calc.engineer

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['attenuation_db'], 'properties': {'z0_ohm': {'type': 'number', 'default': 50, 'description': 'Characteristic impedance in ohms (default 50)', 'exclusiveMinimum': 0}, 'attenuation_db': {'type': 'number', 'description': 'Desired attenuation in decibels (positive value)', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['r1_ohm', 'r2_ohm', 'r3_ohm', 'topology'], 'properties': {'r1_ohm': {'type': 'number', 'description': 'Shunt resistor R1 (input side) in ohms'}, 'r2_ohm': {'type': 'number', 'description': 'Series resistor R2 (middle) in ohms'}, 'r3_ohm': {'type': 'number', 'description': 'Shunt resistor R3 (output side) in ohms'}, 'topology': {'type': 'string', 'description': 'Attenuator topology identifier'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['attenuation_db'], 'properties': {'z0_ohm': {'type': 'number', 'default': 50, 'description': 'Characteristic impedance in ohms (default 50)', 'exclusiveMinimum': 0}, 'attenuation_db': {'type': 'number', 'description': 'Desired attenuation in decibels (positive value)', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['r1_ohm', 'r2_ohm', 'r3_ohm', 'topology'], 'properties': {'r1_ohm': {'type': 'number', 'description': 'Series resistor R1 (input side) in ohms'}, 'r2_ohm': {'type': 'number', 'description': 'Shunt resistor R2 (middle) in ohms'}, 'r3_ohm': {'type': 'number', 'description': 'Series resistor R3 (output side) in ohms'}, 'topology': {'type': 'string', 'description': 'Attenuator topology identifier'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['daily_kwh', 'battery_kwh'], 'properties': {'dod': {'type': 'number', 'default': 0.8, 'maximum': 1, 'minimum': 0, 'description': 'Depth of discharge (0-1), default 0.8 for lithium'}, 'daily_kwh': {'type': 'number', 'description': 'Daily energy consumption in kilowatt-hours (kWh)', 'exclusiveMinimum': 0}, 'battery_kwh': {'type': 'number', 'description': 'Total installed battery capacity in kWh', 'exclusiveMinimum': 0}, 'min_soc_pct': {'type': 'number', 'default': 20, 'maximum': 100, 'minimum': 0, 'description': 'Minimum state of charge percentage, default 20%'}, 'round_trip_efficiency': {'type': 'number', 'default': 0.9, 'maximum': 1, 'minimum': 0, 'description': 'Battery round-trip efficiency (0-1), default 0.90 for lithium, use 0.80 for lead-acid'}, 'avg_solar_contribution_pct': {'type': 'number', 'default': 0, 'maximum': 100, 'minimum': 0, 'description': 'Average solar contribution during autonomy period (0-100%), default 0 for worst-case'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['usable_kwh', 'autonomy_days', 'autonomy_hours', 'daily_deficit_kwh', 'battery_cycles_per_year'], 'properties': {'usable_kwh': {'type': 'number', 'description': 'Usable battery capacity after DoD and efficiency losses (kWh)'}, 'autonomy_days': {'type': 'number', 'description': 'Number of days the battery can sustain loads'}, 'autonomy_hours': {'type': 'number', 'description': 'Number of hours the battery can sustain loads'}, 'daily_deficit_kwh': {'type': 'number', 'description': 'Effective daily energy need after solar contribution (kWh)'}, 'battery_cycles_per_year': {'type': 'number', 'description': 'Estimated full discharge cycles per year (365 / autonomy_days)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['capacity_mah', 'charge_current_ma'], 'properties': {'voltage_v': {'type': 'number', 'default': 3.7, 'description': 'Nominal battery voltage for energy calculation (V), default 3.7 for Li-ion', 'exclusiveMinimum': 0}, 'efficiency': {'type': 'number', 'default': 0.85, 'maximum': 1, 'minimum': 0, 'description': 'Charger efficiency factor (0-1), default 0.85'}, 'capacity_mah': {'type': 'number', 'description': 'Total battery capacity in milliamp-hours (mAh)', 'exclusiveMinimum': 0}, 'initial_soc_pct': {'type': 'number', 'default': 0, 'maximum': 100, 'minimum': 0, 'description': 'Initial state of charge as percentage (0-100), default 0 (empty)'}, 'charge_current_ma': {'type': 'number', 'description': 'Charge current in milliamps (mA)', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['charge_time_hours', 'charge_time_minutes', 'energy_required_wh', 'c_rate'], 'properties': {'c_rate': {'type': 'number', 'description': 'C-rate of the charge (charge_current / capacity)'}, 'charge_time_hours': {'type': 'number', 'description': 'Estimated charge time in hours'}, 'energy_required_wh': {'type': 'number', 'description': 'Energy required to charge at nominal voltage (Wh)'}, 'charge_time_minutes': {'type': 'number', 'description': 'Estimated charge time in minutes'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['capacity_mah', 'current_draw_ma'], 'properties': {'voltage': {'type': 'number', 'default': 3.7, 'description': 'Nominal battery voltage (V), default 3.7 for Li-ion', 'exclusiveMinimum': 0}, 'efficiency': {'type': 'number', 'default': 0.85, 'maximum': 1, 'minimum': 0, 'description': 'Discharge efficiency factor (0-1), accounts for conversion losses and derating, default 0.85'}, 'capacity_mah': {'type': 'number', 'description': 'Battery capacity in milliamp-hours (mAh)', 'exclusiveMinimum': 0}, 'current_draw_ma': {'type': 'number', 'description': 'Average current draw in milliamps (mA)', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['runtime_hours', 'runtime_days', 'energy_wh', 'effective_capacity_mah'], 'properties': {'energy_wh': {'type': 'number', 'description': 'Total battery energy in watt-hours (capacity_mah * voltage / 1000)'}, 'runtime_days': {'type': 'number', 'description': 'Estimated runtime in days'}, 'runtime_hours': {'type': 'number', 'description': 'Estimated runtime in hours'}, 'effective_capacity_mah': {'type': 'number', 'description': 'Effective usable capacity after efficiency derating (mAh)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['weight', 'height'], 'properties': {'unit': {'enum': ['metric', 'imperial'], 'type': 'string', 'default': 'metric', 'description': "Unit system. 'metric' = kg and cm. 'imperial' = lbs and inches. Defaults to 'metric'."}, 'height': {'type': 'number', 'description': "Height. Units determined by the 'unit' parameter.", 'exclusiveMinimum': 0}, 'weight': {'type': 'number', 'description': "Body weight. Units determined by the 'unit' parameter.", 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['bmi', 'category', 'healthy_weight_range_low', 'healthy_weight_range_high', 'weight_unit'], 'properties': {'bmi': {'type': 'number', 'description': 'Body Mass Index value rounded to 1 decimal.'}, 'category': {'type': 'string', 'description': 'WHO BMI classification: Underweight, Normal weight, Overweight, Obese Class I/II/III.'}, 'weight_unit': {'type': 'string', 'description': 'Unit of the weight values in this response (kg or lbs).'}, 'healthy_weight_range_low': {'type': 'number', 'description': 'Low end of healthy weight range (BMI 18.5) in the input unit system.'}, 'healthy_weight_range_high': {'type': 'number', 'description': 'High end of healthy weight range (BMI 24.9) in the input unit system.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['resistance_ohm', 'capacitance_f', 'v_supply'], 'properties': {'v_supply': {'type': 'number', 'description': 'Supply voltage in volts. The voltage the capacitor charges toward.', 'exclusiveMinimum': 0}, 'v_target': {'type': 'number', 'description': 'Target voltage to reach in volts (optional). When provided, calculates time to reach this voltage. Must be between v_initial and v_supply.'}, 'v_initial': {'type': 'number', 'default': 0, 'description': 'Initial capacitor voltage in volts (default 0 for fully discharged).'}, 'capacitance_f': {'type': 'number', 'description': 'Capacitance in farads (C). Use scientific notation, e.g. 1e-6 for 1 µF.', 'exclusiveMinimum': 0}, 'resistance_ohm': {'type': 'number', 'description': 'Series resistance in ohms (R). Controls charge/discharge rate.', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['tau_s', 'tau_ms', 'time_to_63pct_ms', 'time_to_86pct_ms', 'time_to_95pct_ms', 'time_to_99pct_ms', 'time_to_target_ms', 'v_at_1tau', 'v_at_2tau', 'v_at_5tau', 'energy_joules', 'energy_mj', 'peak_current_ma'], 'properties': {'tau_s': {'type': 'number', 'description': 'RC time constant (Ï\x84 = RÃ\x97C) in seconds.'}, 'tau_ms': {'type': 'number', 'description': 'RC time constant in milliseconds.'}, 'energy_mj': {'type': 'number', 'description': 'Energy stored at full charge in millijoules.'}, 'v_at_1tau': {'type': 'number', 'description': 'Capacitor voltage after 1Ï\x84 in volts.'}, 'v_at_2tau': {'type': 'number', 'description': 'Capacitor voltage after 2Ï\x84 in volts.'}, 'v_at_5tau': {'type': 'number', 'description': 'Capacitor voltage after 5Ï\x84 in volts.'}, 'energy_joules': {'type': 'number', 'description': 'Energy stored at full charge: E = ½CV² in joules.'}, 'peak_current_ma': {'type': 'number', 'description': 'Peak charging current at t=0 in milliamps: Ipeak = (Vsupply â\x88\x92 Vinitial) / R.'}, 'time_to_63pct_ms': {'type': 'number', 'description': 'Time to reach 63.2% of (Vsupply â\x88\x92 Vinitial) in milliseconds (1Ï\x84).'}, 'time_to_86pct_ms': {'type': 'number', 'description': 'Time to reach 86.5% of (Vsupply â\x88\x92 Vinitial) in milliseconds (2Ï\x84).'}, 'time_to_95pct_ms': {'type': 'number', 'description': 'Time to reach 95.0% of (Vsupply â\x88\x92 Vinitial) in milliseconds (3Ï\x84).'}, 'time_to_99pct_ms': {'type': 'number', 'description': 'Time to reach 99.3% of (Vsupply â\x88\x92 Vinitial) in milliseconds (5Ï\x84).'}, 'time_to_target_ms': {'type': ['number', 'null'], 'description': 'Time to reach v_target in milliseconds (null if v_target not specified).'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['nodes', 'airtime_ms'], 'properties': {'nodes': {'type': 'integer', 'minimum': 1, 'description': 'Number of active nodes in the mesh network.'}, 'airtime_ms': {'type': 'number', 'minimum': 0, 'description': 'Time-on-air per packet in milliseconds. Obtain from lora_airtime tool.'}, 'max_duty_cycle_pct': {'type': 'number', 'default': 10, 'maximum': 100, 'minimum': 0, 'description': 'Maximum acceptable channel utilization percentage. Default 10% is a common Meshtastic guideline.'}, 'messages_per_hour_per_node': {'type': 'number', 'default': 2, 'minimum': 0, 'description': 'Average messages transmitted per hour per node. Includes position beacons and user messages.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['utilization_pct', 'max_nodes_at_limit', 'headroom_pct', 'packets_per_hour'], 'properties': {'headroom_pct': {'type': 'number', 'description': 'Remaining headroom before hitting the duty cycle limit (can be negative if over limit).'}, 'utilization_pct': {'type': 'number', 'description': 'Current channel utilization as a percentage of total airtime.'}, 'packets_per_hour': {'type': 'number', 'description': 'Total packets per hour across all nodes.'}, 'max_nodes_at_limit': {'type': 'integer', 'description': 'Maximum number of nodes before exceeding the duty cycle limit.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'radius': {'type': 'number', 'description': 'The radius of the circle (takes precedence over diameter)', 'exclusiveMinimum': 0}, 'diameter': {'type': 'number', 'description': 'The diameter of the circle', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['circumference', 'area', 'diameter', 'radius'], 'properties': {'area': {'type': 'number', 'description': 'Area of the circle (A = Ï\x80r²)'}, 'radius': {'type': 'number', 'description': 'Radius of the circle'}, 'diameter': {'type': 'number', 'description': 'Diameter of the circle'}, 'circumference': {'type': 'number', 'description': 'Circumference of the circle (C = 2Ï\x80r)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['principal', 'annual_rate_pct', 'years'], 'properties': {'years': {'type': 'number', 'maximum': 100, 'description': 'Investment duration in years. Max 100.', 'exclusiveMinimum': 0}, 'principal': {'type': 'number', 'description': 'Initial investment or deposit amount (any currency unit).', 'exclusiveMinimum': 0}, 'annual_rate_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Annual interest rate as a percentage (e.g., 5.5 for 5.5%).'}, 'compounds_per_year': {'type': 'integer', 'default': 12, 'maximum': 365, 'description': 'How often interest compounds per year. Allowed: 1 (annually), 2 (semi-annually), 4 (quarterly), 12 (monthly), 52 (weekly), 365 (daily). Defaults to 12.', 'exclusiveMinimum': 0}, 'monthly_contribution': {'type': 'number', 'default': 0, 'minimum': 0, 'description': 'Optional recurring monthly contribution added at each month. Defaults to 0.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['future_value', 'total_interest', 'total_contributions', 'effective_annual_rate_pct', 'schedule'], 'properties': {'schedule': {'type': 'array', 'items': {'type': 'object', 'required': ['year', 'start_balance', 'interest_earned', 'contributions', 'end_balance'], 'properties': {'year': {'type': 'number', 'description': 'Year number (1-based).'}, 'end_balance': {'type': 'number', 'description': 'Balance at the end of the year.'}, 'contributions': {'type': 'number', 'description': 'Total contributions added during this year.'}, 'start_balance': {'type': 'number', 'description': 'Balance at the start of the year.'}, 'interest_earned': {'type': 'number', 'description': 'Interest earned during this year.'}}, 'additionalProperties': False}, 'description': 'Year-by-year growth schedule.'}, 'future_value': {'type': 'number', 'description': 'Final balance after all compounding and contributions.'}, 'total_interest': {'type': 'number', 'description': 'Total interest earned over the full period.'}, 'total_contributions': {'type': 'number', 'description': 'Total of all contributions (principal + recurring).'}, 'effective_annual_rate_pct': {'type': 'number', 'description': 'Effective annual rate accounting for compounding frequency (APY).'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['sample_mean', 'sample_size', 'standard_deviation'], 'properties': {'sample_mean': {'type': 'number', 'description': 'The observed sample mean (x-bar) around which the confidence interval is centered.'}, 'sample_size': {'type': 'integer', 'description': 'The number of observations in the sample (n). Must be a positive integer.', 'exclusiveMinimum': 0}, 'population_size': {'type': 'integer', 'description': 'Total population size for finite population correction (FPC). Omit for infinite population assumption.', 'exclusiveMinimum': 0}, 'confidence_level': {'type': 'number', 'default': 0.95, 'description': 'Confidence level as a decimal between 0 and 1 (e.g. 0.95 for 95%). Default is 0.95.', 'exclusiveMaximum': 1, 'exclusiveMinimum': 0}, 'standard_deviation': {'type': 'number', 'description': 'The standard deviation of the sample or population. Must be a positive number.', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['lower_bound', 'upper_bound', 'margin_of_error', 'z_score', 'standard_error', 'confidence_level'], 'properties': {'z_score': {'type': 'number', 'description': 'Critical z-value used for the given confidence level.'}, 'lower_bound': {'type': 'number', 'description': 'Lower bound of the confidence interval.'}, 'upper_bound': {'type': 'number', 'description': 'Upper bound of the confidence interval.'}, 'standard_error': {'type': 'number', 'description': 'Standard error of the mean, optionally adjusted with finite population correction.'}, 'margin_of_error': {'type': 'number', 'description': 'Half-width of the confidence interval (z_score * standard_error).'}, 'confidence_level': {'type': 'number', 'description': 'The confidence level used (echoed back).'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['total_watts'], 'properties': {'insulation': {'enum': ['poor', 'average', 'good', 'excellent'], 'type': 'string', 'default': 'average', 'description': 'Wall/ceiling insulation quality: poor (uninsulated garage), average (standard drywall), good (insulated interior), excellent (server room with vapor barrier)'}, 'total_watts': {'type': 'number', 'description': 'Total power consumption in watts â\x80\x94 all power becomes heat', 'exclusiveMinimum': 0}, 'sun_exposure': {'enum': ['none', 'partial', 'full'], 'type': 'string', 'default': 'partial', 'description': 'Solar heat gain: none (interior/basement room), partial (one exterior wall with window), full (multiple sun-facing windows)'}, 'room_width_ft': {'type': 'number', 'default': 10, 'description': 'Room width in feet', 'exclusiveMinimum': 0}, 'target_temp_f': {'type': 'number', 'default': 72, 'description': 'Desired room temperature in degrees Fahrenheit'}, 'ambient_temp_f': {'type': 'number', 'default': 75, 'description': 'Ambient temperature outside the room in degrees Fahrenheit'}, 'room_height_ft': {'type': 'number', 'default': 8, 'description': 'Room ceiling height in feet', 'exclusiveMinimum': 0}, 'room_length_ft': {'type': 'number', 'default': 10, 'description': 'Room length in feet', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['equipment_btu', 'envelope_btu', 'total_btu', 'ac_tons', 'mini_split_btu_recommended', 'exhaust_cfm_needed', 'will_overheat'], 'properties': {'ac_tons': {'type': 'number', 'description': 'Cooling capacity needed in tons of refrigeration (1 ton = 12,000 BTU/hr)'}, 'total_btu': {'type': 'number', 'description': 'Total cooling load in BTU/hr (equipment + envelope + sun)'}, 'envelope_btu': {'type': 'number', 'description': 'Heat gain/loss through walls based on room size, insulation, and delta-T'}, 'equipment_btu': {'type': 'number', 'description': 'Heat generated by equipment in BTU/hr (watts * 3.412)'}, 'will_overheat': {'type': 'boolean', 'description': 'True if total heat load is positive and no cooling is provided'}, 'exhaust_cfm_needed': {'type': 'number', 'description': 'Exhaust fan airflow needed in cubic feet per minute if using ventilation instead of AC'}, 'mini_split_btu_recommended': {'type': 'number', 'description': 'Recommended mini-split size rounded up to nearest 6,000 BTU increment'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['start_date', 'end_date'], 'properties': {'end_date': {'type': 'string', 'pattern': '^\\d{4}-\\d{2}-\\d{2}$', 'description': "End date in YYYY-MM-DD format (e.g., '2024-12-31')."}, 'start_date': {'type': 'string', 'pattern': '^\\d{4}-\\d{2}-\\d{2}$', 'description': "Start date in YYYY-MM-DD format (e.g., '2024-01-15')."}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['days', 'weeks', 'months', 'years', 'business_days', 'is_future'], 'properties': {'days': {'type': 'number', 'description': 'Total number of days between the two dates (absolute value).'}, 'weeks': {'type': 'number', 'description': 'Number of complete weeks.'}, 'years': {'type': 'number', 'description': 'Approximate number of years (days / 365.25).'}, 'months': {'type': 'number', 'description': 'Approximate number of months (days / 30.44).'}, 'is_future': {'type': 'boolean', 'description': 'True if end_date is after start_date.'}, 'business_days': {'type': 'number', 'description': 'Number of weekdays (Monday-Friday) between the dates.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['dbm'], 'properties': {'dbm': {'type': 'number', 'description': 'Power level in dBm (decibels relative to 1 milliwatt)'}, 'impedance_ohm': {'type': 'number', 'default': 50, 'description': 'Load impedance in ohms for Vrms calculation (default 50)', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['mw', 'watts', 'vrms', 'dbw'], 'properties': {'mw': {'type': 'number', 'description': 'Power in milliwatts'}, 'dbw': {'type': 'number', 'description': 'Power in dBW (decibels relative to 1 watt)'}, 'vrms': {'type': 'number', 'description': 'RMS voltage across the load impedance in volts'}, 'watts': {'type': 'number', 'description': 'Power in watts'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['freq_mhz'], 'properties': {'type': {'enum': ['half_wave', 'quarter_wave'], 'type': 'string', 'default': 'half_wave', 'description': 'Antenna type: half_wave dipole or quarter_wave monopole'}, 'freq_mhz': {'type': 'number', 'description': 'Operating frequency in megahertz (MHz)', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['length_m', 'length_ft', 'length_in', 'wavelength_m'], 'properties': {'length_m': {'type': 'number', 'description': 'Element length in metres'}, 'length_ft': {'type': 'number', 'description': 'Element length in feet'}, 'length_in': {'type': 'number', 'description': 'Element length in inches'}, 'wavelength_m': {'type': 'number', 'description': 'Full wavelength in metres'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['airtime_ms'], 'properties': {'region': {'enum': ['EU868', 'US915', 'AS923', 'AU915'], 'type': 'string', 'default': 'EU868', 'description': 'LoRa regulatory region. EU868: 1% duty cycle (ETSI). US915: no duty cycle but 400 ms dwell time (FCC). AS923: 1% duty cycle (varies by country). AU915: no duty cycle limit.'}, 'airtime_ms': {'type': 'number', 'description': 'Packet time-on-air in milliseconds. Obtain from the lora_airtime tool.', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['max_messages_per_hour', 'min_interval_s', 'duty_cycle_pct', 'dwell_time_limited', 'effective_data_rate_bps'], 'properties': {'duty_cycle_pct': {'type': 'number', 'description': 'Applicable duty cycle limit as a percentage. 100 means no duty cycle restriction.'}, 'min_interval_s': {'type': 'number', 'description': 'Minimum interval between transmissions in seconds to comply with duty cycle regulation.'}, 'dwell_time_limited': {'type': 'boolean', 'description': 'True if the region enforces a per-transmission dwell time limit (e.g., US915 400 ms).'}, 'max_messages_per_hour': {'type': 'integer', 'description': 'Maximum messages per hour allowed under the regional duty cycle constraint.'}, 'effective_data_rate_bps': {'type': 'number', 'description': 'Effective throughput in bits per second considering duty cycle. For duty-cycle-limited regions, this reflects actual achievable throughput.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['tx_power_dbm', 'antenna_gain_dbi'], 'properties': {'region': {'enum': ['FCC_US', 'ETSI_EU', 'ACMA_AU', 'IC_CA', 'JP', 'custom'], 'type': 'string', 'default': 'FCC_US', 'description': 'Regulatory region for EIRP limit lookup. FCC_US: 36 dBm, ETSI_EU: ~16 dBm, ACMA_AU: 30 dBm, IC_CA: 36 dBm, JP: 13 dBm.'}, 'tx_power_dbm': {'type': 'number', 'description': 'Conducted transmit power at the radio output in dBm. Typical LoRa: 14-22 dBm.'}, 'cable_loss_db': {'type': 'number', 'default': 0, 'minimum': 0, 'description': 'Coaxial cable and connector loss in dB. Set 0 for devices with integrated antennas.'}, 'antenna_gain_dbi': {'type': 'number', 'description': 'Antenna gain in dBi. Stock Meshtastic antennas: 2-3 dBi. External: 6-10+ dBi.'}, 'custom_limit_dbm': {'type': 'number', 'description': "Custom EIRP limit in dBm. Only used when region is 'custom'."}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['eirp_dbm', 'eirp_watts', 'limit_dbm', 'limit_watts', 'margin_db', 'compliant', 'region_name', 'warning'], 'properties': {'warning': {'type': 'string', 'description': 'Warning message if non-compliant, or empty string if compliant.'}, 'eirp_dbm': {'type': 'number', 'description': 'Calculated EIRP in dBm: tx_power + antenna_gain - cable_loss.'}, 'compliant': {'type': 'boolean', 'description': 'True if EIRP is at or below the regional limit.'}, 'limit_dbm': {'type': 'number', 'description': 'Regional EIRP limit in dBm.'}, 'margin_db': {'type': 'number', 'description': 'Margin below the limit in dB. Positive = compliant, negative = over limit.'}, 'eirp_watts': {'type': 'number', 'description': 'Calculated EIRP converted to watts.'}, 'limit_watts': {'type': 'number', 'description': 'Regional EIRP limit converted to watts.'}, 'region_name': {'type': 'string', 'description': 'Human-readable region name.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['base', 'exponent'], 'properties': {'base': {'type': 'number', 'description': 'The base number'}, 'exponent': {'type': 'number', 'description': 'The exponent (power) to raise the base to'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['result', 'scientific_notation'], 'properties': {'result': {'type': 'number', 'description': 'The computed value of base^exponent'}, 'scientific_notation': {'type': 'string', 'description': 'Result in scientific notation for very large/small values'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['freq_mhz', 'dist_km'], 'properties': {'dist_km': {'type': 'number', 'description': 'Total link distance in kilometres', 'exclusiveMinimum': 0}, 'freq_mhz': {'type': 'number', 'description': 'Operating frequency in megahertz (MHz)', 'exclusiveMinimum': 0}, 'zone_number': {'type': 'integer', 'default': 1, 'maximum': 5, 'minimum': 1, 'description': 'Fresnel zone number (1-5, default 1)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['radius_m', 'radius_ft', 'clearance_60pct_m', 'wavelength_m'], 'properties': {'radius_m': {'type': 'number', 'description': 'Fresnel zone radius at midpoint in metres'}, 'radius_ft': {'type': 'number', 'description': 'Fresnel zone radius at midpoint in feet'}, 'wavelength_m': {'type': 'number', 'description': 'RF wavelength in metres'}, 'clearance_60pct_m': {'type': 'number', 'description': '60% Fresnel zone clearance (practical minimum) in metres'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['freq_mhz', 'dist_km'], 'properties': {'dist_km': {'type': 'number', 'description': 'Distance between transmitter and receiver in kilometres', 'exclusiveMinimum': 0}, 'freq_mhz': {'type': 'number', 'description': 'Carrier frequency in megahertz (MHz)', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['fspl_db', 'wavelength_m'], 'properties': {'fspl_db': {'type': 'number', 'description': 'Free-space path loss in decibels (dB)'}, 'wavelength_m': {'type': 'number', 'description': 'RF wavelength in metres'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['solar_system_cost_usd', 'solar_daily_kwh_produced', 'daily_kwh_needed'], 'properties': {'battery_kwh': {'type': 'number', 'default': 0, 'minimum': 0, 'description': 'Battery storage capacity in kWh (0 means no battery, generator needed at night), default 0'}, 'daily_kwh_needed': {'type': 'number', 'description': 'Total daily energy requirement in kWh', 'exclusiveMinimum': 0}, 'years_to_compare': {'type': 'integer', 'default': 10, 'maximum': 30, 'minimum': 1, 'description': 'Number of years to compare, default 10'}, 'solar_system_cost_usd': {'type': 'number', 'description': 'Total solar+battery system cost in USD', 'exclusiveMinimum': 0}, 'generator_hours_per_day': {'type': 'number', 'default': 8, 'maximum': 24, 'minimum': 0, 'description': 'Generator runtime hours per day, default 8'}, 'solar_daily_kwh_produced': {'type': 'number', 'description': 'Daily solar energy production in kWh', 'exclusiveMinimum': 0}, 'generator_consumption_gph': {'type': 'number', 'default': 1, 'description': 'Generator fuel consumption in gallons per hour at load, default 1.0', 'exclusiveMinimum': 0}, 'generator_fuel_cost_per_gallon': {'type': 'number', 'default': 3.5, 'description': 'Fuel cost per gallon in USD, default $3.50', 'exclusiveMinimum': 0}, 'generator_maintenance_per_1000hrs': {'type': 'number', 'default': 200, 'minimum': 0, 'description': 'Generator maintenance cost per 1000 running hours in USD, default $200'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['generator_yearly_cost_usd', 'generator_total_cost_usd', 'solar_yearly_cost_usd', 'solar_total_cost_usd', 'savings_usd', 'savings_pct', 'breakeven_year', 'solar_coverage_pct', 'generator_hours_saved_per_year'], 'properties': {'savings_pct': {'type': 'number', 'description': 'Percentage savings of solar vs generator'}, 'savings_usd': {'type': 'number', 'description': 'Total savings of solar over generator in USD (negative means generator is cheaper)'}, 'breakeven_year': {'type': 'number', 'description': 'Year when solar cumulative cost becomes cheaper than generator (0 if never)'}, 'solar_coverage_pct': {'type': 'number', 'description': 'Percentage of daily energy needs covered by solar+battery'}, 'solar_total_cost_usd': {'type': 'number', 'description': 'Total solar cost over comparison period in USD'}, 'solar_yearly_cost_usd': {'type': 'number', 'description': 'Annualized solar system cost (amortized + maintenance) in USD'}, 'generator_total_cost_usd': {'type': 'number', 'description': 'Total generator cost over comparison period in USD'}, 'generator_yearly_cost_usd': {'type': 'number', 'description': 'Annual generator cost (fuel + maintenance) in USD'}, 'generator_hours_saved_per_year': {'type': 'number', 'description': 'Generator hours eliminated per year by solar'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['base_length_m', 'base_width_m', 'base_height_m', 'fin_count', 'fin_height_m', 'fin_thickness_m', 'airflow_velocity_ms', 'heat_load_w'], 'properties': {'fin_count': {'type': 'integer', 'maximum': 100, 'minimum': 2, 'description': 'Number of fins'}, 'heat_load_w': {'type': 'number', 'description': 'Total heat load applied to base in watts', 'exclusiveMinimum': 0}, 'base_width_m': {'type': 'number', 'maximum': 0.5, 'description': 'Heatsink base width in metres', 'exclusiveMinimum': 0}, 'fin_height_m': {'type': 'number', 'maximum': 0.2, 'description': 'Fin height in metres', 'exclusiveMinimum': 0}, 'mesh_density': {'enum': ['coarse', 'medium', 'fine'], 'type': 'string', 'default': 'medium', 'description': 'Mesh density'}, 'base_height_m': {'type': 'number', 'maximum': 0.05, 'description': 'Base plate thickness in metres', 'exclusiveMinimum': 0}, 'base_length_m': {'type': 'number', 'maximum': 0.5, 'description': 'Heatsink base length in metres', 'exclusiveMinimum': 0}, 'ambient_temp_c': {'type': 'number', 'default': 25, 'description': 'Ambient air temperature in Celsius'}, 'fin_thickness_m': {'type': 'number', 'maximum': 0.01, 'description': 'Fin thickness in metres', 'exclusiveMinimum': 0}, 'airflow_velocity_ms': {'type': 'number', 'maximum': 20, 'description': 'Incoming airflow velocity in m/s', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['thermal_resistance_cw', 'pressure_drop_pa', 'max_base_temp_c', 'avg_base_temp_c', 'fin_tip_temp_c', 'optimal_fin_spacing_m', 'fin_efficiency', 'mesh_cells', 'runtime_ms', 'warnings'], 'properties': {'warnings': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Solver warnings'}, 'mesh_cells': {'type': 'number', 'description': 'Mesh cell count'}, 'runtime_ms': {'type': 'number', 'description': 'Simulation time in ms'}, 'fin_efficiency': {'type': 'number', 'description': 'Fin efficiency (0-1)'}, 'fin_tip_temp_c': {'type': 'number', 'description': 'Average fin tip temperature (°C)'}, 'avg_base_temp_c': {'type': 'number', 'description': 'Average base temperature (°C)'}, 'max_base_temp_c': {'type': 'number', 'description': 'Maximum base temperature (°C)'}, 'pressure_drop_pa': {'type': 'number', 'description': 'Pressure drop across the heatsink (Pa)'}, 'optimal_fin_spacing_m': {'type': 'number', 'description': 'Suggested optimal fin spacing for this airflow (m)'}, 'thermal_resistance_cw': {'type': 'number', 'description': 'Thermal resistance from base to air (°C/W)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['value'], 'properties': {'value': {'type': 'string', 'description': 'The number to convert. Prefix with 0x for hex (0xFF), 0b for binary (0b1010), 0o for octal (0o17). Plain numbers are treated as decimal. Supports negative values with leading minus.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['decimal', 'hex', 'hex_upper', 'binary', 'octal', 'bits', 'bytes', 'ascii', 'signed_8', 'signed_16', 'signed_32'], 'properties': {'hex': {'type': 'string', 'description': "Hexadecimal string with 0x prefix (e.g. '0xFF')."}, 'bits': {'type': 'number', 'description': 'Minimum number of bits needed to represent this value (unsigned).'}, 'ascii': {'type': ['string', 'null'], 'description': 'ASCII character if the value is a printable character (32-126), null otherwise.'}, 'bytes': {'type': 'number', 'description': 'Minimum number of bytes needed (ceil(bits/8)).'}, 'octal': {'type': 'string', 'description': "Octal string with 0o prefix (e.g. '0o377')."}, 'binary': {'type': 'string', 'description': "Binary string with 0b prefix (e.g. '0b11111111')."}, 'decimal': {'type': 'number', 'description': 'Decimal (base-10) value.'}, 'signed_8': {'type': ['number', 'null'], 'description': 'Signed 8-bit interpretation (-128 to 127), null if out of range.'}, 'hex_upper': {'type': 'string', 'description': "Hexadecimal with uppercase letters (e.g. '0xFF')."}, 'signed_16': {'type': ['number', 'null'], 'description': 'Signed 16-bit interpretation (-32768 to 32767), null if out of range.'}, 'signed_32': {'type': ['number', 'null'], 'description': 'Signed 32-bit interpretation, null if out of range.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['source_ohm', 'load_ohm', 'freq_mhz'], 'properties': {'freq_mhz': {'type': 'number', 'description': 'Design frequency in megahertz for component value calculation.', 'exclusiveMinimum': 0}, 'load_ohm': {'type': 'number', 'description': 'Load impedance in ohms (real, resistive). Must differ from source impedance.', 'exclusiveMinimum': 0}, 'source_ohm': {'type': 'number', 'description': 'Source impedance in ohms (real, resistive). Must differ from load impedance.', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['q_factor', 'topology', 'shunt_component', 'series_component'], 'properties': {'q_factor': {'type': 'number', 'description': 'Network Q factor = sqrt(Rh/Rl - 1), where Rh is the higher impedance.'}, 'topology': {'type': 'string', 'description': 'Description of the L-network arrangement (which side gets shunt vs series element).'}, 'shunt_component': {'type': 'object', 'required': ['type', 'reactance_ohm'], 'properties': {'type': {'enum': ['inductor', 'capacitor'], 'type': 'string', 'description': 'Component type: inductor or capacitor.'}, 'value_f': {'type': 'number', 'description': 'Capacitance value in farads, present when type is capacitor.'}, 'value_h': {'type': 'number', 'description': 'Inductance value in henries, present when type is inductor.'}, 'reactance_ohm': {'type': 'number', 'description': 'Reactance magnitude in ohms at the design frequency.'}}, 'description': 'The shunt (parallel) component of the L-network.', 'additionalProperties': False}, 'series_component': {'type': 'object', 'required': ['type', 'reactance_ohm'], 'properties': {'type': {'$ref': '#/properties/shunt_component/properties/type'}, 'value_f': {'$ref': '#/properties/shunt_component/properties/value_f'}, 'value_h': {'$ref': '#/properties/shunt_component/properties/value_h'}, 'reactance_ohm': {'$ref': '#/properties/shunt_component/properties/reactance_ohm'}}, 'description': 'The series component of the L-network.', 'additionalProperties': False}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['continuous_watts'], 'properties': {'efficiency': {'type': 'number', 'default': 0.9, 'maximum': 1, 'minimum': 0.5, 'description': 'Inverter efficiency (0.5-1.0). Good pure-sine inverters are 0.90-0.95. Modified-sine are 0.85-0.90. Budget units may be lower.'}, 'surge_watts': {'type': 'number', 'description': 'Peak surge/starting load in watts. Motors and compressors draw 3-7x rated watts on startup. If omitted, estimated as 3x the largest single load or 2x continuous, whichever is greater.', 'exclusiveMinimum': 0}, 'derating_pct': {'type': 'number', 'default': 20, 'maximum': 50, 'minimum': 0, 'description': 'Derating percentage for temperature, altitude, and safety margin. NEC recommends 20% (80% continuous rating). Range 0-50%.'}, 'power_factor': {'type': 'number', 'default': 0.8, 'maximum': 1, 'minimum': 0.5, 'description': 'Power factor (0.5-1.0). Resistive loads (heaters, lights) are ~1.0. Motor loads (fridge, AC, pump) are 0.6-0.8. Mixed loads typically 0.8.'}, 'system_voltage': {'enum': ['12', '24', '48'], 'type': 'string', 'default': '48', 'description': 'DC system voltage. 12V for small/mobile, 24V for medium, 48V for large residential/commercial. Higher voltage = lower current = thinner cables.'}, 'continuous_watts': {'type': 'number', 'description': 'Total continuous load in watts. Sum of all appliances that may run simultaneously. Chain from solar_load_audit.peak_watts.', 'exclusiveMinimum': 0}, 'largest_load_watts': {'type': 'number', 'description': 'Wattage of the single largest appliance. Used to estimate surge if surge_watts is not provided. Chain from solar_load_audit.largest_load_watts.', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['required_continuous_va', 'required_surge_va', 'derated_continuous_va', 'recommended_size_watts', 'dc_current_continuous_a', 'dc_current_surge_a', 'battery_cable_note', 'surge_margin_pct', 'efficiency_loss_watts'], 'properties': {'surge_margin_pct': {'type': 'number', 'description': 'How much surge headroom the recommended inverter provides above the estimated surge requirement.'}, 'required_surge_va': {'type': 'number', 'description': 'Required surge/peak VA capacity for motor starting loads.'}, 'battery_cable_note': {'type': 'string', 'description': 'Guidance on DC cable sizing based on the continuous current draw.'}, 'dc_current_surge_a': {'type': 'number', 'description': 'Peak DC input current during surge. Sizes the DC fuse and battery cable.'}, 'derated_continuous_va': {'type': 'number', 'description': 'Continuous VA after applying derating factor. The inverter must be rated at or above this value.'}, 'efficiency_loss_watts': {'type': 'number', 'description': 'Power lost to inverter inefficiency at continuous load, in watts.'}, 'recommended_size_watts': {'type': 'number', 'description': 'Nearest standard inverter size (watts) that meets the derated requirement.'}, 'required_continuous_va': {'type': 'number', 'description': 'Required continuous VA rating accounting for power factor: continuous_watts / power_factor.'}, 'dc_current_continuous_a': {'type': 'number', 'description': 'Continuous DC input current draw at system voltage: VA / (voltage * efficiency). Sizes the DC wiring and fuses.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['inductance_h', 'capacitance_f'], 'properties': {'inductance_h': {'type': 'number', 'description': 'Inductance in henries (H). The inductive element of the LC circuit.', 'exclusiveMinimum': 0}, 'capacitance_f': {'type': 'number', 'description': 'Capacitance in farads (F). The capacitive element of the LC circuit.', 'exclusiveMinimum': 0}, 'resistance_ohm': {'type': 'number', 'description': 'Optional series resistance in ohms for Q factor and bandwidth calculation. Omit for ideal LC analysis.', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['resonant_freq_hz', 'resonant_freq_mhz', 'angular_freq_rad', 'impedance_at_resonance_ohm', 'q_factor', 'bandwidth_hz'], 'properties': {'q_factor': {'type': ['number', 'null'], 'description': 'Quality factor Q = (1/R)*sqrt(L/C). Null if no resistance provided.'}, 'bandwidth_hz': {'type': ['number', 'null'], 'description': '3 dB bandwidth in hertz (f0/Q). Null if no resistance provided.'}, 'angular_freq_rad': {'type': 'number', 'description': 'Angular resonant frequency in radians per second (omega_0 = 2*pi*f0).'}, 'resonant_freq_hz': {'type': 'number', 'description': 'Resonant frequency in hertz.'}, 'resonant_freq_mhz': {'type': 'number', 'description': 'Resonant frequency in megahertz for convenience.'}, 'impedance_at_resonance_ohm': {'type': ['number', 'null'], 'description': 'Impedance at resonance in ohms. Equals the series resistance R if provided; null if ideal (no R).'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['supply_voltage_v'], 'properties': {'led_count': {'type': 'integer', 'default': 1, 'description': 'Number of LEDs in series. Defaults to 1.', 'exclusiveMinimum': 0}, 'led_forward_v': {'type': 'number', 'default': 2, 'description': 'LED forward voltage in volts (V). Defaults to 2.0V (typical red LED).', 'exclusiveMinimum': 0}, 'led_current_ma': {'type': 'number', 'default': 20, 'description': 'Desired LED current in milliamps (mA). Defaults to 20mA.', 'exclusiveMinimum': 0}, 'supply_voltage_v': {'type': 'number', 'description': 'Supply voltage in volts (V). Must be positive.', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['resistance_ohm', 'nearest_e24_ohm', 'power_dissipation_mw', 'actual_current_ma', 'voltage_across_resistor_v'], 'properties': {'resistance_ohm': {'type': 'number', 'description': 'Exact calculated resistance in ohms.'}, 'nearest_e24_ohm': {'type': 'number', 'description': 'Nearest standard E24 series resistor value in ohms.'}, 'actual_current_ma': {'type': 'number', 'description': 'Actual LED current in milliamps (mA) when using the nearest E24 resistor.'}, 'power_dissipation_mw': {'type': 'number', 'description': 'Power dissipated by the resistor in milliwatts (mW), using the E24 value.'}, 'voltage_across_resistor_v': {'type': 'number', 'description': 'Voltage drop across the current-limiting resistor in volts.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['tx_dbm', 'freq_mhz', 'dist_km'], 'properties': {'tx_dbm': {'type': 'number', 'description': 'Transmitter output power in dBm'}, 'dist_km': {'type': 'number', 'description': 'Link distance in kilometres', 'exclusiveMinimum': 0}, 'freq_mhz': {'type': 'number', 'description': 'Carrier frequency in megahertz (MHz)', 'exclusiveMinimum': 0}, 'rx_gain_dbi': {'type': 'number', 'default': 2.15, 'description': 'Receive antenna gain in dBi (default 2.15 for a half-wave dipole)'}, 'tx_gain_dbi': {'type': 'number', 'default': 2.15, 'description': 'Transmit antenna gain in dBi (default 2.15 for a half-wave dipole)'}, 'rx_sensitivity_dbm': {'type': 'number', 'description': 'Receiver sensitivity in dBm; when provided, link margin is calculated'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['fspl_db', 'eirp_dbm', 'rx_power_dbm', 'margin_db', 'wavelength_m'], 'properties': {'fspl_db': {'type': 'number', 'description': 'Free-space path loss in dB'}, 'eirp_dbm': {'type': 'number', 'description': 'Effective isotropic radiated power in dBm'}, 'margin_db': {'type': ['number', 'null'], 'description': 'Link margin in dB (null when sensitivity is not provided)'}, 'rx_power_dbm': {'type': 'number', 'description': 'Received signal power in dBm'}, 'wavelength_m': {'type': 'number', 'description': 'RF wavelength in metres'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['principal', 'annual_rate_pct', 'term_months'], 'properties': {'principal': {'type': 'number', 'description': 'Loan principal amount in dollars (or any currency unit).', 'exclusiveMinimum': 0}, 'term_months': {'type': 'integer', 'maximum': 600, 'description': 'Loan term in months. Max 600 (50 years). Common values: 360 (30yr), 180 (15yr), 60 (5yr auto).', 'exclusiveMinimum': 0}, 'extra_payment': {'type': 'number', 'default': 0, 'minimum': 0, 'description': 'Optional fixed extra monthly payment toward principal. Defaults to 0.'}, 'annual_rate_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Annual interest rate as a percentage (e.g., 6.5 for 6.5%).'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['monthly_payment', 'total_payments', 'total_interest', 'total_extra_paid', 'payoff_months', 'interest_saved', 'schedule'], 'properties': {'schedule': {'type': 'array', 'items': {'type': 'object', 'required': ['month', 'payment', 'principal_paid', 'interest_paid', 'extra_paid', 'remaining_balance'], 'properties': {'month': {'type': 'number', 'description': 'Payment number (1-based).'}, 'payment': {'type': 'number', 'description': 'Total payment this month.'}, 'extra_paid': {'type': 'number', 'description': 'Extra payment applied this month.'}, 'interest_paid': {'type': 'number', 'description': 'Portion of payment applied to interest.'}, 'principal_paid': {'type': 'number', 'description': 'Portion of payment applied to principal.'}, 'remaining_balance': {'type': 'number', 'description': 'Outstanding balance after this payment.'}}, 'additionalProperties': False}, 'description': 'Month-by-month amortization schedule.'}, 'payoff_months': {'type': 'number', 'description': 'Actual number of months to pay off (may be less than term with extra payments).'}, 'interest_saved': {'type': 'number', 'description': 'Interest saved by extra payments vs. full term. 0 if no extra payments.'}, 'total_interest': {'type': 'number', 'description': 'Total interest paid over the life of the loan.'}, 'total_payments': {'type': 'number', 'description': 'Sum of all payments over the life of the loan.'}, 'monthly_payment': {'type': 'number', 'description': 'Fixed monthly payment (excluding extra payments).'}, 'total_extra_paid': {'type': 'number', 'description': 'Total extra payments made.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['value'], 'properties': {'base': {'type': 'number', 'default': 10, 'description': 'The logarithm base (default 10). Must be positive and not equal to 1', 'exclusiveMinimum': 0}, 'value': {'type': 'number', 'description': 'The positive number to compute the logarithm of', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['result', 'natural_log', 'log10', 'log2'], 'properties': {'log2': {'type': 'number', 'description': 'Binary logarithm (base 2) of the value'}, 'log10': {'type': 'number', 'description': 'Common logarithm (base 10) of the value'}, 'result': {'type': 'number', 'description': 'Logarithm of the value in the specified base: log_base(value)'}, 'natural_log': {'type': 'number', 'description': 'Natural logarithm (ln) of the value'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['payload_bytes'], 'properties': {'cr': {'type': 'integer', 'default': 5, 'maximum': 8, 'minimum': 5, 'description': 'LoRa coding rate denominator (5-8). Represents 4/5 through 4/8 FEC ratio.'}, 'sf': {'type': 'integer', 'default': 10, 'maximum': 12, 'minimum': 7, 'description': 'LoRa spreading factor (7-12). Higher SF = longer range but slower data rate.'}, 'crc': {'type': 'boolean', 'default': True, 'description': 'Whether CRC is appended to payload. Recommended true for reliability.'}, 'bw_khz': {'enum': [125, 250, 500], 'type': 'number', 'default': 125, 'description': 'LoRa channel bandwidth in kHz. Common values: 125, 250, or 500.'}, 'payload_bytes': {'type': 'integer', 'maximum': 255, 'minimum': 0, 'description': 'Application payload size in bytes (0-255).'}, 'explicit_header': {'type': 'boolean', 'default': True, 'description': 'Whether to use explicit header mode. True for LoRaWAN; false for implicit header.'}, 'preamble_symbols': {'type': 'integer', 'default': 8, 'maximum': 65535, 'minimum': 6, 'description': 'Number of preamble symbols. LoRaWAN uses 8; raw LoRa may vary.'}, 'low_data_rate_optimize': {'type': 'boolean', 'description': 'Enable low data rate optimization. Auto-calculated if omitted: enabled for SF >= 11 at BW 125 kHz.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['airtime_ms', 'symbol_time_ms', 'preamble_time_ms', 'payload_symbols', 'data_rate_bps', 'duty_cycle_1pct_interval_s'], 'properties': {'airtime_ms': {'type': 'number', 'description': 'Total packet time-on-air in milliseconds.'}, 'data_rate_bps': {'type': 'number', 'description': 'Effective data rate in bits per second.'}, 'symbol_time_ms': {'type': 'number', 'description': 'Duration of a single LoRa symbol in milliseconds.'}, 'payload_symbols': {'type': 'integer', 'description': 'Number of symbols used for the payload + header portion.'}, 'preamble_time_ms': {'type': 'number', 'description': 'Preamble duration in milliseconds (includes 4.25 sync symbols).'}, 'duty_cycle_1pct_interval_s': {'type': 'number', 'description': 'Minimum interval between transmissions in seconds to respect 1% duty cycle regulation.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['target_range_km'], 'properties': {'region': {'enum': ['US915', 'EU868', 'AU915', 'AS923'], 'type': 'string', 'default': 'US915', 'description': 'Regulatory region. Determines max TX power and duty cycle limit.'}, 'terrain': {'enum': ['open', 'suburban', 'urban', 'dense_urban', 'indoor'], 'type': 'string', 'default': 'suburban', 'description': 'Terrain type for path loss model. open: line-of-sight, suburban: light buildings, urban: moderate buildings, dense_urban: city center, indoor: inside buildings.'}, 'priority': {'enum': ['range', 'speed', 'battery', 'balanced'], 'type': 'string', 'default': 'balanced', 'description': 'Optimization priority. range: maximize distance (high SF, low BW). speed: minimize airtime (low SF, high BW). battery: minimize power draw. balanced: best trade-off across all factors.'}, 'target_range_km': {'type': 'number', 'description': 'Desired communication range in kilometers.', 'exclusiveMinimum': 0}, 'antenna_gain_dbi': {'type': 'number', 'default': 2.15, 'description': 'Antenna gain in dBi. 2.15 = half-wave dipole reference.'}, 'max_payload_bytes': {'type': 'integer', 'default': 200, 'maximum': 255, 'minimum': 1, 'description': 'Maximum payload size in bytes for airtime calculation.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['recommended_sf', 'recommended_bw_khz', 'recommended_tx_dbm', 'estimated_range_km', 'airtime_ms', 'messages_per_hour_limit', 'estimated_battery_hours', 'data_rate_bps'], 'properties': {'airtime_ms': {'type': 'number', 'description': 'Packet airtime in milliseconds for the given payload.'}, 'data_rate_bps': {'type': 'number', 'description': 'Effective data rate in bits per second.'}, 'recommended_sf': {'type': 'integer', 'description': 'Recommended spreading factor (7-12).'}, 'estimated_range_km': {'type': 'number', 'description': 'Estimated achievable range in km with the recommended parameters.'}, 'recommended_bw_khz': {'type': 'number', 'description': 'Recommended bandwidth in kHz (125, 250, or 500).'}, 'recommended_tx_dbm': {'type': 'number', 'description': 'Recommended transmit power in dBm.'}, 'estimated_battery_hours': {'type': 'number', 'description': 'Estimated battery life in hours with a 3000 mAh reference battery.'}, 'messages_per_hour_limit': {'type': 'integer', 'description': 'Maximum messages per hour under regional duty cycle constraint.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'tx_dbm': {'type': 'number', 'default': 20, 'description': 'Transmit power in dBm. Typical LoRa: 14-30 dBm depending on region and module.'}, 'terrain': {'enum': ['open', 'suburban', 'urban', 'dense_urban', 'indoor'], 'type': 'string', 'default': 'suburban', 'description': 'Terrain type for path loss correction. open: line-of-sight, suburban: light buildings, urban: moderate buildings, dense_urban: city center, indoor: inside buildings.'}, 'freq_mhz': {'type': 'number', 'default': 915, 'description': 'Carrier frequency in MHz. Common: 868 (EU), 915 (US/AU), 433 (Asia).'}, 'rx_gain_dbi': {'type': 'number', 'default': 2.15, 'description': 'Receive antenna gain in dBi. 2.15 dBi = half-wave dipole.'}, 'tx_gain_dbi': {'type': 'number', 'default': 2.15, 'description': 'Transmit antenna gain in dBi. 2.15 dBi = half-wave dipole.'}, 'rx_sensitivity_dbm': {'type': 'number', 'default': -130, 'description': 'Receiver sensitivity in dBm. Typical LoRa SF10/BW125: -130 dBm. Varies by SF and bandwidth.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['max_range_km', 'margin_at_1km_db', 'effective_path_loss_db'], 'properties': {'max_range_km': {'type': 'number', 'description': 'Estimated maximum range in kilometers accounting for terrain correction.'}, 'margin_at_1km_db': {'type': 'number', 'description': 'Link margin at 1 km distance in dB. Positive means signal above sensitivity.'}, 'effective_path_loss_db': {'type': 'number', 'description': 'Maximum allowable path loss in dB (link budget minus terrain correction).'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'sf': {'type': 'integer', 'default': 10, 'maximum': 12, 'minimum': 7, 'description': 'LoRa spreading factor (7-12). Higher SF = better sensitivity but slower data rate.'}, 'bw_khz': {'enum': [125, 250, 500], 'type': 'number', 'default': 125, 'description': 'LoRa channel bandwidth in kHz. Lower bandwidth = better sensitivity.'}, 'noise_figure_db': {'type': 'number', 'default': 6, 'description': 'Receiver noise figure in dB. Typical LoRa radio NF is 6 dB (SX1276).'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['sensitivity_dbm', 'noise_floor_dbm', 'required_snr_db', 'thermal_noise_dbm'], 'properties': {'noise_floor_dbm': {'type': 'number', 'description': 'Receiver noise floor in dBm, computed from thermal noise, bandwidth, and noise figure.'}, 'required_snr_db': {'type': 'number', 'description': 'Minimum SNR required for LoRa demodulation at the given spreading factor.'}, 'sensitivity_dbm': {'type': 'number', 'description': 'Receiver sensitivity in dBm. The minimum signal power for successful demodulation.'}, 'thermal_noise_dbm': {'type': 'number', 'description': 'Thermal noise power density at room temperature: -174 dBm/Hz.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['capacity_mah', 'voltage_v'], 'properties': {'voltage_v': {'type': 'number', 'description': 'Nominal battery voltage (V)', 'exclusiveMinimum': 0}, 'capacity_mah': {'type': 'number', 'description': 'Battery capacity in milliamp-hours (mAh)', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['wh', 'kwh', 'joules', 'mah', 'voltage_v'], 'properties': {'wh': {'type': 'number', 'description': 'Energy in watt-hours'}, 'kwh': {'type': 'number', 'description': 'Energy in kilowatt-hours'}, 'mah': {'type': 'number', 'description': 'Input capacity echoed back (mAh)'}, 'joules': {'type': 'number', 'description': 'Energy in joules'}, 'voltage_v': {'type': 'number', 'description': 'Input voltage echoed back (V)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'role': {'enum': ['client', 'router', 'repeater', 'client_muted'], 'type': 'string', 'default': 'client', 'description': 'Meshtastic node role. client: sleeps between events. router: always listening. repeater: always listening, no display/BLE. client_muted: aggressive sleep.'}, 'device': {'enum': ['heltec_v3', 'rak_wisblock', 'tbeam', 'tbeam_supreme', 'station_g2', 'custom'], 'type': 'string', 'default': 'heltec_v3', 'description': 'Meshtastic hardware device. Selects power consumption profile for sleep, RX, TX, GPS, and BLE.'}, 'battery_mah': {'type': 'number', 'default': 3000, 'description': 'Battery capacity in milliamp-hours. Common: 1100 (18650 min), 3000 (typical), 6000 (large).', 'exclusiveMinimum': 0}, 'gps_enabled': {'type': 'boolean', 'default': False, 'description': 'Whether GPS is enabled. Significantly increases power draw on devices with built-in GPS.'}, 'channel_preset': {'enum': ['long_fast', 'long_moderate', 'long_slow', 'very_long_slow', 'medium_fast', 'medium_slow', 'short_fast', 'short_slow'], 'type': 'string', 'default': 'long_fast', 'description': 'Meshtastic channel preset. Affects TX airtime per message and thus power consumption.'}, 'battery_voltage': {'type': 'number', 'default': 3.7, 'description': 'Nominal battery voltage. 3.7V for single-cell LiPo/Li-ion, 7.4V for 2S packs.', 'exclusiveMinimum': 0}, 'bluetooth_enabled': {'type': 'boolean', 'default': True, 'description': 'Whether Bluetooth is enabled for phone connection.'}, 'messages_per_hour': {'type': 'number', 'default': 2, 'minimum': 0, 'description': 'Expected messages sent and received per hour. Includes both TX and RX message events.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['avg_current_ma', 'runtime_hours', 'runtime_days', 'daily_wh', 'tx_time_pct', 'rx_time_pct', 'sleep_time_pct'], 'properties': {'daily_wh': {'type': 'number', 'description': 'Estimated daily energy consumption in watt-hours.'}, 'rx_time_pct': {'type': 'number', 'description': 'Percentage of time spent in receive mode (radio listening).'}, 'tx_time_pct': {'type': 'number', 'description': 'Percentage of time spent transmitting.'}, 'runtime_days': {'type': 'number', 'description': 'Estimated battery runtime in days.'}, 'runtime_hours': {'type': 'number', 'description': 'Estimated battery runtime in hours.'}, 'avg_current_ma': {'type': 'number', 'description': 'Estimated average current draw in milliamps.'}, 'sleep_time_pct': {'type': 'number', 'description': 'Percentage of time spent in sleep/low-power mode.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'cr': {'type': 'integer', 'maximum': 8, 'minimum': 5, 'description': "Custom coding rate denominator (5-8). Only used when channel_preset is 'custom'."}, 'sf': {'type': 'integer', 'maximum': 12, 'minimum': 7, 'description': "Custom spreading factor (7-12). Only used when channel_preset is 'custom'."}, 'bw_khz': {'type': 'number', 'description': "Custom bandwidth in kHz. Only used when channel_preset is 'custom'."}, 'device': {'enum': ['heltec_v3', 'rak_wisblock', 'tbeam', 'tbeam_supreme', 'station_g2', 'custom'], 'type': 'string', 'default': 'heltec_v3', 'description': "Meshtastic hardware device. Selects default TX power, antenna gain, and noise figure. Use 'custom' to override all radio parameters manually."}, 'terrain': {'enum': ['open', 'suburban', 'urban', 'dense_urban', 'indoor'], 'type': 'string', 'default': 'suburban', 'description': 'Terrain type for path loss correction. open: line-of-sight, suburban: light buildings, urban: moderate buildings, dense_urban: city center, indoor: inside buildings.'}, 'tx_power_dbm': {'type': 'number', 'description': 'Override device default transmit power in dBm.'}, 'channel_preset': {'enum': ['long_fast', 'long_moderate', 'long_slow', 'very_long_slow', 'medium_fast', 'medium_slow', 'short_fast', 'short_slow', 'custom'], 'type': 'string', 'default': 'long_fast', 'description': 'Meshtastic firmware channel preset. Selects spreading factor, bandwidth, and coding rate. long_fast is the default; very_long_slow maximizes range at the cost of throughput.'}, 'antenna_gain_dbi': {'type': 'number', 'description': 'Override device default antenna gain in dBi. Useful for aftermarket antennas.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['max_range_km', 'rx_sensitivity_dbm', 'link_budget_db', 'device_name', 'channel_name', 'effective_sf', 'effective_bw_khz', 'tx_power_dbm', 'antenna_gain_dbi'], 'properties': {'device_name': {'type': 'string', 'description': 'Human-readable device name.'}, 'channel_name': {'type': 'string', 'description': 'Human-readable channel preset name.'}, 'effective_sf': {'type': 'number', 'description': 'Spreading factor used for the calculation.'}, 'max_range_km': {'type': 'number', 'description': 'Estimated maximum range in km accounting for terrain correction.'}, 'tx_power_dbm': {'type': 'number', 'description': 'Transmit power in dBm used for the calculation.'}, 'link_budget_db': {'type': 'number', 'description': 'Total link budget in dB before terrain correction.'}, 'antenna_gain_dbi': {'type': 'number', 'description': 'Antenna gain in dBi used for the calculation.'}, 'effective_bw_khz': {'type': 'number', 'description': 'Bandwidth in kHz used for the calculation.'}, 'rx_sensitivity_dbm': {'type': 'number', 'description': 'Receiver sensitivity in dBm for the selected channel preset.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['height_mm'], 'properties': {'er': {'type': 'number', 'default': 4.6, 'description': 'Substrate relative dielectric constant (default 4.6 for FR-4)', 'exclusiveMinimum': 0}, 'z0_ohm': {'type': 'number', 'default': 50, 'description': 'Target characteristic impedance in ohms (default 50)', 'exclusiveMinimum': 0}, 'freq_mhz': {'type': 'number', 'description': 'Optional frequency in MHz for effective wavelength calculation', 'exclusiveMinimum': 0}, 'copper_oz': {'type': 'number', 'default': 1, 'description': 'Copper weight in oz/ft2 (1 oz = 0.035 mm thickness)', 'exclusiveMinimum': 0}, 'height_mm': {'type': 'number', 'description': 'Substrate height (dielectric thickness) in millimetres', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['width_mm', 'er_eff', 'wavelength_eff_mm'], 'properties': {'er_eff': {'type': 'number', 'description': 'Effective dielectric constant of the microstrip'}, 'width_mm': {'type': 'number', 'description': 'Required trace width in millimetres'}, 'wavelength_eff_mm': {'type': ['number', 'null'], 'description': 'Effective wavelength in millimetres at the given frequency (null if freq not provided)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['link_speed_gbps'], 'properties': {'link_speed_gbps': {'type': 'number', 'description': 'Network link speed in gigabits per second (e.g. 1, 2.5, 5, 10, 25, 40, 100)', 'exclusiveMinimum': 0}, 'concurrent_streams': {'type': 'integer', 'default': 1, 'description': 'Number of concurrent data streams / transfers', 'exclusiveMinimum': 0}, 'protocol_overhead_pct': {'type': 'number', 'default': 3, 'maximum': 50, 'minimum': 0, 'description': 'TCP/IP protocol overhead as a percentage (typically 3-5% for TCP, ~1% for UDP)'}, 'stream_bandwidth_mbps': {'type': 'number', 'default': 100, 'description': 'Bandwidth required per stream in megabits per second', 'exclusiveMinimum': 0}, 'storage_throughput_mbps': {'type': 'number', 'description': 'Maximum storage read/write throughput in megabits per second. If provided, checks whether storage is the bottleneck', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['effective_bandwidth_mbps', 'required_bandwidth_mbps', 'utilization_pct', 'headroom_mbps', 'saturated', 'bottleneck', 'time_to_transfer_1tb_hours', 'recommended_link_speed_gbps'], 'properties': {'saturated': {'type': 'boolean', 'description': 'True if utilization exceeds 80% â\x80\x94 link is effectively saturated'}, 'bottleneck': {'type': 'string', 'description': "Identified bottleneck: 'storage', 'network', or 'none'"}, 'headroom_mbps': {'type': 'number', 'description': 'Remaining bandwidth after all streams (negative means oversubscribed)'}, 'utilization_pct': {'type': 'number', 'description': 'Percentage of effective bandwidth used by all streams'}, 'required_bandwidth_mbps': {'type': 'number', 'description': 'Total bandwidth required by all streams in Mbps'}, 'effective_bandwidth_mbps': {'type': 'number', 'description': 'Usable bandwidth after protocol overhead in Mbps'}, 'time_to_transfer_1tb_hours': {'type': 'number', 'description': 'Time to transfer 1 TB over the effective bandwidth, in hours'}, 'recommended_link_speed_gbps': {'type': ['number', 'null'], 'description': 'Suggested next link speed upgrade if saturated, null if current link is sufficient'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['stages'], 'properties': {'stages': {'type': 'array', 'items': {'type': 'object', 'required': ['nf_db', 'gain_db'], 'properties': {'nf_db': {'type': 'number', 'description': 'Noise figure of the stage in dB'}, 'gain_db': {'type': 'number', 'description': 'Gain of the stage in dB'}}, 'additionalProperties': False}, 'minItems': 1, 'description': 'Ordered array of receiver chain stages, each with nf_db and gain_db'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['total_nf_db', 'total_gain_db', 'noise_temp_k'], 'properties': {'total_nf_db': {'type': 'number', 'description': 'Total cascaded noise figure in dB'}, 'noise_temp_k': {'type': 'number', 'description': 'Equivalent noise temperature in kelvin (T0 = 290 K)'}, 'total_gain_db': {'type': 'number', 'description': 'Total gain of the chain in dB'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'power_w': {'type': 'number', 'description': 'Power in watts (W). Provide exactly 2 of the 4 parameters.', 'exclusiveMinimum': 0}, 'current_a': {'type': 'number', 'description': 'Current in amps (A). Provide exactly 2 of the 4 parameters.', 'exclusiveMinimum': 0}, 'voltage_v': {'type': 'number', 'description': 'Voltage in volts (V). Provide exactly 2 of the 4 parameters.', 'exclusiveMinimum': 0}, 'resistance_ohm': {'type': 'number', 'description': 'Resistance in ohms. Provide exactly 2 of the 4 parameters.', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['voltage_v', 'current_a', 'resistance_ohm', 'power_w'], 'properties': {'power_w': {'type': 'number', 'description': 'Power in watts (W).'}, 'current_a': {'type': 'number', 'description': 'Current in amps (A).'}, 'voltage_v': {'type': 'number', 'description': 'Voltage in volts (V).'}, 'resistance_ohm': {'type': 'number', 'description': 'Resistance in ohms.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['topology', 'rf_ohm', 'ri_ohm'], 'properties': {'vin_v': {'type': 'number', 'description': 'Input voltage in volts (optional). When provided, computes actual output voltage. For differential topology, this is V1 (non-inverting input).'}, 'rf_ohm': {'type': 'number', 'description': 'Feedback resistor Rf in ohms. Sets gain magnitude in all topologies.', 'exclusiveMinimum': 0}, 'ri_ohm': {'type': 'number', 'description': 'Input/gain resistor in ohms. For inverting: input resistor Ri. For non-inverting: ground resistor Rg. For differential: input resistor on both channels.', 'exclusiveMinimum': 0}, 'vin2_v': {'type': 'number', 'description': 'Second input voltage in volts (differential topology only). This is V2 (inverting input).'}, 'topology': {'enum': ['inverting', 'non_inverting', 'differential'], 'type': 'string', 'description': "Op-amp circuit topology. 'inverting' uses Rf/Ri feedback with input to inverting terminal. 'non_inverting' applies input to non-inverting terminal with Rf/Rg feedback. 'differential' amplifies the voltage difference between two inputs."}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['topology', 'gain', 'gain_abs', 'gain_db', 'vout_v', 'input_impedance_ohm', 'rf_ohm', 'ri_ohm', 'phase_inversion'], 'properties': {'gain': {'type': 'number', 'description': 'Voltage gain (Av). Negative for inverting topology.'}, 'rf_ohm': {'type': 'number', 'description': 'Feedback resistor value used in ohms.'}, 'ri_ohm': {'type': 'number', 'description': 'Input/gain resistor value used in ohms.'}, 'vout_v': {'type': ['number', 'null'], 'description': 'Output voltage in volts (null if no input voltage provided).'}, 'gain_db': {'type': 'number', 'description': 'Gain in decibels: 20 * log10(|Av|).'}, 'gain_abs': {'type': 'number', 'description': 'Absolute value of voltage gain.'}, 'topology': {'type': 'string', 'description': 'Op-amp topology used.'}, 'phase_inversion': {'type': 'boolean', 'description': 'True if the output is phase-inverted relative to the input.'}, 'input_impedance_ohm': {'type': 'number', 'description': 'Input impedance in ohms. Inverting: Ri. Non-inverting: very high (returned as 1e12). Differential: Ri.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['netlist'], 'properties': {'board': {'type': 'object', 'required': ['w', 'h'], 'properties': {'h': {'type': 'number'}, 'w': {'type': 'number'}}, 'description': 'Optional board size in mm; auto-sized if omitted', 'additionalProperties': False}, 'gerber': {'type': 'boolean', 'default': False, 'description': 'Also return Gerber RS-274X + Excellon drill files'}, 'netlist': {'type': 'string', 'minLength': 5, 'description': 'SPICE netlist (same format as spice_simulate). Components + nets are extracted; .model/.tran/etc. ignored.'}, 'gnd_pour': {'type': 'boolean', 'default': False, 'description': 'Treat GND as a bottom-layer pour (unions all GND pads for ERC)'}, 'placement': {'type': 'array', 'items': {'type': 'object', 'required': ['ref', 'x', 'y'], 'properties': {'x': {'type': 'number', 'description': 'X position of component center in mm'}, 'y': {'type': 'number', 'description': 'Y position in mm'}, 'ref': {'type': 'string', 'description': "Component reference (e.g. 'Q1')"}, 'rot': {'type': 'number', 'description': 'Rotation in degrees (0/90/180/270)'}}, 'additionalProperties': False}, 'description': 'Optional manual placement; omit for connectivity-aware auto-placement (best of N seeds).'}, 'clearance_mm': {'type': 'number', 'default': 0.2, 'description': 'Minimum copper clearance in mm'}, 'trace_width_mm': {'type': 'number', 'default': 0.25, 'description': 'Routing trace width in mm'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['manufacturable', 'warnings'], 'properties': {'drc': {}, 'erc': {}, 'nets': {}, 'board': {}, 'gerber': {}, 'routing': {}, 'warnings': {'type': 'array', 'items': {'type': 'string'}}, 'components': {}, 'layers_svg': {}, 'manufacturable': {'type': 'boolean'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['board_length_m', 'board_width_m', 'components'], 'properties': {'components': {'type': 'array', 'items': {'type': 'object', 'required': ['x_m', 'y_m', 'footprint', 'tdp_w'], 'properties': {'x_m': {'type': 'number', 'minimum': 0, 'description': 'X position on board in metres'}, 'y_m': {'type': 'number', 'minimum': 0, 'description': 'Y position on board in metres'}, 'label': {'type': 'string', 'description': "Component label (e.g. 'U1', 'CPU')"}, 'tdp_w': {'type': 'number', 'description': 'Thermal design power in watts', 'exclusiveMinimum': 0}, 'footprint': {'type': 'string', 'description': 'Package footprint (e.g. QFP-48, BGA-256, SOT-23, TO-220)'}, 'max_junction_temp_c': {'type': 'number', 'description': 'Maximum junction temperature (°C) for violation checking'}}, 'additionalProperties': False}, 'minItems': 1, 'description': 'Components on the board'}, 'mesh_density': {'enum': ['coarse', 'medium', 'fine'], 'type': 'string', 'default': 'medium', 'description': 'Mesh density'}, 'board_width_m': {'type': 'number', 'maximum': 0.5, 'description': 'Board width in metres', 'exclusiveMinimum': 0}, 'ambient_temp_c': {'type': 'number', 'default': 25, 'description': 'Ambient temperature in Celsius'}, 'board_length_m': {'type': 'number', 'maximum': 0.5, 'description': 'Board length in metres', 'exclusiveMinimum': 0}, 'board_thickness_m': {'type': 'number', 'default': 0.0016, 'description': 'Board thickness in metres (default 1.6mm FR4)', 'exclusiveMinimum': 0}, 'airflow_velocity_ms': {'type': 'number', 'default': 0, 'minimum': 0, 'description': 'Airflow velocity in m/s (0 = natural convection)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['max_board_temp_c', 'avg_board_temp_c', 'component_temps', 'total_heat_w', 'violations', 'mesh_cells', 'runtime_ms', 'warnings'], 'properties': {'warnings': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Solver warnings'}, 'mesh_cells': {'type': 'number', 'description': 'Mesh cell count'}, 'runtime_ms': {'type': 'number', 'description': 'Simulation time in ms'}, 'violations': {'type': 'number', 'description': 'Number of components exceeding thermal limits'}, 'total_heat_w': {'type': 'number', 'description': 'Total heat dissipation (W)'}, 'component_temps': {'type': 'array', 'items': {'type': 'object', 'required': ['label', 'junction_temp_c', 'case_temp_c', 'violation'], 'properties': {'label': {'type': 'string', 'description': 'Component label'}, 'violation': {'type': 'boolean', 'description': 'True if junction temp exceeds max_junction_temp_c'}, 'case_temp_c': {'type': 'number', 'description': 'Case/surface temperature (°C)'}, 'junction_temp_c': {'type': 'number', 'description': 'Estimated junction temperature (°C)'}}, 'additionalProperties': False}, 'description': 'Per-component thermal results'}, 'avg_board_temp_c': {'type': 'number', 'description': 'Average board temperature (°C)'}, 'max_board_temp_c': {'type': 'number', 'description': 'Maximum board surface temperature (°C)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'temp_rise_c': {'type': 'number', 'default': 10, 'description': 'Allowable temperature rise above ambient in degrees Celsius. IPC-2221 standard uses 10, 20, or 30 C.', 'exclusiveMinimum': 0}, 'target_current_a': {'type': 'number', 'description': 'Optional target current in amperes. When provided, calculates how many parallel vias are needed to carry this current safely.', 'exclusiveMinimum': 0}, 'drill_diameter_mm': {'type': 'number', 'default': 0.3, 'description': 'Via drill hole diameter in millimeters. Common values: 0.2 (microvia), 0.3 (standard), 0.4, 0.6, 0.8, 1.0.', 'exclusiveMinimum': 0}, 'board_thickness_mm': {'type': 'number', 'default': 1.6, 'description': 'Total PCB board thickness in millimeters. Standard 2-layer is 1.6 mm. Common values: 0.8, 1.0, 1.6, 2.0, 2.4.', 'exclusiveMinimum': 0}, 'plating_thickness_um': {'type': 'number', 'default': 25, 'description': 'Copper plating thickness on the via barrel wall in micrometers. Standard is 25 um (IPC Class 2). Heavy plating is 50 um (IPC Class 3).', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['max_current_a', 'cross_section_mil2', 'cross_section_mm2', 'resistance_mohm', 'voltage_drop_mv', 'power_dissipation_mw', 'vias_needed'], 'properties': {'vias_needed': {'type': ['number', 'null'], 'description': 'Number of parallel vias needed for the target current. Null if no target_current_a was provided.'}, 'max_current_a': {'type': 'number', 'description': 'Maximum current capacity of a single via at the specified temperature rise, in amperes.'}, 'resistance_mohm': {'type': 'number', 'description': 'DC resistance of the via barrel in milliohms, calculated from copper resistivity and barrel length.'}, 'voltage_drop_mv': {'type': 'number', 'description': 'Voltage drop across the via at maximum rated current in millivolts.'}, 'cross_section_mm2': {'type': 'number', 'description': 'Copper cross-sectional area of the via barrel annulus in square millimeters.'}, 'cross_section_mil2': {'type': 'number', 'description': 'Copper cross-sectional area of the via barrel annulus in square mils.'}, 'power_dissipation_mw': {'type': 'number', 'description': 'Power dissipated in the via at maximum rated current in milliwatts.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['value', 'total'], 'properties': {'total': {'type': 'number', 'description': 'The whole or denominator value (must not be zero)'}, 'value': {'type': 'number', 'description': 'The part or numerator value'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['percentage', 'decimal', 'fraction_simplified'], 'properties': {'decimal': {'type': 'number', 'description': 'The decimal form (e.g. 0.75)'}, 'percentage': {'type': 'number', 'description': 'The percentage value (e.g. 75 for 75%)'}, 'fraction_simplified': {'type': 'string', 'description': "Simplified fraction as a string (e.g. '3/4')"}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['old_value', 'new_value'], 'properties': {'new_value': {'type': 'number', 'description': 'The new or ending value'}, 'old_value': {'type': 'number', 'description': 'The original or starting value'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['change', 'percentage_change', 'is_increase', 'absolute_change'], 'properties': {'change': {'type': 'number', 'description': 'The signed difference (new_value - old_value)'}, 'is_increase': {'type': 'boolean', 'description': 'True if new_value > old_value, false otherwise'}, 'absolute_change': {'type': 'number', 'description': 'Absolute value of the change'}, 'percentage_change': {'type': 'number', 'description': 'Percentage change from old to new value'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['devices'], 'properties': {'pue': {'type': 'number', 'default': 1.2, 'minimum': 1, 'description': 'Power Usage Effectiveness â\x80\x94 ratio of total facility power to IT equipment power. 1.0 means no cooling overhead, 1.2 is typical for a home server closet, 1.5+ for poorly ventilated spaces'}, 'devices': {'type': 'array', 'items': {'type': 'object', 'required': ['watts'], 'properties': {'name': {'type': 'string', 'description': "Optional label for the device (e.g. 'Dell R730')"}, 'watts': {'type': 'number', 'description': 'Power draw of the device in watts', 'exclusiveMinimum': 0}}, 'additionalProperties': False}, 'minItems': 1, 'description': 'List of devices with their wattage'}, 'hours_per_day': {'type': 'number', 'default': 24, 'maximum': 24, 'minimum': 0, 'description': 'Hours per day the devices are running'}, 'kwh_rate_cents': {'type': 'number', 'default': 12, 'description': 'Electricity cost in cents per kilowatt-hour', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['total_watts', 'total_with_pue_watts', 'daily_kwh', 'monthly_kwh', 'yearly_kwh', 'monthly_cost_usd', 'yearly_cost_usd', 'amps_at_120v', 'amps_at_240v', 'breaker_15a_pct'], 'properties': {'daily_kwh': {'type': 'number', 'description': 'Daily energy consumption in kilowatt-hours'}, 'yearly_kwh': {'type': 'number', 'description': 'Yearly energy consumption in kilowatt-hours (365.25 day average)'}, 'monthly_kwh': {'type': 'number', 'description': 'Monthly energy consumption in kilowatt-hours (30.44 day average)'}, 'total_watts': {'type': 'number', 'description': 'Sum of all device wattages before PUE adjustment'}, 'amps_at_120v': {'type': 'number', 'description': 'Current draw at 120V (typical North American outlet)'}, 'amps_at_240v': {'type': 'number', 'description': 'Current draw at 240V (typical European / high-power outlet)'}, 'breaker_15a_pct': {'type': 'number', 'description': 'Percentage of a 15A / 120V circuit used. NEC requires continuous loads stay under 80% (12A)'}, 'yearly_cost_usd': {'type': 'number', 'description': 'Estimated yearly electricity cost in USD'}, 'monthly_cost_usd': {'type': 'number', 'description': 'Estimated monthly electricity cost in USD'}, 'total_with_pue_watts': {'type': 'number', 'description': 'Total power draw including cooling overhead (watts * PUE)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['supply_current_ma', 'supply_voltage_v'], 'properties': {'num_ics': {'type': 'integer', 'default': 1, 'description': 'Number of identical ICs sharing this supply rail. Scales the total current demand.', 'exclusiveMinimum': 0}, 'esr_mohm': {'type': 'number', 'default': 10, 'minimum': 0, 'description': 'Equivalent series resistance (ESR) of the ceramic bypass capacitor in milliohms. Typical MLCC: 5-20 mohm.'}, 'max_ripple_mv': {'type': 'number', 'default': 50, 'description': 'Maximum allowable supply ripple in millivolts (mV). Typical: 50 mV for digital, 10 mV for analog/RF.', 'exclusiveMinimum': 0}, 'supply_voltage_v': {'type': 'number', 'description': 'Supply voltage in volts (V). Common values: 1.8, 2.5, 3.3, 5.0, 12.0.', 'exclusiveMinimum': 0}, 'supply_current_ma': {'type': 'number', 'description': 'IC supply current draw in milliamps (mA). Use the maximum or typical from the datasheet.', 'exclusiveMinimum': 0}, 'switching_freq_mhz': {'type': 'number', 'default': 1, 'description': 'Primary switching or clock frequency of the IC in MHz. Determines the target impedance frequency range.', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['target_impedance_ohm', 'ceramic_cap_uf', 'ceramic_cap_value', 'bulk_cap_uf', 'bulk_cap_value', 'self_resonant_freq_mhz', 'total_current_ma', 'ripple_at_esr_mv', 'bypass_adequate'], 'properties': {'bulk_cap_uf': {'type': 'number', 'description': 'Recommended bulk capacitor value in microfarads (uF). Placed near the voltage regulator for low-frequency decoupling.'}, 'bulk_cap_value': {'type': 'string', 'description': "Nearest standard bulk capacitor value with unit (e.g. '10 uF', '47 uF')."}, 'ceramic_cap_uf': {'type': 'number', 'description': 'Recommended ceramic bypass capacitor value in microfarads (uF). Placed closest to IC pins.'}, 'bypass_adequate': {'type': 'boolean', 'description': 'Whether the ESR-induced ripple is within the specified max_ripple_mv limit.'}, 'ripple_at_esr_mv': {'type': 'number', 'description': 'Estimated ripple voltage due to ESR at the switching frequency: V = I_peak * ESR.'}, 'total_current_ma': {'type': 'number', 'description': 'Total supply current for all ICs on this rail.'}, 'ceramic_cap_value': {'type': 'string', 'description': "Nearest standard E12 capacitor value with unit (e.g. '100 nF', '1 uF')."}, 'target_impedance_ohm': {'type': 'number', 'description': 'Target supply impedance at the switching frequency: Z_target = V_ripple / I_total. The decoupling network must keep PDN impedance below this value.'}, 'self_resonant_freq_mhz': {'type': 'number', 'description': 'Self-resonant frequency of the recommended ceramic capacitor assuming 0.5 nH lead inductance. Above this frequency, the capacitor becomes inductive.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['test_statistic'], 'properties': {'test_type': {'enum': ['one_tail_left', 'one_tail_right', 'two_tail'], 'type': 'string', 'default': 'two_tail', 'description': 'Tail type: one_tail_left (p from left), one_tail_right (p from right), or two_tail (both tails combined).'}, 'test_statistic': {'type': 'number', 'description': 'The z-score or t-statistic from your hypothesis test. Positive values indicate the observed value is above the null hypothesis mean.'}, 'degrees_of_freedom': {'type': 'integer', 'description': 'Degrees of freedom for the t-distribution. Omit to use the standard normal (z) distribution.', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['p_value', 'significant_at_01', 'significant_at_05', 'significant_at_10', 'test_type'], 'properties': {'p_value': {'type': 'number', 'description': 'The computed p-value representing the probability of observing a result at least as extreme as the test statistic under the null hypothesis.'}, 'test_type': {'enum': ['one_tail_left', 'one_tail_right', 'two_tail'], 'type': 'string', 'description': 'The tail type used for this calculation.'}, 'significant_at_01': {'type': 'boolean', 'description': 'Whether the result is statistically significant at the 0.01 (1%) level.'}, 'significant_at_05': {'type': 'boolean', 'description': 'Whether the result is statistically significant at the 0.05 (5%) level.'}, 'significant_at_10': {'type': 'boolean', 'description': 'Whether the result is statistically significant at the 0.10 (10%) level.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'a': {'type': 'number', 'description': 'Length of side a (leg)', 'exclusiveMinimum': 0}, 'b': {'type': 'number', 'description': 'Length of side b (leg)', 'exclusiveMinimum': 0}, 'c': {'type': 'number', 'description': 'Length of side c (hypotenuse)', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['a', 'b', 'c', 'area', 'perimeter', 'is_right_triangle'], 'properties': {'a': {'type': 'number', 'description': 'Length of side a'}, 'b': {'type': 'number', 'description': 'Length of side b'}, 'c': {'type': 'number', 'description': 'Length of side c (hypotenuse)'}, 'area': {'type': 'number', 'description': 'Area of the right triangle (0.5 * a * b)'}, 'perimeter': {'type': 'number', 'description': 'Perimeter of the triangle (a + b + c)'}, 'is_right_triangle': {'type': 'boolean', 'description': 'Always true when computed from two sides'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['devices'], 'properties': {'devices': {'type': 'array', 'items': {'type': 'object', 'required': ['height_u'], 'properties': {'name': {'type': 'string', 'description': "Optional label for the device (e.g. 'Dell R730', 'Patch Panel')"}, 'watts': {'type': 'number', 'default': 0, 'minimum': 0, 'description': 'Power draw of the device in watts'}, 'height_u': {'type': 'integer', 'maximum': 10, 'minimum': 1, 'description': 'Height of the device in rack units (U)'}, 'weight_lbs': {'type': 'number', 'default': 0, 'minimum': 0, 'description': 'Weight of the device in pounds'}}, 'additionalProperties': False}, 'minItems': 1, 'description': 'List of devices to place in the rack'}, 'rack_units': {'type': 'integer', 'default': 42, 'minimum': 1, 'description': 'Total rack height in rack units (standard is 42U)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['used_u', 'free_u', 'utilization_pct', 'total_weight_lbs', 'total_weight_kg', 'total_watts', 'recommended_pdu_count', 'overhead_u', 'effective_free_u'], 'properties': {'free_u': {'type': 'number', 'description': 'Remaining empty rack units'}, 'used_u': {'type': 'number', 'description': 'Total rack units consumed by devices'}, 'overhead_u': {'type': 'number', 'description': 'Estimated cable management overhead in rack units (2U per 10U of gear)'}, 'total_watts': {'type': 'number', 'description': 'Total power draw of all devices in watts'}, 'total_weight_kg': {'type': 'number', 'description': 'Total weight of all devices in kilograms'}, 'utilization_pct': {'type': 'number', 'description': 'Percentage of rack space used by devices'}, 'effective_free_u': {'type': 'number', 'description': 'Free rack units after subtracting cable management overhead'}, 'total_weight_lbs': {'type': 'number', 'description': 'Total weight of all devices in pounds'}, 'recommended_pdu_count': {'type': 'number', 'description': 'Recommended number of PDUs (each PDU = 80% of 20A/120V = 1920W)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['disk_count'], 'properties': {'read_pct': {'type': 'number', 'default': 70, 'maximum': 100, 'minimum': 0, 'description': 'Percentage of workload that is reads (0-100). Typical: 70 for mixed, 90 for read-heavy, 30 for write-heavy'}, 'disk_iops': {'type': 'number', 'default': 150, 'description': 'IOPS per individual disk. Typical values: HDD ~150, SATA SSD ~50000, NVMe SSD ~100000', 'exclusiveMinimum': 0}, 'raid_type': {'enum': ['stripe', 'mirror', 'raidz1', 'raidz2', 'raidz3'], 'type': 'string', 'default': 'raidz1', 'description': 'RAID level: stripe (no redundancy, write penalty 1), mirror (write penalty 2), raidz1 (write penalty 2), raidz2 (write penalty 3), raidz3 (write penalty 4)'}, 'disk_count': {'type': 'integer', 'minimum': 1, 'description': 'Total number of physical disks in the array'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['read_iops', 'write_iops', 'blended_iops', 'write_penalty', 'estimated_latency_ms'], 'properties': {'read_iops': {'type': 'number', 'description': 'Maximum read IOPS: disk_count * disk_iops'}, 'write_iops': {'type': 'number', 'description': 'Maximum write IOPS: disk_count * disk_iops / write_penalty'}, 'blended_iops': {'type': 'number', 'description': 'Effective IOPS for the given read/write mix: (read_pct * read_iops + write_pct * write_iops) / 100'}, 'write_penalty': {'type': 'number', 'description': 'Write amplification factor for the chosen RAID level'}, 'estimated_latency_ms': {'type': 'number', 'description': 'Rough per-disk latency estimate in milliseconds: 1000 / (blended_iops / disk_count)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['resistance_ohm', 'capacitance_f'], 'properties': {'filter_type': {'enum': ['lowpass', 'highpass'], 'type': 'string', 'default': 'lowpass', 'description': "Filter topology: 'lowpass' (R then C to ground) or 'highpass' (C then R to ground)."}, 'capacitance_f': {'type': 'number', 'description': 'Capacitance in farads (C). The capacitive element of the RC filter.', 'exclusiveMinimum': 0}, 'resistance_ohm': {'type': 'number', 'description': 'Resistance in ohms (R). The resistive element of the RC filter.', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['cutoff_freq_hz', 'cutoff_freq_khz', 'time_constant_s', 'time_constant_ms', 'impedance_at_cutoff_ohm', 'phase_at_cutoff_deg'], 'properties': {'cutoff_freq_hz': {'type': 'number', 'description': 'Cutoff frequency (-3 dB point) in hertz.'}, 'cutoff_freq_khz': {'type': 'number', 'description': 'Cutoff frequency in kilohertz for convenience.'}, 'time_constant_s': {'type': 'number', 'description': 'RC time constant (tau) in seconds.'}, 'time_constant_ms': {'type': 'number', 'description': 'RC time constant in milliseconds.'}, 'phase_at_cutoff_deg': {'type': 'number', 'description': 'Phase shift at the cutoff frequency in degrees. -45 for lowpass, +45 for highpass.'}, 'impedance_at_cutoff_ohm': {'type': 'number', 'description': 'Total impedance magnitude at the cutoff frequency in ohms. Equals R * sqrt(2) for a first-order RC filter.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['bands'], 'properties': {'bands': {'type': 'array', 'items': {'enum': ['black', 'brown', 'red', 'orange', 'yellow', 'green', 'blue', 'violet', 'grey', 'white', 'gold', 'silver', 'none'], 'type': 'string'}, 'description': 'Array of 4 or 5 color band names from left to right. 4-band: [digit1, digit2, multiplier, tolerance]. 5-band: [digit1, digit2, digit3, multiplier, tolerance].'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['resistance_ohm', 'resistance_formatted', 'tolerance_pct', 'min_ohm', 'max_ohm', 'band_count'], 'properties': {'max_ohm': {'type': 'number', 'description': 'Maximum resistance within tolerance.'}, 'min_ohm': {'type': 'number', 'description': 'Minimum resistance within tolerance.'}, 'band_count': {'type': 'number', 'description': 'Number of bands (4 or 5).'}, 'tolerance_pct': {'type': 'number', 'description': 'Tolerance in percent.'}, 'resistance_ohm': {'type': 'number', 'description': 'Resistance value in ohms.'}, 'resistance_formatted': {'type': 'string', 'description': "Human-readable resistance string, e.g. '4.7kΩ'."}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['amount'], 'properties': {'amount': {'type': 'number', 'description': 'The salary or wage amount to convert.', 'exclusiveMinimum': 0}, 'from_type': {'enum': ['annual', 'monthly', 'weekly', 'hourly'], 'type': 'string', 'default': 'annual', 'description': "The pay period of the input amount. Defaults to 'annual'."}, 'hours_per_week': {'type': 'number', 'default': 40, 'description': 'Hours worked per week. Defaults to 40 for a standard full-time schedule.', 'exclusiveMinimum': 0}, 'weeks_per_year': {'type': 'number', 'default': 52, 'description': 'Working weeks per year. Defaults to 52. Use 50 to account for 2 weeks unpaid vacation.', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['hourly', 'daily', 'weekly', 'biweekly', 'monthly', 'annual'], 'properties': {'daily': {'type': 'number', 'description': 'Daily earnings assuming an 8-hour workday.'}, 'annual': {'type': 'number', 'description': 'Annual salary.'}, 'hourly': {'type': 'number', 'description': 'Hourly wage.'}, 'weekly': {'type': 'number', 'description': 'Weekly earnings.'}, 'monthly': {'type': 'number', 'description': 'Monthly earnings (annual / 12).'}, 'biweekly': {'type': 'number', 'description': 'Biweekly (every two weeks) earnings.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['price'], 'properties': {'price': {'type': 'number', 'description': 'Unit price of the item in dollars (or any currency). Must be positive.', 'exclusiveMinimum': 0}, 'quantity': {'type': 'integer', 'default': 1, 'description': 'Number of items to purchase. Defaults to 1.', 'exclusiveMinimum': 0}, 'tax_rate_pct': {'type': 'number', 'default': 0, 'minimum': 0, 'description': 'Sales tax rate as a percentage (e.g. 8.875 for 8.875%). Defaults to 0 â\x80\x94 enter your local rate.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['subtotal', 'tax_amount', 'total', 'effective_rate_pct'], 'properties': {'total': {'type': 'number', 'description': 'Subtotal plus tax amount.'}, 'subtotal': {'type': 'number', 'description': 'Price times quantity before tax.'}, 'tax_amount': {'type': 'number', 'description': 'Total tax amount, rounded to two decimal places.'}, 'effective_rate_pct': {'type': 'number', 'description': 'The tax rate applied, echoed back for confirmation.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['value'], 'properties': {'value': {'type': 'number', 'description': 'The number to convert to scientific notation'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['coefficient', 'exponent', 'notation_string', 'engineering_notation'], 'properties': {'exponent': {'type': 'number', 'description': 'The power-of-10 exponent'}, 'coefficient': {'type': 'number', 'description': 'The coefficient (mantissa) between 1 and 10'}, 'notation_string': {'type': 'string', 'description': "Formatted scientific notation with Unicode superscripts (e.g. '3.14 Ã\x97 10²')"}, 'engineering_notation': {'type': 'string', 'description': 'Engineering notation with exponent divisible by 3'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['number_str'], 'properties': {'number_str': {'type': 'string', 'description': "The number as a string to preserve trailing zeros (e.g. '1.200')"}, 'round_to_n': {'type': 'integer', 'description': 'Optionally round the number to this many significant figures', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['sig_figs_count', 'rounded_to_n', 'scientific_notation'], 'properties': {'rounded_to_n': {'type': ['string', 'null'], 'description': 'The number rounded to N significant figures (null if N not provided)'}, 'sig_figs_count': {'type': 'number', 'description': 'Number of significant figures in the input'}, 'scientific_notation': {'type': 'string', 'description': 'The number expressed in scientific notation'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['x1', 'y1', 'x2', 'y2'], 'properties': {'x1': {'type': 'number', 'description': 'X-coordinate of the first point'}, 'x2': {'type': 'number', 'description': 'X-coordinate of the second point'}, 'y1': {'type': 'number', 'description': 'Y-coordinate of the first point'}, 'y2': {'type': 'number', 'description': 'Y-coordinate of the second point'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['slope', 'y_intercept', 'equation', 'angle_degrees', 'distance', 'is_vertical', 'is_horizontal'], 'properties': {'slope': {'type': ['number', 'null'], 'description': 'Slope of the line (null for vertical lines)'}, 'distance': {'type': 'number', 'description': 'Euclidean distance between the two points'}, 'equation': {'type': 'string', 'description': "Line equation in slope-intercept form or 'x = c' for vertical"}, 'is_vertical': {'type': 'boolean', 'description': 'True if the line is vertical (undefined slope)'}, 'y_intercept': {'type': ['number', 'null'], 'description': 'Y-intercept of the line (null for vertical lines)'}, 'angle_degrees': {'type': 'number', 'description': 'Angle of the line relative to the positive x-axis in degrees'}, 'is_horizontal': {'type': 'boolean', 'description': 'True if the line is horizontal (slope = 0)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['rx_power_dbm'], 'properties': {'sf': {'type': 'integer', 'default': 10, 'maximum': 12, 'minimum': 7, 'description': 'LoRa spreading factor (7-12). Higher SF tolerates lower SNR.'}, 'bw_khz': {'enum': [125, 250, 500], 'type': 'number', 'default': 125, 'description': 'LoRa channel bandwidth in kHz. Affects noise floor.'}, 'rx_power_dbm': {'type': 'number', 'description': 'Received signal power in dBm (e.g., -110). Typically from a link budget calculation or field measurement.'}, 'noise_figure_db': {'type': 'number', 'default': 6, 'description': 'Receiver noise figure in dB. Typical LoRa radio NF is 6 dB (SX1276).'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['margin_db', 'noise_floor_dbm', 'required_snr_db', 'link_ok'], 'properties': {'link_ok': {'type': 'boolean', 'description': 'True if margin_db > 0 (signal exceeds demodulation threshold).'}, 'margin_db': {'type': 'number', 'description': 'SNR margin above demodulation threshold in dB. Positive = link OK, negative = link failure.'}, 'noise_floor_dbm': {'type': 'number', 'description': 'Receiver noise floor in dBm, computed from bandwidth and noise figure.'}, 'required_snr_db': {'type': 'number', 'description': 'Minimum SNR required for successful LoRa demodulation at the given SF.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['appliances'], 'properties': {'appliances': {'type': 'array', 'items': {'type': 'object', 'required': ['name', 'watts', 'hours_per_day'], 'properties': {'name': {'type': 'string', 'description': "Appliance name (e.g. 'Refrigerator', 'LED Light')"}, 'watts': {'type': 'number', 'description': 'Power consumption in watts (W)', 'exclusiveMinimum': 0}, 'quantity': {'type': 'integer', 'default': 1, 'description': 'Number of identical units, default 1', 'exclusiveMinimum': 0}, 'hours_per_day': {'type': 'number', 'maximum': 24, 'minimum': 0, 'description': 'Average hours of use per day'}}, 'additionalProperties': False}, 'minItems': 1, 'description': 'List of appliances with wattage, hours per day, and quantity'}, 'safety_margin_pct': {'type': 'number', 'default': 20, 'minimum': 0, 'description': 'Safety margin percentage to account for surge/inrush current, default 20%'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['total_daily_wh', 'total_daily_kwh', 'with_margin_kwh', 'peak_watts', 'recommended_inverter_va', 'appliance_count', 'largest_load_watts'], 'properties': {'peak_watts': {'type': 'number', 'description': 'Peak simultaneous wattage if all appliances run at once (W)'}, 'total_daily_wh': {'type': 'number', 'description': 'Total daily energy consumption in watt-hours (Wh)'}, 'appliance_count': {'type': 'integer', 'description': 'Total number of appliance entries'}, 'total_daily_kwh': {'type': 'number', 'description': 'Total daily energy consumption in kilowatt-hours (kWh)'}, 'with_margin_kwh': {'type': 'number', 'description': 'Daily kWh including safety margin'}, 'largest_load_watts': {'type': 'number', 'description': 'Wattage of the single largest appliance (W)'}, 'recommended_inverter_va': {'type': 'number', 'description': 'Recommended inverter size in VA (peak watts * 1.25 per NEC)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['system_cost_usd', 'system_size_kw', 'annual_production_kwh'], 'properties': {'system_size_kw': {'type': 'number', 'description': 'System size in kilowatts (kW)', 'exclusiveMinimum': 0}, 'federal_itc_pct': {'type': 'number', 'default': 30, 'maximum': 100, 'minimum': 0, 'description': 'Federal Investment Tax Credit percentage, default 30% (US ITC)'}, 'system_cost_usd': {'type': 'number', 'description': 'Total installed system cost in USD', 'exclusiveMinimum': 0}, 'state_rebate_usd': {'type': 'number', 'default': 0, 'minimum': 0, 'description': 'State or local rebate amount in USD, default 0'}, 'annual_production_kwh': {'type': 'number', 'description': 'Estimated annual energy production in kWh (from PVWatts or system_size_kw * peak_sun_hours * 365 * 0.80)', 'exclusiveMinimum': 0}, 'system_lifetime_years': {'type': 'integer', 'default': 25, 'maximum': 50, 'minimum': 1, 'description': 'System lifetime in years, default 25'}, 'annual_degradation_pct': {'type': 'number', 'default': 0.5, 'maximum': 5, 'minimum': 0, 'description': 'Annual panel degradation rate, default 0.5% per year'}, 'annual_maintenance_usd': {'type': 'number', 'default': 100, 'minimum': 0, 'description': 'Annual maintenance cost in USD, default $100'}, 'electricity_rate_cents': {'type': 'number', 'default': 15, 'description': 'Current electricity rate in cents per kWh, default 15', 'exclusiveMinimum': 0}, 'annual_rate_increase_pct': {'type': 'number', 'default': 3, 'minimum': 0, 'description': 'Annual utility rate increase percentage, default 3%'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['net_cost_usd', 'payback_years', 'total_savings_usd', 'roi_pct', 'lcoe_cents_per_kwh', 'year_1_savings_usd', 'year_25_savings_usd', 'lifetime_production_kwh'], 'properties': {'roi_pct': {'type': 'number', 'description': 'Return on investment percentage over system lifetime'}, 'net_cost_usd': {'type': 'number', 'description': 'Net system cost after federal ITC and state rebates (USD)'}, 'payback_years': {'type': 'number', 'description': 'Number of years to recoup net cost from savings'}, 'total_savings_usd': {'type': 'number', 'description': 'Total cumulative savings over system lifetime (USD)'}, 'lcoe_cents_per_kwh': {'type': 'number', 'description': 'Levelized cost of energy in cents per kWh'}, 'year_1_savings_usd': {'type': 'number', 'description': 'First year net savings (USD)'}, 'year_25_savings_usd': {'type': 'number', 'description': 'Final year net savings (USD), or last year if lifetime < 25'}, 'lifetime_production_kwh': {'type': 'number', 'description': 'Total energy produced over system lifetime (kWh)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['daily_kwh'], 'properties': {'dod': {'type': 'number', 'default': 0.8, 'maximum': 1, 'minimum': 0, 'description': 'Battery depth of discharge (0-1), default 0.8 for LiFePO4'}, 'daily_kwh': {'type': 'number', 'description': 'Daily energy consumption in kilowatt-hours (kWh)', 'exclusiveMinimum': 0}, 'panel_watts': {'type': 'number', 'default': 400, 'description': 'Rated wattage per solar panel (W)', 'exclusiveMinimum': 0}, 'peak_sun_hours': {'type': 'number', 'default': 5, 'description': 'Average peak sun hours per day for your location (hours)', 'exclusiveMinimum': 0}, 'system_voltage': {'enum': [12, 24, 48], 'type': 'number', 'default': 48, 'description': 'Battery bank system voltage: 12, 24, or 48 V'}, 'system_efficiency': {'type': 'number', 'default': 0.85, 'maximum': 1, 'minimum': 0, 'description': 'Overall system efficiency (0-1), accounts for inverter, wiring, and controller losses'}, 'battery_autonomy_days': {'type': 'number', 'default': 2, 'description': 'Number of days the battery bank should sustain load without solar input', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['panels_needed', 'total_panel_watts', 'battery_kwh', 'battery_ah', 'charge_controller_amps', 'daily_solar_kwh'], 'properties': {'battery_ah': {'type': 'number', 'description': 'Required battery bank capacity in amp-hours at system voltage'}, 'battery_kwh': {'type': 'number', 'description': 'Required battery bank capacity in kWh (before DoD)'}, 'panels_needed': {'type': 'integer', 'description': 'Number of solar panels required (rounded up)'}, 'daily_solar_kwh': {'type': 'number', 'description': 'Daily solar energy needed after accounting for system losses (kWh)'}, 'total_panel_watts': {'type': 'number', 'description': 'Total installed panel wattage (W)'}, 'charge_controller_amps': {'type': 'number', 'description': 'Minimum charge controller current rating in amps (with 25% margin)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['netlist'], 'properties': {'certify': {'type': 'boolean', 'description': 'If true, attach an a-posteriori existence certificate for the DC operating point (Newtonâ\x80\x93Kantorovich: proves a true solution exists within a computed radius, or refuses). Adds ~one extra back-solve.'}, 'netlist': {'type': 'string', 'minLength': 10, 'description': 'SPICE netlist (ngspice-compatible). Must include at least one analysis command (.ac, .dc, .tran, .op) and end with .end'}, 'options': {'type': 'object', 'description': 'Additional ngspice .options (e.g. { reltol: 0.001 })', 'additionalProperties': {'type': ['string', 'number', 'boolean']}}, 'analysis': {'enum': ['ac', 'dc', 'tran', 'op'], 'type': 'string', 'description': 'Override analysis type (auto-detected from netlist if omitted)'}, 'tolerances': {'type': 'object', 'description': 'Component-tolerance box, e.g. {"R1":0.05,"V1":0.02} (fractional). With output_node, returns a certified min/max interval for that node over all component variations. R/V/I elements only.', 'additionalProperties': {'type': 'number'}}, 'output_node': {'type': 'string', 'description': 'Node whose voltage is certified over the tolerance box (required with tolerances).'}, 'temperature_c': {'type': 'number', 'default': 27, 'description': 'Simulation temperature in Celsius'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['vectors', 'nodes', 'analysis_type', 'runtime_ms', 'warnings', 'component_count'], 'properties': {'nodes': {'type': 'array', 'items': {'type': 'string'}, 'description': 'List of circuit node names'}, 'fourier': {'description': 'Present when the netlist has .four cards: Fourier harmonics + THD per node'}, 'vectors': {'type': 'object', 'description': 'Named voltage/current vectors keyed by node name', 'additionalProperties': {'type': 'array', 'items': {'type': 'number'}}}, 'measures': {'description': 'Present when the netlist has .measure cards: {name: value}'}, 'warnings': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Any ngspice warnings generated during simulation'}, 'runtime_ms': {'type': 'number', 'description': 'Simulation wall-clock time in milliseconds'}, 'certificate': {'description': 'Present when certify=true: {certified, rho, eta, h, ...} existence certificate for the DC operating point'}, 'analysis_type': {'type': 'string', 'description': 'Analysis type that was performed'}, 'component_count': {'type': 'number', 'description': 'Number of components in the netlist'}, 'tolerance_certificate': {'description': 'Present when tolerances+output_node given: {certified, interval, nominal, ...} certified output range over the component-tolerance box'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['template', 'params'], 'properties': {'params': {'type': 'object', 'description': 'Template-specific parameters (e.g. r_ohms, c_farads, v_source)', 'additionalProperties': {'type': 'number'}}, 'analysis': {'enum': ['ac', 'dc', 'tran'], 'type': 'string', 'default': 'ac', 'description': 'SPICE analysis type to include in netlist'}, 'template': {'enum': ['low_pass_rc', 'voltage_divider', 'common_emitter', 'rc_highpass', 'rlc_bandpass', 'opamp_inverting', 'diode_rectifier', 'wien_bridge'], 'type': 'string', 'description': 'Circuit template name'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['netlist', 'template_name', 'component_count', 'analysis_type'], 'properties': {'netlist': {'type': 'string', 'description': 'Complete SPICE netlist ready for simulation'}, 'analysis_type': {'type': 'string', 'description': 'Analysis type included in the netlist'}, 'template_name': {'type': 'string', 'description': 'Template used'}, 'component_count': {'type': 'number', 'description': 'Number of components in the generated circuit'}}, 'additionalProperties': False}

{'type': 'object', 'properties': {}}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['area_sqft', 'area_sqm', 'area_acres', 'perimeter_ft', 'perimeter_m'], 'properties': {'area_sqm': {'type': 'number', 'description': 'Area in square meters (sqft * 0.092903).'}, 'area_sqft': {'type': 'number', 'description': 'Area in square feet.'}, 'area_acres': {'type': 'number', 'description': 'Area in acres (sqft / 43560).'}, 'perimeter_m': {'type': 'number', 'description': 'Perimeter in meters.'}, 'perimeter_ft': {'type': 'number', 'description': 'Perimeter in feet.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['value'], 'properties': {'value': {'type': 'number', 'minimum': 0, 'description': 'The non-negative number to compute the square root of'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['result', 'is_perfect_square', 'simplified_radical'], 'properties': {'result': {'type': 'number', 'description': 'The square root of the input value'}, 'is_perfect_square': {'type': 'boolean', 'description': 'True if the input is a perfect square integer'}, 'simplified_radical': {'type': 'string', 'description': "Simplified radical form (e.g. '2â\x88\x9a3' for â\x88\x9a12)"}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['panel_voc', 'panel_vmp', 'panel_isc', 'panel_imp', 'mppt_vmax', 'mppt_vmin', 'mppt_imax'], 'properties': {'mppt_imax': {'type': 'number', 'description': 'Maximum MPPT input current in amps', 'exclusiveMinimum': 0}, 'mppt_vmax': {'type': 'number', 'description': 'Maximum MPPT input voltage in volts', 'exclusiveMinimum': 0}, 'mppt_vmin': {'type': 'number', 'description': 'Minimum MPPT start/operating voltage in volts', 'exclusiveMinimum': 0}, 'panel_imp': {'type': 'number', 'description': 'Panel maximum power current (Imp) at STC in amps', 'exclusiveMinimum': 0}, 'panel_isc': {'type': 'number', 'description': 'Panel short circuit current (Isc) at STC in amps', 'exclusiveMinimum': 0}, 'panel_vmp': {'type': 'number', 'description': 'Panel maximum power voltage (Vmp) at STC in volts', 'exclusiveMinimum': 0}, 'panel_voc': {'type': 'number', 'description': 'Panel open circuit voltage (Voc) at STC in volts', 'exclusiveMinimum': 0}, 'temp_max_c': {'type': 'number', 'default': 60, 'description': 'Maximum expected cell temperature in Celsius, default 60'}, 'temp_min_c': {'type': 'number', 'default': -10, 'description': 'Minimum expected site temperature in Celsius, default -10'}, 'temp_coeff_voc_pct_per_c': {'type': 'number', 'default': -0.3, 'description': 'Voc temperature coefficient in %/C (negative for silicon), default -0.30'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['max_panels_per_string', 'min_panels_per_string', 'recommended_panels_per_string', 'max_parallel_strings', 'total_panels', 'array_watts', 'voc_cold_per_string', 'vmp_hot_per_string', 'isc_total'], 'properties': {'isc_total': {'type': 'number', 'description': 'Total short circuit current from all parallel strings (A)'}, 'array_watts': {'type': 'number', 'description': 'Total array power at maximum power point (W)'}, 'total_panels': {'type': 'integer', 'description': 'Total panels in the array (strings * panels per string)'}, 'vmp_hot_per_string': {'type': 'number', 'description': 'String Vmp at maximum temperature (V)'}, 'voc_cold_per_string': {'type': 'number', 'description': 'String Voc at minimum temperature (V)'}, 'max_parallel_strings': {'type': 'integer', 'description': 'Maximum parallel strings (limited by MPPT Imax)'}, 'max_panels_per_string': {'type': 'integer', 'description': 'Maximum panels per string (limited by Voc at cold temp)'}, 'min_panels_per_string': {'type': 'integer', 'description': 'Minimum panels per string (to meet MPPT Vmin at hot temp)'}, 'recommended_panels_per_string': {'type': 'integer', 'description': 'Recommended panels per string (uses max for best output)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['cidr'], 'properties': {'cidr': {'type': 'string', 'pattern': '^\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\/\\d{1,2}$', 'description': 'IPv4 address in CIDR notation, e.g. 192.168.1.0/24'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['network_address', 'broadcast_address', 'subnet_mask', 'wildcard_mask', 'first_usable', 'last_usable', 'total_hosts', 'usable_hosts', 'prefix_length', 'ip_class'], 'properties': {'ip_class': {'type': 'string', 'description': 'Classful IP address class: A, B, C, D (multicast), or E (reserved)'}, 'last_usable': {'type': 'string', 'description': 'Last usable host address in the subnet'}, 'subnet_mask': {'type': 'string', 'description': 'Subnet mask in dotted decimal notation, e.g. 255.255.255.0'}, 'total_hosts': {'type': 'number', 'description': 'Total number of addresses in the subnet including network and broadcast'}, 'first_usable': {'type': 'string', 'description': 'First usable host address in the subnet'}, 'usable_hosts': {'type': 'number', 'description': 'Number of usable host addresses (excluding network and broadcast)'}, 'prefix_length': {'type': 'number', 'description': 'CIDR prefix length, e.g. 24'}, 'wildcard_mask': {'type': 'string', 'description': 'Wildcard (inverse) mask, e.g. 0.0.0.255'}, 'network_address': {'type': 'string', 'description': 'Network address of the subnet'}, 'broadcast_address': {'type': 'string', 'description': 'Broadcast address of the subnet'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['bandwidth_mbps', 'rtt_ms'], 'properties': {'rtt_ms': {'type': 'number', 'description': 'Round-trip time (latency) in milliseconds', 'exclusiveMinimum': 0}, 'mss_bytes': {'type': 'number', 'default': 1460, 'description': 'Maximum Segment Size in bytes (typically 1460 for Ethernet)', 'exclusiveMinimum': 0}, 'bandwidth_mbps': {'type': 'number', 'description': 'Available link bandwidth in megabits per second', 'exclusiveMinimum': 0}, 'window_size_kb': {'type': 'number', 'default': 64, 'description': 'TCP receive window size in kilobytes', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['bdp_bytes', 'bdp_kb', 'max_throughput_mbps', 'window_sufficient', 'recommended_window_kb', 'utilization_pct'], 'properties': {'bdp_kb': {'type': 'number', 'description': 'Bandwidth-Delay Product in kilobytes'}, 'bdp_bytes': {'type': 'number', 'description': 'Bandwidth-Delay Product in bytes: maximum data in flight'}, 'utilization_pct': {'type': 'number', 'description': 'Percentage of available bandwidth that can actually be used'}, 'window_sufficient': {'type': 'boolean', 'description': 'Whether the current window size is large enough to fill the pipe'}, 'max_throughput_mbps': {'type': 'number', 'description': 'Maximum achievable TCP throughput in megabits per second given the window size'}, 'recommended_window_kb': {'type': 'number', 'description': 'Minimum window size in kilobytes needed to fully utilize the link'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['correct', 'total'], 'properties': {'total': {'type': 'integer', 'description': 'Total number of questions on the test. Must be a positive integer.', 'exclusiveMinimum': 0}, 'correct': {'type': 'integer', 'minimum': 0, 'description': 'Number of questions answered correctly. Must be a non-negative integer.'}, 'grading_scale': {'enum': ['us', 'uk', 'percentage_only'], 'type': 'string', 'default': 'us', 'description': "Grading scale to use. 'us' for A-F letter grades, 'uk' for First/2:1/2:2/Third/Fail, 'percentage_only' for just the percentage."}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['percentage', 'letter_grade', 'points_missed', 'gpa_points'], 'properties': {'gpa_points': {'type': ['number', 'null'], 'description': 'GPA points on a 4.0 scale (US only). A=4.0, B=3.0, C=2.0, D=1.0, F=0. Null for UK and percentage_only.'}, 'percentage': {'type': 'number', 'description': 'Score as a percentage (0-100).'}, 'letter_grade': {'type': ['string', 'null'], 'description': 'Letter grade based on the selected grading scale. Null if percentage_only.'}, 'points_missed': {'type': 'number', 'description': 'Number of questions answered incorrectly (total - correct).'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['length_m', 'width_m', 'height_m', 'heat_sources', 'flow_type'], 'properties': {'width_m': {'type': 'number', 'maximum': 2, 'description': 'Enclosure width (Y) in metres', 'exclusiveMinimum': 0}, 'height_m': {'type': 'number', 'maximum': 2, 'description': 'Enclosure height (Z) in metres', 'exclusiveMinimum': 0}, 'length_m': {'type': 'number', 'maximum': 2, 'description': 'Enclosure length (X) in metres', 'exclusiveMinimum': 0}, 'flow_type': {'enum': ['natural_convection', 'forced'], 'type': 'string', 'description': 'Airflow type'}, 'heat_sources': {'type': 'array', 'items': {'type': 'object', 'required': ['x_m', 'y_m', 'z_m', 'watts'], 'properties': {'x_m': {'type': 'number', 'minimum': 0, 'description': 'X position in metres from enclosure origin'}, 'y_m': {'type': 'number', 'minimum': 0, 'description': 'Y position in metres'}, 'z_m': {'type': 'number', 'minimum': 0, 'description': 'Z position in metres'}, 'label': {'type': 'string', 'description': "Optional label (e.g. 'CPU', 'PSU')"}, 'watts': {'type': 'number', 'description': 'Heat dissipation in watts', 'exclusiveMinimum': 0}}, 'additionalProperties': False}, 'minItems': 1, 'description': 'Heat sources inside the enclosure'}, 'mesh_density': {'enum': ['coarse', 'medium', 'fine'], 'type': 'string', 'default': 'medium', 'description': 'Mesh density â\x80\x94 coarse (~50K cells), medium (~200K), fine (~500K)'}, 'ambient_temp_c': {'type': 'number', 'default': 25, 'description': 'Ambient air temperature in Celsius'}, 'inlet_position': {'enum': ['front_bottom', 'front_center', 'side_bottom'], 'type': 'string', 'default': 'front_bottom', 'description': 'Inlet location'}, 'outlet_position': {'enum': ['rear_top', 'rear_center', 'top_rear'], 'type': 'string', 'default': 'rear_top', 'description': 'Outlet location'}, 'inlet_velocity_ms': {'type': 'number', 'description': 'Inlet air velocity in m/s (required for forced flow)', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['max_temp_c', 'min_temp_c', 'avg_temp_c', 'hotspot_location', 'max_velocity_ms', 'avg_velocity_ms', 'thermal_resistance_cw', 'total_heat_w', 'mesh_cells', 'solver', 'iterations', 'runtime_ms', 'warnings'], 'properties': {'solver': {'type': 'string', 'description': 'OpenFOAM solver used'}, 'warnings': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Any solver warnings'}, 'avg_temp_c': {'type': 'number', 'description': 'Volume-averaged temperature (°C)'}, 'iterations': {'type': 'number', 'description': 'Number of solver iterations to convergence'}, 'max_temp_c': {'type': 'number', 'description': 'Maximum temperature in the enclosure (°C)'}, 'mesh_cells': {'type': 'number', 'description': 'Number of mesh cells used'}, 'min_temp_c': {'type': 'number', 'description': 'Minimum temperature (°C)'}, 'runtime_ms': {'type': 'number', 'description': 'Simulation wall-clock time in milliseconds'}, 'total_heat_w': {'type': 'number', 'description': 'Total heat load (W)'}, 'avg_velocity_ms': {'type': 'number', 'description': 'Average airflow velocity (m/s)'}, 'max_velocity_ms': {'type': 'number', 'description': 'Peak airflow velocity (m/s)'}, 'hotspot_location': {'type': 'object', 'required': ['x_m', 'y_m', 'z_m'], 'properties': {'x_m': {'type': 'number', 'description': 'X coordinate of hotspot in metres'}, 'y_m': {'type': 'number', 'description': 'Y coordinate of hotspot in metres'}, 'z_m': {'type': 'number', 'description': 'Z coordinate of hotspot in metres'}}, 'description': 'Location of the temperature maximum', 'additionalProperties': False}, 'thermal_resistance_cw': {'type': 'number', 'description': 'Overall thermal resistance (°C/W)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['mode', 'r1_ohm', 'c_farad'], 'properties': {'mode': {'enum': ['astable', 'monostable'], 'type': 'string', 'description': "Operating mode. 'astable' produces a continuous square wave. 'monostable' produces a single timed pulse."}, 'r1_ohm': {'type': 'number', 'description': 'Resistance R1 in ohms. In astable mode this is the charge-path resistor between Vcc and the discharge pin. In monostable mode this is the timing resistor.', 'exclusiveMinimum': 0}, 'r2_ohm': {'type': 'number', 'description': 'Resistance R2 in ohms (astable mode only). Charge/discharge resistor between the discharge and threshold pins. Required for astable mode.', 'exclusiveMinimum': 0}, 'c_farad': {'type': 'number', 'description': 'Timing capacitor in farads. Typical values range from 1 pF to 1000 µF. Use scientific notation, e.g. 1e-6 for 1 µF.', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['mode', 'frequency_hz', 'period_s', 'duty_cycle_pct', 'time_high_s', 'time_low_s', 'r1_ohm', 'r2_ohm', 'c_farad', 'c_display'], 'properties': {'mode': {'type': 'string', 'description': 'Operating mode used for calculation.'}, 'r1_ohm': {'type': 'number', 'description': 'R1 value used in ohms.'}, 'r2_ohm': {'type': ['number', 'null'], 'description': 'R2 value used in ohms (null for monostable).'}, 'c_farad': {'type': 'number', 'description': 'Capacitor value used in farads.'}, 'period_s': {'type': ['number', 'null'], 'description': 'Total period in seconds (astable only, null for monostable).'}, 'c_display': {'type': 'string', 'description': "Human-readable capacitor value string (e.g. '100 nF', '4.7 µF')."}, 'time_low_s': {'type': ['number', 'null'], 'description': 'Output LOW duration in seconds (astable only, null for monostable).'}, 'time_high_s': {'type': 'number', 'description': 'Output HIGH duration in seconds. In astable this is the charge time; in monostable this is the pulse width.'}, 'frequency_hz': {'type': ['number', 'null'], 'description': 'Output frequency in Hz (astable only, null for monostable).'}, 'duty_cycle_pct': {'type': ['number', 'null'], 'description': 'Duty cycle as a percentage (astable only, null for monostable). Always > 50% for standard 555.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['value'], 'properties': {'value': {'type': 'string', 'description': "A timestamp to convert. Accepts Unix epoch (seconds or milliseconds), ISO 8601 string (e.g. '2024-01-15T10:30:00Z'), or 'now' for the current time."}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['unix_seconds', 'unix_milliseconds', 'iso_8601', 'iso_date', 'iso_time', 'day_of_week', 'relative', 'is_past'], 'properties': {'is_past': {'type': 'boolean', 'description': 'True if the timestamp is in the past.'}, 'iso_8601': {'type': 'string', 'description': "ISO 8601 formatted string in UTC (e.g. '2024-01-15T10:30:00.000Z')."}, 'iso_date': {'type': 'string', 'description': 'Date portion only (YYYY-MM-DD).'}, 'iso_time': {'type': 'string', 'description': 'Time portion only (HH:MM:SS).'}, 'relative': {'type': 'string', 'description': "Human-readable relative time (e.g. '2 hours ago', 'in 3 days')."}, 'day_of_week': {'type': 'string', 'description': "Day of the week (e.g. 'Monday')."}, 'unix_seconds': {'type': 'number', 'description': 'Unix timestamp in seconds since epoch (Jan 1 1970 00:00:00 UTC).'}, 'unix_milliseconds': {'type': 'number', 'description': 'Unix timestamp in milliseconds since epoch.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['bill_amount'], 'properties': {'split': {'type': 'integer', 'default': 1, 'maximum': 100, 'description': 'Number of people splitting the bill. Defaults to 1 (no split).', 'exclusiveMinimum': 0}, 'tip_pct': {'type': 'number', 'default': 18, 'maximum': 100, 'minimum': 0, 'description': 'Tip percentage. Common values: 15 (standard), 18 (good), 20 (great), 25 (excellent). Defaults to 18%.'}, 'round_up': {'type': 'boolean', 'default': False, 'description': 'Round the total up to the nearest whole number. Defaults to false.'}, 'bill_amount': {'type': 'number', 'description': 'Total bill amount before tip (any currency).', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['tip_amount', 'total', 'per_person_tip', 'per_person_total', 'effective_tip_pct'], 'properties': {'total': {'type': 'number', 'description': 'Bill plus tip.'}, 'tip_amount': {'type': 'number', 'description': 'Tip amount.'}, 'per_person_tip': {'type': 'number', 'description': "Each person's share of the tip."}, 'per_person_total': {'type': 'number', 'description': "Each person's total including their share of the bill and tip."}, 'effective_tip_pct': {'type': 'number', 'description': 'Actual tip percentage after rounding (if round_up is true, may differ from input).'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['current_amps'], 'properties': {'layer': {'enum': ['external', 'internal'], 'type': 'string', 'default': 'external', 'description': 'PCB layer type. External layers dissipate heat better (k=0.048); internal layers use k=0.024.'}, 'copper_oz': {'type': 'number', 'default': 1, 'description': 'Copper weight in ounces per square foot. 1 oz/ft^2 = 1.37 mil (34.8 um) thickness. Common values: 0.5, 1, 2.', 'exclusiveMinimum': 0}, 'temp_rise_c': {'type': 'number', 'default': 10, 'description': 'Allowable temperature rise above ambient in degrees Celsius. IPC-2221 standard uses 10, 20, or 30 C.', 'exclusiveMinimum': 0}, 'current_amps': {'type': 'number', 'description': 'Required current capacity in amperes (A).', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['width_mil', 'width_mm', 'area_mil2', 'resistance_per_cm_mohm'], 'properties': {'width_mm': {'type': 'number', 'description': 'Required trace width in millimeters.'}, 'area_mil2': {'type': 'number', 'description': 'Required cross-sectional area in square mils.'}, 'width_mil': {'type': 'number', 'description': 'Required trace width in mils (thousandths of an inch).'}, 'resistance_per_cm_mohm': {'type': 'number', 'description': 'Approximate DC resistance per centimeter of trace in milliohms, using copper resistivity.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['value', 'from', 'to'], 'properties': {'to': {'type': 'string', 'description': "Target unit abbreviation (e.g., 'mi', 'kg', 'c', 'bar', 'btu'). Case-insensitive."}, 'from': {'type': 'string', 'description': "Source unit abbreviation (e.g., 'km', 'lb', 'f', 'psi', 'kwh'). Case-insensitive."}, 'value': {'type': 'number', 'description': 'The numeric value to convert.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['result', 'from_unit', 'to_unit', 'category', 'formula'], 'properties': {'result': {'type': 'number', 'description': 'The converted value.'}, 'formula': {'type': 'string', 'description': 'Human-readable conversion formula applied.'}, 'to_unit': {'type': 'string', 'description': 'Normalized target unit abbreviation.'}, 'category': {'type': 'string', 'description': 'Unit category (length, mass, volume, area, speed, pressure, energy, data, time, temperature).'}, 'from_unit': {'type': 'string', 'description': 'Normalized source unit abbreviation.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['va_rating', 'watt_rating', 'load_watts'], 'properties': {'va_rating': {'type': 'number', 'description': 'UPS VA (volt-ampere) rating', 'exclusiveMinimum': 0}, 'battery_ah': {'type': 'number', 'default': 9, 'description': 'Capacity per battery in amp-hours (Ah)', 'exclusiveMinimum': 0}, 'efficiency': {'type': 'number', 'default': 0.9, 'maximum': 1, 'minimum': 0, 'description': 'Inverter/conversion efficiency (0-1), default 0.9'}, 'load_watts': {'type': 'number', 'description': 'Connected load in watts', 'exclusiveMinimum': 0}, 'watt_rating': {'type': 'number', 'description': 'UPS real power (watt) rating', 'exclusiveMinimum': 0}, 'battery_count': {'type': 'integer', 'default': 1, 'description': 'Number of batteries in the UPS', 'exclusiveMinimum': 0}, 'battery_voltage': {'type': 'number', 'default': 12, 'description': 'Voltage per battery (V)', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['runtime_minutes', 'runtime_hours', 'load_pct', 'battery_wh', 'effective_wh', 'pf', 'overloaded'], 'properties': {'pf': {'type': 'number', 'description': 'Power factor (watt_rating / va_rating)'}, 'load_pct': {'type': 'number', 'description': 'Load as percentage of UPS watt capacity'}, 'battery_wh': {'type': 'number', 'description': 'Total battery energy in watt-hours (before efficiency)'}, 'overloaded': {'type': 'boolean', 'description': 'True if load exceeds UPS watt rating'}, 'effective_wh': {'type': 'number', 'description': 'Usable battery energy after efficiency losses (Wh)'}, 'runtime_hours': {'type': 'number', 'description': 'Estimated backup runtime in hours'}, 'runtime_minutes': {'type': 'number', 'description': 'Estimated backup runtime in minutes'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['vin', 'r1_ohm', 'r2_ohm'], 'properties': {'vin': {'type': 'number', 'description': 'Input voltage in volts (V). Must be positive.', 'exclusiveMinimum': 0}, 'r1_ohm': {'type': 'number', 'description': 'Upper resistor value in ohms (R1), connected between Vin and Vout node.', 'exclusiveMinimum': 0}, 'r2_ohm': {'type': 'number', 'description': 'Lower resistor value in ohms (R2), connected between Vout node and ground.', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['vout', 'current_ma', 'power_r1_mw', 'power_r2_mw', 'ratio', 'total_power_mw'], 'properties': {'vout': {'type': 'number', 'description': 'Output voltage in volts at the R1-R2 junction.'}, 'ratio': {'type': 'number', 'description': 'Voltage division ratio R2/(R1+R2), dimensionless 0-1.'}, 'current_ma': {'type': 'number', 'description': 'Current through the divider in milliamps (mA).'}, 'power_r1_mw': {'type': 'number', 'description': 'Power dissipated by R1 in milliwatts (mW).'}, 'power_r2_mw': {'type': 'number', 'description': 'Power dissipated by R2 in milliwatts (mW).'}, 'total_power_mw': {'type': 'number', 'description': 'Total power dissipated by the divider in milliwatts (mW).'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['current_amps', 'wire_length_m', 'wire_gauge_awg', 'voltage_v'], 'properties': {'conductor': {'enum': ['copper', 'aluminum'], 'type': 'string', 'default': 'copper', 'description': 'Conductor material: copper or aluminum'}, 'voltage_v': {'type': 'number', 'description': 'System voltage (V)', 'exclusiveMinimum': 0}, 'current_amps': {'type': 'number', 'description': 'Load current in amperes (A)', 'exclusiveMinimum': 0}, 'wire_length_m': {'type': 'number', 'description': 'One-way wire length in meters', 'exclusiveMinimum': 0}, 'wire_gauge_awg': {'type': 'number', 'description': 'Wire gauge in AWG (e.g. 14, 12, 10; use negative for large gauges: -3 = 4/0)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['voltage_drop_v', 'voltage_drop_pct', 'voltage_at_load_v', 'resistance_ohm', 'power_loss_w', 'compliant'], 'properties': {'compliant': {'type': 'boolean', 'description': 'True if voltage drop is within NEC limits (<=3% branch, <=5% feeder)'}, 'power_loss_w': {'type': 'number', 'description': 'Power dissipated as heat in the conductor (W)'}, 'resistance_ohm': {'type': 'number', 'description': 'Total round-trip conductor resistance (ohm)'}, 'voltage_drop_v': {'type': 'number', 'description': 'Voltage drop across the conductor run (V)'}, 'voltage_drop_pct': {'type': 'number', 'description': 'Voltage drop as a percentage of system voltage'}, 'voltage_at_load_v': {'type': 'number', 'description': 'Voltage at the load end (V)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'vswr': {'type': 'number', 'minimum': 1, 'description': 'Voltage standing wave ratio (>= 1.0, where 1.0 is perfect match)'}, 'return_loss_db': {'type': 'number', 'minimum': 0, 'description': 'Return loss in decibels (positive value, higher is better match)'}, 'reflection_coefficient': {'type': 'number', 'maximum': 1, 'minimum': 0, 'description': 'Reflection coefficient magnitude (gamma), 0 to 1'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['vswr', 'return_loss_db', 'reflection_coefficient', 'mismatch_loss_db', 'power_reflected_pct', 'power_transmitted_pct'], 'properties': {'vswr': {'type': 'number', 'description': 'Voltage standing wave ratio'}, 'return_loss_db': {'type': 'number', 'description': 'Return loss in decibels (positive)'}, 'mismatch_loss_db': {'type': 'number', 'description': 'Mismatch loss in decibels'}, 'power_reflected_pct': {'type': 'number', 'description': 'Percentage of power reflected back toward source'}, 'power_transmitted_pct': {'type': 'number', 'description': 'Percentage of power delivered to load'}, 'reflection_coefficient': {'type': 'number', 'description': 'Reflection coefficient magnitude (gamma)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['watts', 'voltage_v'], 'properties': {'watts': {'type': 'number', 'description': 'Power in watts (W)', 'exclusiveMinimum': 0}, 'voltage_v': {'type': 'number', 'description': 'Voltage in volts (V)', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['amps', 'milliamps', 'voltage_v', 'watts', 'implied_resistance_ohm'], 'properties': {'amps': {'type': 'number', 'description': 'Current in amperes (A)'}, 'watts': {'type': 'number', 'description': 'Input power echoed back (W)'}, 'milliamps': {'type': 'number', 'description': 'Current in milliamperes (mA)'}, 'voltage_v': {'type': 'number', 'description': 'Input voltage echoed back (V)'}, 'implied_resistance_ohm': {'type': 'number', 'description': 'Implied load resistance in ohms assuming resistive load (V/I)'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'freq_mhz': {'type': 'number', 'description': 'Frequency in megahertz (MHz)', 'exclusiveMinimum': 0}, 'wavelength_m': {'type': 'number', 'description': 'Wavelength in metres', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['freq_mhz', 'freq_ghz', 'wavelength_m', 'wavelength_cm', 'wavelength_mm', 'wavelength_ft'], 'properties': {'freq_ghz': {'type': 'number', 'description': 'Frequency in gigahertz (GHz)'}, 'freq_mhz': {'type': 'number', 'description': 'Frequency in megahertz (MHz)'}, 'wavelength_m': {'type': 'number', 'description': 'Wavelength in metres'}, 'wavelength_cm': {'type': 'number', 'description': 'Wavelength in centimetres'}, 'wavelength_ft': {'type': 'number', 'description': 'Wavelength in feet'}, 'wavelength_mm': {'type': 'number', 'description': 'Wavelength in millimetres'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['current_amps'], 'properties': {'conductor': {'enum': ['copper', 'aluminum'], 'type': 'string', 'default': 'copper', 'description': 'Conductor material. Copper has higher ampacity; aluminum is lighter and cheaper for large feeders.'}, 'insulation': {'enum': ['60', '75', '90'], 'type': 'string', 'default': '75', 'description': 'Insulation temperature rating in °C. 60=TW/UF-B, 75=THW/THWN/XHHW (most common), 90=THHN/THWN-2.'}, 'current_amps': {'type': 'number', 'description': 'Required circuit current in amperes. Use 125% of continuous load per NEC 210.20(A).', 'exclusiveMinimum': 0}, 'ambient_temp_c': {'type': 'number', 'default': 30, 'description': 'Ambient temperature in °C. NEC base is 30°C. Higher temps require derating. Typical: 30 (indoor), 40 (attic/hot), 45+ (rooftop conduit).'}, 'continuous_load': {'type': 'boolean', 'default': True, 'description': 'Whether the load operates continuously (3+ hours). NEC requires 125% sizing for continuous loads. Set false for intermittent loads.'}, 'conductors_in_raceway': {'type': 'integer', 'default': 3, 'description': 'Number of current-carrying conductors in a single raceway or cable. More than 3 requires derating per NEC 310.15(C)(2).', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['minimum_awg', 'minimum_awg_label', 'base_ampacity_a', 'derated_ampacity_a', 'required_ampacity_a', 'ambient_correction', 'conductor_count_correction', 'insulation_label', 'all_gauges'], 'properties': {'all_gauges': {'type': 'array', 'items': {'type': 'object', 'required': ['awg', 'awg_label', 'base_ampacity_a', 'derated_ampacity_a', 'sufficient'], 'properties': {'awg': {'type': 'number', 'description': 'AWG gauge number'}, 'awg_label': {'type': 'string', 'description': 'Human-readable AWG label'}, 'sufficient': {'type': 'boolean', 'description': 'Whether this gauge meets the requirement'}, 'base_ampacity_a': {'type': 'number', 'description': 'NEC 310.16 base ampacity'}, 'derated_ampacity_a': {'type': 'number', 'description': 'Ampacity after derating'}}, 'additionalProperties': False}, 'description': 'All available gauges with their ampacities for comparison.'}, 'minimum_awg': {'type': 'number', 'description': 'Minimum AWG wire gauge that meets the derated ampacity requirement.'}, 'base_ampacity_a': {'type': 'number', 'description': 'Base ampacity from NEC 310.16 before any derating, in amperes.'}, 'insulation_label': {'type': 'string', 'description': 'Insulation rating description.'}, 'minimum_awg_label': {'type': 'string', 'description': "Human-readable AWG label (e.g. '4/0', '12', '2')."}, 'ambient_correction': {'type': 'number', 'description': 'Ambient temperature correction factor applied (1.0 at 30°C).'}, 'derated_ampacity_a': {'type': 'number', 'description': 'Final ampacity after applying ambient temperature and conductor count correction factors, in amperes.'}, 'required_ampacity_a': {'type': 'number', 'description': 'Ampacity required to carry the load (includes 125% factor if continuous).'}, 'conductor_count_correction': {'type': 'number', 'description': 'Conductor count correction factor (1.0 for 3 or fewer).'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['current_amps', 'voltage', 'distance_m'], 'properties': {'voltage': {'type': 'number', 'description': 'System voltage (V)', 'exclusiveMinimum': 0}, 'conductor': {'enum': ['copper', 'aluminum'], 'type': 'string', 'default': 'copper', 'description': 'Conductor material: copper or aluminum'}, 'distance_m': {'type': 'number', 'description': 'One-way conductor distance in meters', 'exclusiveMinimum': 0}, 'current_amps': {'type': 'number', 'description': 'Load current in amperes (A)', 'exclusiveMinimum': 0}, 'max_drop_pct': {'type': 'number', 'default': 3, 'description': 'Maximum allowable voltage drop as percentage (default 3%)', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['recommended_awg', 'recommended_awg_label', 'actual_drop_pct', 'actual_drop_v', 'resistance_per_m', 'wire_area_mm2', 'insufficient'], 'properties': {'insufficient': {'type': 'boolean', 'description': 'True if even the largest AWG (4/0) cannot meet the voltage drop target'}, 'actual_drop_v': {'type': 'number', 'description': 'Actual voltage drop in volts'}, 'wire_area_mm2': {'type': 'number', 'description': 'Cross-sectional area of recommended gauge in mm^2'}, 'actual_drop_pct': {'type': 'number', 'description': 'Actual voltage drop percentage with recommended gauge'}, 'recommended_awg': {'type': 'number', 'description': 'Recommended AWG gauge number (smaller number = thicker wire)'}, 'resistance_per_m': {'type': 'number', 'description': 'Resistance per meter of the recommended gauge (ohm/m)'}, 'recommended_awg_label': {'type': 'string', 'description': "Human-readable AWG label (e.g. '10' or '0000 (4/0)')"}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'ipv6': {'type': 'boolean', 'default': False, 'description': 'Whether the outer (transport) IP header uses IPv6 (40 bytes) instead of IPv4 (20 bytes)'}, 'over_pppoe': {'type': 'boolean', 'default': False, 'description': 'Whether the link uses PPPoE encapsulation (adds 8 bytes of overhead)'}, 'interface_mtu': {'type': 'integer', 'default': 1500, 'description': 'MTU of the underlying physical or virtual network interface in bytes', 'exclusiveMinimum': 0}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['wireguard_mtu', 'overhead_bytes', 'breakdown'], 'properties': {'breakdown': {'type': 'object', 'required': ['wireguard_header', 'ip_header', 'udp_header', 'pppoe_header'], 'properties': {'ip_header': {'type': 'number', 'description': 'Outer IP header size: 20 bytes for IPv4, 40 bytes for IPv6'}, 'udp_header': {'type': 'number', 'description': 'UDP header overhead in bytes (always 8)'}, 'pppoe_header': {'type': 'number', 'description': 'PPPoE encapsulation overhead in bytes (0 or 8)'}, 'wireguard_header': {'type': 'number', 'description': 'WireGuard protocol header overhead in bytes (always 32)'}}, 'description': 'Itemized breakdown of each overhead component in bytes', 'additionalProperties': False}, 'wireguard_mtu': {'type': 'number', 'description': 'Optimal MTU to set on the WireGuard tunnel interface in bytes'}, 'overhead_bytes': {'type': 'number', 'description': 'Total encapsulation overhead in bytes subtracted from interface MTU'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['disk_count', 'disk_size_tb'], 'properties': {'raid_type': {'enum': ['stripe', 'mirror', 'raidz1', 'raidz2', 'raidz3'], 'type': 'string', 'default': 'raidz1', 'description': 'ZFS RAID level: stripe (no redundancy), mirror (2-way), raidz1/2/3 (single/double/triple parity)'}, 'disk_count': {'type': 'integer', 'minimum': 1, 'description': 'Total number of physical disks in the pool'}, 'disk_size_tb': {'type': 'number', 'description': 'Size of each individual disk in terabytes', 'exclusiveMinimum': 0}, 'record_size_kb': {'type': 'number', 'default': 128, 'description': 'ZFS record size in kilobytes, affects compression and performance', 'exclusiveMinimum': 0}, 'metadata_overhead_pct': {'type': 'number', 'default': 3.2, 'maximum': 100, 'minimum': 0, 'description': 'Percentage of raw capacity consumed by ZFS metadata, checksums, and internal structures'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['raw_tb', 'usable_tb', 'parity_disks', 'data_disks', 'efficiency_pct'], 'properties': {'raw_tb': {'type': 'number', 'description': 'Total raw capacity across all disks in terabytes'}, 'usable_tb': {'type': 'number', 'description': 'Usable capacity after parity and metadata overhead in terabytes'}, 'data_disks': {'type': 'number', 'description': 'Number of disks (or disk-equivalents) available for data storage'}, 'parity_disks': {'type': 'number', 'description': 'Number of disks (or disk-equivalents) consumed by parity/mirroring'}, 'efficiency_pct': {'type': 'number', 'description': 'Storage efficiency as a percentage of raw capacity'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['pool_size_tb'], 'properties': {'workload': {'enum': ['general', 'nas', 'database', 'virtualization'], 'type': 'string', 'default': 'general', 'description': 'Primary workload type: general (mixed), nas (sequential reads/writes), database (random IO), virtualization (mixed random)'}, 'pool_size_tb': {'type': 'number', 'description': 'Total usable pool size in terabytes', 'exclusiveMinimum': 0}, 'dedup_enabled': {'type': 'boolean', 'default': False, 'description': 'Whether ZFS deduplication is enabled (significantly increases RAM requirements)'}, 'l2arc_size_gb': {'type': 'number', 'default': 0, 'minimum': 0, 'description': 'Size of L2ARC (read cache SSD) in gigabytes; requires additional RAM for index'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['min_ram_gb', 'recommended_ram_gb', 'arc_target_gb', 'dedup_table_gb', 'notes'], 'properties': {'notes': {'type': 'string', 'description': 'Human-readable sizing rationale and recommendations'}, 'min_ram_gb': {'type': 'number', 'description': 'Minimum recommended RAM in gigabytes for stable operation'}, 'arc_target_gb': {'type': 'number', 'description': 'Target ARC (Adaptive Replacement Cache) size in gigabytes'}, 'dedup_table_gb': {'type': 'number', 'description': 'Estimated dedup table (DDT) RAM requirement in gigabytes'}, 'recommended_ram_gb': {'type': 'number', 'description': 'Recommended RAM in gigabytes for optimal performance (2x minimum)'}}, 'additionalProperties': False}