation_rpm": 278.754, "airflow_vvm": 0.291, "cer_mmol_l_h": 5.995, "dissolved_oxygen_pct": 36.485, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.826, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.815, "our_mmol_l_h": 5.328, "ph": 6.97, "phase": "production", "temperature_c": 35.812, "viability_pct": 98.397, "viable_cell_density_million_ml": 18.202}]


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

Trajectory excerpt:
[{"agitation_rpm": 196.796, "airflow_vvm": 0.193, "cer_mmol_l_h": 3.237, "dissolved_oxygen_pct": 41.516, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.497, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.752, "our_mmol_l_h": 3.497, "ph": 6.969, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.393, "viable_cell_density_million_ml": 10.217}, {"agitation_rpm": 216.022, "airflow_vvm": 0.217, "cer_mmol_l_h": 3.875, "dissolved_oxygen_pct": 39.612, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.154, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.912, "our_mmol_l_h": 4.252, "ph": 6.962, "phase": "exponential", "temperature_c": 36.788, "viability_pct": 98.415, "viable_cell_density_million_ml": 12.45}, {"agitation_rpm": 245.784, "airflow_vvm": 0.252, "cer_mmol_l_h": 4.88, "dissolved_oxygen_pct": 37.919, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.128, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.956, "our_mmol_l_h": 4.834, "ph": 6.965, "phase": "exponential", "temperature_c": 36.775, "viability_pct": 98.403, "viable_cell_density_million_ml": 15.273}, {"agitation_rpm": 278.754, "airflow_vvm": 0.291, "cer_mmol_l_h": 5.995, "dissolved_oxygen_pct": 36.485, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.826, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.815, "our_mmol_l_h": 5.328, "ph": 6.97, "phase": "production", "temperature_c": 35.812, "viability_pct": 98.397, "viable_cell_density_million_ml": 18.202}]


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

Trajectory excerpt:
[{"agitation_rpm": 198.401, "airflow_vvm": 0.196, "cer_mmol_l_h": 3.221, "dissolved_oxygen_pct": 41.647, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.453, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.762, "our_mmol_l_h": 3.525, "ph": 6.978, "phase": "exponential", "temperature_c": 36.819, "viability_pct": 98.589, "viable_cell_density_million_ml": 10.249}, {"agitation_rpm": 218.181, "airflow_vvm": 0.214, "cer_mmol_l_h": 3.916, "dissolved_oxygen_pct": 39.615, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.177, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.921, "our_mmol_l_h": 4.242, "ph": 6.968, "phase": "exponential", "temperature_c": 36.779, "viability_pct": 98.556, "viable_cell_density_million_ml": 12.372}, {"agitation_rpm": 246.601, "airflow_vvm": 0.201, "cer_mmol_l_h": 4.865, "dissolved_oxygen_pct": 30.5, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 4.145, "hour": 84.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.942, "our_mmol_l_h": 5.321, "ph": 6.961, "phase": "exponential", "temperature_c": 36.816, "viability_pct": 98.608, "viable_cell_density_million_ml": 15.615}, {"agitation_rpm": 277.831, "airflow_vvm": 0.169, "cer_mmol_l_h": 6.024, "dissolved_oxygen_pct": 17.971, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.973, "hour": 100.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.804, "our_mmol_l_h": 6.55, "ph": 6.973, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.37, "viable_cell_density_million_ml": 19.264}]


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

Trajectory excerpt:
[{"agitation_rpm": 198.401, "airflow_vvm": 0.196, "cer_mmol_l_h": 3.221, "dissolved_oxygen_pct": 41.647, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.453, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.762, "our_mmol_l_h": 3.525, "ph": 6.978, "phase": "exponential", "temperature_c": 36.819, "viability_pct": 98.589, "viable_cell_density_million_ml": 10.249}, {"agitation_rpm": 218.181, "airflow_vvm": 0.214, "cer_mmol_l_h": 3.916, "dissolved_oxygen_pct": 39.615, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.177, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.921, "our_mmol_l_h": 4.242, "ph": 6.968, "phase": "exponential", "temperature_c": 36.779, "viability_pct": 98.556, "viable_cell_density_million_ml": 12.372}, {"agitation_rpm": 246.601, "airflow_vvm": 0.201, "cer_mmol_l_h": 4.865, "dissolved_oxygen_pct": 30.5, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 4.145, "hour": 84.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.942, "our_mmol_l_h": 5.321, "ph": 6.961, "phase": "exponential", "temperature_c": 36.816, "viability_pct": 98.608, "viable_cell_density_million_ml": 15.615}, {"agitation_rpm": 277.831, "airflow_vvm": 0.169, "cer_mmol_l_h": 6.024, "dissolved_oxygen_pct": 17.971, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.973, "hour": 100.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.804, "our_mmol_l_h": 6.55, "ph": 6.973, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.37, "viable_cell_density_million_ml": 19.264}]


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

Trajectory excerpt:
[{"agitation_rpm": 198.401, "airflow_vvm": 0.196, "cer_mmol_l_h": 3.221, "dissolved_oxygen_pct": 41.647, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.453, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.762, "our_mmol_l_h": 3.525, "ph": 6.978, "phase": "exponential", "temperature_c": 36.819, "viability_pct": 98.589, "viable_cell_density_million_ml": 10.249}, {"agitation_rpm": 218.181, "airflow_vvm": 0.214, "cer_mmol_l_h": 3.916, "dissolved_oxygen_pct": 39.615, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.177, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.921, "our_mmol_l_h": 4.242, "ph": 6.968, "phase": "exponential", "temperature_c": 36.779, "viability_pct": 98.556, "viable_cell_density_million_ml": 12.372}, {"agitation_rpm": 246.601, "airflow_vvm": 0.201, "cer_mmol_l_h": 4.865, "dissolved_oxygen_pct": 30.5, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 4.145, "hour": 84.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.942, "our_mmol_l_h": 5.321, "ph": 6.961, "phase": "exponential", "temperature_c": 36.816, "viability_pct": 98.608, "viable_cell_density_million_ml": 15.615}, {"agitation_rpm": 277.831, "airflow_vvm": 0.169, "cer_mmol_l_h": 6.024, "dissolved_oxygen_pct": 17.971, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.973, "hour": 100.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.804, "our_mmol_l_h": 6.55, "ph": 6.973, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.37, "viable_cell_density_million_ml": 19.264}]


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

Trajectory excerpt:
[{"agitation_rpm": 198.401, "airflow_vvm": 0.196, "cer_mmol_l_h": 3.221, "dissolved_oxygen_pct": 41.647, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.453, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.762, "our_mmol_l_h": 3.525, "ph": 6.978, "phase": "exponential", "temperature_c": 36.819, "viability_pct": 98.589, "viable_cell_density_million_ml": 10.249}, {"agitation_rpm": 218.181, "airflow_vvm": 0.214, "cer_mmol_l_h": 3.916, "dissolved_oxygen_pct": 39.615, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 4.177, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.921, "our_mmol_l_h": 4.242, "ph": 6.968, "phase": "exponential", "temperature_c": 36.779, "viability_pct": 98.556, "viable_cell_density_million_ml": 12.372}, {"agitation_rpm": 246.601, "airflow_vvm": 0.201, "cer_mmol_l_h": 4.865, "dissolved_oxygen_pct": 30.5, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 4.145, "hour": 84.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.942, "our_mmol_l_h": 5.321, "ph": 6.961, "phase": "exponential", "temperature_c": 36.816, "viability_pct": 98.608, "viable_cell_density_million_ml": 15.615}, {"agitation_rpm": 277.831, "airflow_vvm": 0.169, "cer_mmol_l_h": 6.024, "dissolved_oxygen_pct": 17.971, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.973, "hour": 100.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 1.804, "our_mmol_l_h": 6.55, "ph": 6.973, "phase": "production", "temperature_c": 35.798, "viability_pct": 98.37, "viable_cell_density_million_ml": 19.264}]


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

Trajectory excerpt:
[{"agitation_rpm": 212.914, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.729, "dissolved_oxygen_pct": 39.659, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.591, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.272, "our_mmol_l_h": 4.074, "ph": 6.986, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.758, "viable_cell_density_million_ml": 11.894}, {"agitation_rpm": 237.161, "airflow_vvm": 0.245, "cer_mmol_l_h": 4.643, "dissolved_oxygen_pct": 37.787, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.477, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.228, "our_mmol_l_h": 5.007, "ph": 6.989, "phase": "exponential", "temperature_c": 36.788, "viability_pct": 98.863, "viable_cell_density_million_ml": 14.876}, {"agitation_rpm": 280.775, "airflow_vvm": 0.296, "cer_mmol_l_h": 6.101, "dissolved_oxygen_pct": 35.727, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.425, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.199, "our_mmol_l_h": 6.073, "ph": 6.999, "phase": "exponential", "temperature_c": 36.809, "viability_pct": 98.937, "viable_cell_density_million_ml": 18.985}, {"agitation_rpm": 285.862, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.965, "dissolved_oxygen_pct": 36.963, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.166, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.126, "our_mmol_l_h": 7.492, "ph": 7.001, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.822, "viable_cell_density_million_ml": 24.522}]


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

Trajectory excerpt:
[{"agitation_rpm": 212.914, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.729, "dissolved_oxygen_pct": 39.659, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.591, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.272, "our_mmol_l_h": 4.074, "ph": 6.986, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.758, "viable_cell_density_million_ml": 11.894}, {"agitation_rpm": 237.161, "airflow_vvm": 0.245, "cer_mmol_l_h": 4.643, "dissolved_oxygen_pct": 37.787, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.477, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.228, "our_mmol_l_h": 5.007, "ph": 6.989, "phase": "exponential", "temperature_c": 36.788, "viability_pct": 98.863, "viable_cell_density_million_ml": 14.876}, {"agitation_rpm": 280.775, "airflow_vvm": 0.296, "cer_mmol_l_h": 6.101, "dissolved_oxygen_pct": 35.727, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.425, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.199, "our_mmol_l_h": 6.073, "ph": 6.999, "phase": "exponential", "temperature_c": 36.809, "viability_pct": 98.937, "viable_cell_density_million_ml": 18.985}, {"agitation_rpm": 285.862, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.965, "dissolved_oxygen_pct": 36.963, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.166, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.126, "our_mmol_l_h": 7.492, "ph": 7.001, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.822, "viable_cell_density_million_ml": 24.522}]


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

Trajectory excerpt:
[{"agitation_rpm": 212.914, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.729, "dissolved_oxygen_pct": 39.659, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.591, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.272, "our_mmol_l_h": 4.074, "ph": 6.986, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.758, "viable_cell_density_million_ml": 11.894}, {"agitation_rpm": 237.161, "airflow_vvm": 0.245, "cer_mmol_l_h": 4.643, "dissolved_oxygen_pct": 37.787, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.477, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.228, "our_mmol_l_h": 5.007, "ph": 6.989, "phase": "exponential", "temperature_c": 36.788, "viability_pct": 98.863, "viable_cell_density_million_ml": 14.876}, {"agitation_rpm": 280.775, "airflow_vvm": 0.296, "cer_mmol_l_h": 6.101, "dissolved_oxygen_pct": 35.727, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.425, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.199, "our_mmol_l_h": 6.073, "ph": 6.999, "phase": "exponential", "temperature_c": 36.809, "viability_pct": 98.937, "viable_cell_density_million_ml": 18.985}, {"agitation_rpm": 285.862, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.965, "dissolved_oxygen_pct": 36.963, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.166, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.126, "our_mmol_l_h": 7.492, "ph": 7.001, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.822, "viable_cell_density_million_ml": 24.522}]


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

Trajectory excerpt:
[{"agitation_rpm": 212.914, "airflow_vvm": 0.209, "cer_mmol_l_h": 3.729, "dissolved_oxygen_pct": 39.659, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.591, "hour": 64.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.272, "our_mmol_l_h": 4.074, "ph": 6.986, "phase": "exponential", "temperature_c": 36.824, "viability_pct": 98.758, "viable_cell_density_million_ml": 11.894}, {"agitation_rpm": 237.161, "airflow_vvm": 0.245, "cer_mmol_l_h": 4.643, "dissolved_oxygen_pct": 37.787, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.477, "hour": 72.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.228, "our_mmol_l_h": 5.007, "ph": 6.989, "phase": "exponential", "temperature_c": 36.788, "viability_pct": 98.863, "viable_cell_density_million_ml": 14.876}, {"agitation_rpm": 280.775, "airflow_vvm": 0.296, "cer_mmol_l_h": 6.101, "dissolved_oxygen_pct": 35.727, "feed_flow_ratio": 0.734, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 2.425, "hour": 84.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.199, "our_mmol_l_h": 6.073, "ph": 6.999, "phase": "exponential", "temperature_c": 36.809, "viability_pct": 98.937, "viable_cell_density_million_ml": 18.985}, {"agitation_rpm": 285.862, "airflow_vvm": 0.303, "cer_mmol_l_h": 7.965, "dissolved_oxygen_pct": 36.963, "feed_flow_ratio": 0.38, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 1.166, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.126, "our_mmol_l_h": 7.492, "ph": 7.001, "phase": "production", "temperature_c": 35.81, "viability_pct": 98.822, "viable_cell_density_million_ml": 24.522}]


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


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. 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": 285.985, "airflow_vvm": 0.301, "cer_mmol_l_h": 7.976, "dissolved_oxygen_pct": 36.931, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.369, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.137, "our_mmol_l_h": 8.701, "ph": 6.999, "phase": "production", "temperature_c": 35.789, "viability_pct": 98.653, "viable_cell_density_million_ml": 25.48}, {"agitation_rpm": 285.814, "airflow_vvm": 0.301, "cer_mmol_l_h": 8.82, "dissolved_oxygen_pct": 36.998, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.391, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.109, "our_mmol_l_h": 9.576, "ph": 7.004, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.674, "viable_cell_density_million_ml": 28.181}, {"agitation_rpm": 284.67, "airflow_vvm": 0.248, "cer_mmol_l_h": 9.874, "dissolved_oxygen_pct": 28.551, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.525, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.061, "our_mmol_l_h": 10.704, "ph": 6.999, "phase": "production", "temperature_c": 35.817, "viability_pct": 98.661, "viable_cell_density_million_ml": 31.536}, {"agitation_rpm": 285.895, "airflow_vvm": 0.18, "cer_mmol_l_h": 10.8, "dissolved_oxygen_pct": 17.805, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.745, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 0.995, "our_mmol_l_h": 11.738, "ph": 7.01, "phase": "production", "temperature_c": 35.825, "viability_pct": 98.933, "viable_cell_density_million_ml": 34.506}]


Prompt:
This is a deterministic synthetic process trajectory, not a validated digital twin. Choose the 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": 285.985, "airflow_vvm": 0.301, "cer_mmol_l_h": 7.976, "dissolved_oxygen_pct": 36.931, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.369, "hour": 100.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.137, "our_mmol_l_h": 8.701, "ph": 6.999, "phase": "production", "temperature_c": 35.789, "viability_pct": 98.653, "viable_cell_density_million_ml": 25.48}, {"agitation_rpm": 285.814, "airflow_vvm": 0.301, "cer_mmol_l_h": 8.82, "dissolved_oxygen_pct": 36.998, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 55.0, "glucose_g_l": 3.391, "hour": 108.0, "inlet_filter_delta_p_kpa": 3.0, "lactate_g_l": 1.109, "our_mmol_l_h": 9.576, "ph": 7.004, "phase": "production", "temperature_c": 35.795, "viability_pct": 98.674, "viable_cell_density_million_ml": 28.181}, {"agitation_rpm": 284.67, "airflow_vvm": 0.248, "cer_mmol_l_h": 9.874, "dissolved_oxygen_pct": 28.551, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 74.286, "glucose_g_l": 3.525, "hour": 120.0, "inlet_filter_delta_p_kpa": 12.429, "lactate_g_l": 1.061, "our_mmol_l_h": 10.704, "ph": 6.999, "phase": "production", "temperature_c": 35.817, "viability_pct": 98.661, "viable_cell_density_million_ml": 31.536}, {"agitation_rpm": 285.895, "airflow_vvm": 0.18, "cer_mmol_l_h": 10.8, "dissolved_oxygen_pct": 17.805, "feed_flow_ratio": 1.0, "feed_pump_command_pct": 100.0, "gas_valve_command_pct": 100.0, "glucose_g_l": 3.745, "hour": 136.0, "inlet_filter_delta_p_kpa": 25.0, "lactate_g_l": 0.995, "our_mmol_l_h": 11.738, "ph": 7.01, "phase": "production", "temperature_c": 35.825, "viability_pct": 98.933, "viable_cell_density_million_ml": 34.506}]