Dive Kit

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['depth'], 'properties': {'depth': {'type': 'number', 'maximum': 1000, 'minimum': 0, 'description': 'Target (maximum) depth in m (metric) or ft (imperial). Required.'}, 'style': {'enum': ['auto', 'nitrox', 'trimix'], 'type': 'string', 'description': 'auto (default): nitrox when it meets target_end, else trimix. nitrox: no helium, END reported but not enforced. trimix: the standard fill comes from the trimix list.'}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'water': {'enum': ['salt', 'fresh', 'en13319', 'red_sea'], 'type': 'string', 'description': 'Water type, from its density: en13319 (EN 13319, the dive computer standard) 10.00 m per bar, salt 9.95, fresh 10.20, red_sea 9.92. Default en13319.'}, 'altitude': {'type': 'number', 'maximum': 32800, 'minimum': 0, 'description': 'Surface altitude (m or ft, per units), 0 to 10000 m (32800 ft). Default 0.'}, 'ppo2_max': {'type': 'number', 'maximum': 1.6, 'minimum': 1, 'description': 'PPOâ\x82\x82 limit in bar at the target depth, 1.0 to 1.6. Default 1.4, a working bottom-gas limit.'}, 'target_end': {'type': 'number', 'maximum': 1000, 'minimum': 0, 'description': 'Deepest equivalent narcotic depth (END) allowed at depth, in m or ft. Helium is added to meet it. Default 30 m (98 ft).'}, 'temperature': {'type': 'number', 'maximum': 104, 'minimum': -2, 'description': 'Water temperature for gas density, in °C (metric, -2 to 40) or °F (imperial, 28 to 104). Default 15 °C.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['units', 'depth', 'best_mix', 'deco_ladder', 'cap_used_bar', 'spoken_summary', 'safety_notice'], 'properties': {'depth': {'type': 'number', 'description': 'Target depth, as given.'}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'best_mix': {'type': 'object', 'required': ['oxygen_pct', 'helium_pct', 'mod', 'end', 'density_g_l', 'helium_pct_for_density_limit'], 'properties': {'end': {'type': 'number', 'description': 'END at the target depth.'}, 'mod': {'type': 'number', 'description': 'MOD at cap_used_bar, whole m or ft, floored.'}, 'helium_pct': {'type': 'number', 'description': 'He %.'}, 'oxygen_pct': {'type': 'number', 'description': 'Oâ\x82\x82 %.'}, 'density_g_l': {'type': 'number', 'description': 'Gas density at the target depth, g/L to 0.1, at temperature (default 15 °C).'}, 'helium_pct_for_density_limit': {'type': ['number', 'null'], 'description': 'Only when density is over 5.2 g/L: the total helium % (Oâ\x82\x82 unchanged) that brings it to 5.2 g/L at the target depth. null when under 5.2, or when no helium fraction can.'}}, 'description': 'Richest mix: Oâ\x82\x82 floored to a whole percent, He rounded up to 0.1 (0 for nitrox).', 'additionalProperties': False}, 'deco_ladder': {'type': 'array', 'items': {'type': 'object', 'required': ['oxygen_pct', 'helium_pct', 'switch_depth', 'role', 'why'], 'properties': {'why': {'type': 'string'}, 'role': {'enum': ['travel', 'deco', 'oxygen'], 'type': 'string'}, 'helium_pct': {'type': 'number'}, 'oxygen_pct': {'type': 'number'}, 'switch_depth': {'type': 'number', 'description': 'travel: where to switch to the bottom mix on the descent. deco and oxygen: where to switch on the ascent.'}}, 'additionalProperties': False}, 'description': 'Standard travel and deco gases for this depth; empty to 30 m (100 ft).'}, 'cap_used_bar': {'type': 'number', 'description': 'PPOâ\x82\x82 limit used.'}, 'standard_mix': {'type': 'object', 'required': ['oxygen_pct', 'helium_pct', 'mod', 'end', 'density_g_l', 'helium_pct_for_density_limit'], 'properties': {'end': {'type': 'number', 'description': 'END at the target depth.'}, 'mod': {'type': 'number', 'description': 'MOD at cap_used_bar, whole m or ft, floored.'}, 'helium_pct': {'type': 'number', 'description': 'He %.'}, 'oxygen_pct': {'type': 'number', 'description': 'Oâ\x82\x82 %.'}, 'density_g_l': {'type': 'number', 'description': 'Gas density at the target depth, g/L to 0.1, at temperature (default 15 °C).'}, 'helium_pct_for_density_limit': {'type': ['number', 'null'], 'description': 'Only when density is over 5.2 g/L: the total helium % (Oâ\x82\x82 unchanged) that brings it to 5.2 g/L at the target depth. null when under 5.2, or when no helium fraction can.'}}, 'description': 'Nearest standard fill (air, EANx28 to EANx50, 25/25 to 10/70) within the same PPOâ\x82\x82 and END limits at this depth.', 'additionalProperties': False}, 'safety_notice': {'type': 'string'}, 'spoken_summary': {'type': 'string', 'description': 'A few plain sentences for a voice reply, ending with an offer: digits allowed, no symbols or notation.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['current', 'target'], 'properties': {'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'target': {'type': 'object', 'required': ['oxygen_pct', 'pressure'], 'properties': {'pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': 'Target gauge pressure once the cylinder has cooled (bar or psi, per units).'}, 'helium_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Target helium %, 0 to 100. Default 0.'}, 'oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Target oxygen %, 0 to 100 (EANx32 is 32, trimix 21/35 is 21).'}}, 'description': 'The mix and settled pressure to reach.', 'additionalProperties': False}, 'current': {'type': 'object', 'required': ['oxygen_pct', 'pressure'], 'properties': {'preset': {'enum': ['al80', 'al40', 'al63', 'hp80', 'hp100', 'hp120', 'lp85', 's80', 'single_10l', 'single_12l', 'single_15l', 'twin_10l', 'twin_12l', 'twin_15l', 'stage_11l', 'stage_7l', 'o2_3l', 'dil_3l'], 'type': 'string', 'description': 'A common cylinder instead of cylinder_size, as in plan_dive: al80, al40, al63, hp80, hp100, hp120, lp85, s80, single_10l, single_12l, single_15l, twin_10l, twin_12l, twin_15l, stage_11l, stage_7l, o2_3l, dil_3l. twin_ presets are a manifolded pair.'}, 'twinset': {'type': 'boolean', 'description': "true for two cylinders on a manifold, filled or breathed together: doubles the volume. Default: the preset's, else false."}, 'pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': 'Gauge pressure now (bar or psi, per units), 0 to 500 bar (7252 psi).'}, 'helium_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Helium % now, 0 to 100. Default 0.'}, 'oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Oxygen % of the gas in the cylinder now, as analysed, 0 to 100. Air is 21; an empty cylinder is 21 at pressure 0.'}, 'cylinder_size': {'type': 'number', 'maximum': 400, 'minimum': 0.5, 'description': "Metric: water volume of ONE cylinder in litres, the number stamped on the neck. Imperial: rated capacity in ft³ at rated_pressure (an AL80 is 77.4). Default: the preset's, else an AL80 (11.1 L)."}, 'rated_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 725, 'description': "Imperial only: the psi the capacity is rated at. Default: the preset's, else 3000. Ignored on metric."}}, 'description': 'The cylinder now: analysed mix, gauge pressure and size.', 'additionalProperties': False}, 'altitude': {'type': 'number', 'maximum': 32800, 'minimum': 0, 'description': 'Altitude (m or ft, per units), 0 to 10000 m (32800 ft). Lowers the surface pressure the math adds to gauge readings. Default 0.'}, 'bleed_step': {'type': 'number', 'maximum': 500, 'minimum': 1, 'description': 'Gauge step the bleed pressure rounds down to (bar or psi). Default 5 bar (100 psi).'}, 'injection_order': {'enum': ['he_first', 'o2_first'], 'type': 'string', 'description': 'Order the feeds join the intake: he_first (helium, then oxygen; the default) or o2_first. Picks which intermediate analyzer reading the text leads with; both are returned.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['units', 'feasible', 'ratios', 'notes', 'spoken_summary', 'safety_notice'], 'properties': {'blend': {'type': 'object', 'required': ['oxygen_pct', 'helium_pct'], 'properties': {'helium_pct': {'type': 'number'}, 'oxygen_pct': {'type': 'number'}}, 'description': 'The intake stream the whole fill must be.', 'additionalProperties': False}, 'error': {'type': 'object', 'required': ['code', 'key', 'reason'], 'properties': {'key': {'type': 'string'}, 'code': {'type': 'string'}, 'reason': {'type': 'string'}}, 'additionalProperties': False}, 'notes': {'type': 'array', 'items': {'type': 'string'}}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'ratios': {'type': 'array', 'items': {'type': 'object', 'required': ['gas', 'fraction_pct'], 'properties': {'gas': {'enum': ['air', 'oxygen', 'helium'], 'type': 'string'}, 'fraction_pct': {'type': 'number'}}, 'additionalProperties': False}, 'description': 'Share of the intake flow per feed.'}, 'feasible': {'type': 'boolean'}, 'safety_notice': {'type': 'string'}, 'bleed_pressure': {'type': 'number', 'description': 'Bleed the cylinder to this gauge pressure first; absent when no bleed is needed.'}, 'spoken_summary': {'type': 'string', 'description': 'A few plain sentences for a voice reply, ending with an offer: digits allowed, no symbols or notation.'}, 'analyzer_final_pct': {'type': 'number', 'description': 'Oxygen % the analyzer reads on the finished stream.'}, 'analyzer_intermediate_he_first_pct': {'type': 'number', 'description': 'He first: oxygen % after helium joins the air, before oxygen.'}, 'analyzer_intermediate_o2_first_pct': {'type': 'number', 'description': 'Oâ\x82\x82 first: oxygen % after oxygen joins the air, before helium.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {'gear': {'type': 'array', 'items': {'type': 'object', 'required': ['label', 'weight'], 'properties': {'label': {'type': 'string', 'maxLength': 40, 'description': 'What it is: belt, trim pockets, backplate, torch.'}, 'weight': {'type': 'number', 'maximum': 250, 'minimum': -100, 'description': 'In-water weight, kg (lb), positive when it sinks (a 6 kg belt is 6).'}, 'ditchable': {'type': 'boolean', 'description': 'Can be dropped in an emergency. Default false.'}}, 'additionalProperties': False}, 'maxItems': 20, 'description': 'Lead and other gear. Omit to get the lead the rig needs from zero.'}, 'wing': {'type': 'object', 'properties': {'lift': {'type': 'number', 'maximum': 250, 'minimum': -100, 'description': 'Wing lift, kg (lb). Default 16 kg.'}, 'smb_lift': {'type': 'number', 'maximum': 250, 'minimum': -100, 'description': 'Emergency lift from an SMB, kg (lb); omit for none.'}, 'lift_bag_lift': {'type': 'number', 'maximum': 250, 'minimum': -100, 'description': 'Emergency lift from a lift bag, kg (lb); omit for none.'}, 'redundant_bladder_lift': {'type': 'number', 'maximum': 250, 'minimum': -100, 'description': 'Second bladder lift, kg (lb); omit for none.'}}, 'description': 'Buoyancy devices.', 'additionalProperties': False}, 'diver': {'type': 'object', 'properties': {'age': {'type': 'integer', 'maximum': 100, 'minimum': 10, 'description': 'Age in years.'}, 'sex': {'enum': ['male', 'female'], 'type': 'string', 'description': 'male or female, for the lung and body-fat estimate.'}, 'height': {'type': 'number', 'maximum': 250, 'minimum': 39, 'description': 'Height, cm (in imperial): 100 to 250 cm (39.4 to 98.4 in).'}, 'weight': {'type': 'number', 'maximum': 552, 'minimum': 20, 'description': 'Body weight, kg (lb imperial): 20 to 250 kg (44.1 to 551.2 lb).'}, 'body_offset': {'type': 'number', 'maximum': 250, 'minimum': -100, 'description': 'Personal buoyancy from an in-water weight check, kg (lb), positive floats. Wins over the estimate.'}, 'body_fat_pct': {'type': 'number', 'maximum': 60, 'minimum': 3, 'description': 'Body fat %, else estimated from height and weight.'}, 'body_offset_water': {'enum': ['salt', 'fresh', 'en13319', 'red_sea'], 'type': 'string', 'description': 'Water type, from its density: en13319 (EN 13319, the dive computer standard) 10.00 m per bar, salt 9.95, fresh 10.20, red_sea 9.92. Default en13319.'}}, 'description': 'The diver. With no body_offset but height, weight, age and sex, body buoyancy is estimated; with neither it is taken as neutral.', 'additionalProperties': False}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'water': {'enum': ['salt', 'fresh', 'en13319', 'red_sea'], 'type': 'string', 'description': 'Water type, from its density: en13319 (EN 13319, the dive computer standard) 10.00 m per bar, salt 9.95, fresh 10.20, red_sea 9.92. Default en13319.'}, 'exposure': {'type': 'object', 'required': ['type'], 'properties': {'cut': {'enum': ['full', 'shorty', 'farmer_john'], 'type': 'string', 'description': 'Wetsuit cut: full (default), shorty or farmer_john.'}, 'type': {'enum': ['none', 'wetsuit', 'drysuit'], 'type': 'string', 'description': 'none, wetsuit or drysuit.'}, 'hood_mm': {'type': 'number', 'maximum': 10, 'minimum': 0, 'description': 'Hood thickness in mm; 0 or omitted for none.'}, 'vest_mm': {'type': 'number', 'maximum': 10, 'minimum': 0, 'description': 'Vest or hooded vest thickness in mm; 0 or omitted for none.'}, 'neoprene': {'enum': ['soft', 'standard', 'old'], 'type': 'string', 'description': 'Wetsuit foam: soft (new, compresses most), standard (default) or old (about 20% less lift).'}, 'gloves_mm': {'type': 'number', 'maximum': 10, 'minimum': 0, 'description': 'Glove thickness in mm; 0 or omitted for none.'}, 'undersuit': {'enum': ['light', 'medium', 'heavy'], 'type': 'string', 'description': 'Drysuit undersuit: light, medium (default) or heavy.'}, 'booties_mm': {'type': 'number', 'maximum': 10, 'minimum': 0, 'description': 'Bootie thickness in mm; 0 or omitted for none.'}, 'custom_lift': {'type': 'number', 'maximum': 250, 'minimum': -100, 'description': 'Measured suit lift at the surface, kg (lb), instead of the model.'}, 'thickness_mm': {'type': 'number', 'maximum': 10, 'minimum': 0, 'description': 'Wetsuit neoprene thickness in mm (both unit systems), 0 to 10. Default 5.'}}, 'description': 'Exposure suit. Default a 5 mm full wetsuit.', 'additionalProperties': False}, 'cylinders': {'type': 'array', 'items': {'type': 'object', 'required': ['role'], 'properties': {'role': {'enum': ['single', 'twinset', 'sidemount', 'stage'], 'type': 'string', 'description': 'single, twinset (two on a manifold), sidemount (a pair, one each side) or stage (one slung cylinder; one entry per stage).'}, 'rigging': {'type': 'boolean', 'description': 'Count bands, manifold or stage hardware. Default true for twinset, sidemount and stage.'}, 'cylinder': {'type': 'string', 'maxLength': 40, 'description': 'A lookup_cylinders id (al80, steel12-232, hp100) or a plan_dive preset (al80, twin_12l, stage_11l). For twinset and sidemount name ONE cylinder of the pair. Default al80.'}, 'regulator': {'enum': ['travel', 'standard', 'cold_water', 'none'], 'type': 'string', 'description': 'Regulator on each cylinder: travel, standard, cold_water or none. Default by role: standard (single, sidemount), cold_water (twinset), travel (stage).'}, 'helium_pct': {'type': 'number', 'maximum': 95, 'minimum': 0, 'description': 'Helium % of the gas in it. Default 0.'}, 'oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 5, 'description': 'Oxygen % of the gas in it. Default 21.'}, 'cylinder_lead': {'type': 'number', 'maximum': 250, 'minimum': -100, 'description': 'Lead fixed to each cylinder (a tail or V-weight), kg (lb). Default 0.'}, 'cylinder_size': {'type': 'number', 'maximum': 400, 'minimum': 0.5, 'description': 'For a cylinder not in the data: water litres of one cylinder, or ft³ at rated_pressure on imperial. Needs empty_buoyancy.'}, 'empty_buoyancy': {'type': 'number', 'maximum': 250, 'minimum': -100, 'description': "For a cylinder not in the data: buoyancy of one empty cylinder with its valve, kg (lb imperial), negative when it sinks. From the maker's sheet."}, 'rated_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 725, 'description': 'Imperial only, with cylinder_size: the psi its ft³ is rated at. Default 3000.'}, 'start_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': 'Fill at the start (bar or psi). Default: the preset fill, else the dataset working pressure.'}}, 'additionalProperties': False}, 'maxItems': 6, 'minItems': 1, 'description': 'Cylinders on the rig. Default one single AL80.'}, 'target_depth': {'type': 'number', 'maximum': 1000, 'minimum': 0, 'description': 'Deepest point of the dive (m or ft), where full cylinders are checked. Default 30 m (98 ft).'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['units', 'water', 'weight_adjustment', 'end_of_dive', 'start_of_dive', 'failure_scenarios', 'advisories', 'cylinders', 'assumptions', 'spoken_summary', 'safety_notice'], 'properties': {'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'water': {'enum': ['salt', 'fresh', 'en13319', 'red_sea'], 'type': 'string', 'description': 'Water type, from its density: en13319 (EN 13319, the dive computer standard) 10.00 m per bar, salt 9.95, fresh 10.20, red_sea 9.92. Default en13319.'}, 'cylinders': {'type': 'array', 'items': {'type': 'object', 'required': ['role', 'count', 'cylinder', 'name', 'start_pressure', 'oxygen_pct', 'helium_pct'], 'properties': {'name': {'type': 'string'}, 'role': {'type': 'string'}, 'count': {'type': 'number'}, 'cylinder': {'type': 'string'}, 'helium_pct': {'type': 'number'}, 'oxygen_pct': {'type': 'number'}, 'start_pressure': {'type': 'number'}}, 'additionalProperties': False}}, 'advisories': {'type': 'array', 'items': {'type': 'object', 'required': ['key', 'severity', 'title', 'detail'], 'properties': {'key': {'type': 'string'}, 'title': {'type': 'string'}, 'detail': {'type': 'string'}, 'severity': {'enum': ['critical', 'warning'], 'type': 'string'}}, 'additionalProperties': False}}, 'assumptions': {'type': 'array', 'items': {'type': 'string'}}, 'end_of_dive': {'type': 'object', 'required': ['status', 'depth', 'net_buoyancy', 'breakdown', 'message', 'explanation'], 'properties': {'depth': {'type': 'number'}, 'action': {'type': 'string'}, 'status': {'enum': ['pass', 'warning', 'fail'], 'type': 'string'}, 'message': {'type': 'string'}, 'breakdown': {'type': 'object', 'required': ['gas', 'suit_lift', 'cylinders', 'gear', 'ditchable', 'body'], 'properties': {'gas': {'type': 'number'}, 'body': {'type': 'number'}, 'gear': {'type': 'number'}, 'cylinders': {'type': 'number'}, 'ditchable': {'type': 'number'}, 'suit_lift': {'type': 'number'}}, 'additionalProperties': False}, 'explanation': {'type': 'string'}, 'net_buoyancy': {'type': 'number', 'description': 'Positive floats, negative sinks.'}}, 'additionalProperties': False}, 'safety_notice': {'type': 'string'}, 'start_of_dive': {'type': 'object', 'required': ['status', 'depth', 'net_buoyancy', 'breakdown', 'message', 'explanation'], 'properties': {'depth': {'type': 'number'}, 'action': {'type': 'string'}, 'status': {'enum': ['pass', 'warning', 'fail'], 'type': 'string'}, 'message': {'type': 'string'}, 'breakdown': {'type': 'object', 'required': ['gas', 'suit_lift', 'cylinders', 'gear', 'ditchable', 'body'], 'properties': {'gas': {'type': 'number'}, 'body': {'type': 'number'}, 'gear': {'type': 'number'}, 'cylinders': {'type': 'number'}, 'ditchable': {'type': 'number'}, 'suit_lift': {'type': 'number'}}, 'additionalProperties': False}, 'explanation': {'type': 'string'}, 'net_buoyancy': {'type': 'number', 'description': 'Positive floats, negative sinks.'}}, 'additionalProperties': False}, 'spoken_summary': {'type': 'string', 'description': 'A few plain sentences for a voice reply, ending with an offer: digits allowed, no symbols or notation.'}, 'failure_scenarios': {'type': 'array', 'items': {'type': 'object', 'required': ['scenario', 'status', 'can_recover', 'name', 'message', 'explanation', 'recovery_options'], 'properties': {'name': {'type': 'string'}, 'status': {'enum': ['pass', 'warning', 'fail'], 'type': 'string'}, 'message': {'type': 'string'}, 'scenario': {'enum': ['flooded_suit', 'wing_failure', 'lost_stage'], 'type': 'string'}, 'can_recover': {'type': 'boolean'}, 'explanation': {'type': 'string'}, 'ditch_required': {'type': 'number'}, 'recovery_options': {'type': 'array', 'items': {'type': 'string'}}}, 'additionalProperties': False}}, 'weight_adjustment': {'type': 'object', 'required': ['weight', 'action'], 'properties': {'action': {'enum': ['add', 'remove', 'none'], 'type': 'string'}, 'weight': {'type': 'number'}}, 'description': 'Lead to add or remove to be neutral at the end of the dive, to 0.5 kg.', 'additionalProperties': False}, 'flooded_suit_ditch': {'type': 'number', 'description': 'Ditchable weight needed to recover from a flooded drysuit.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['depth'], 'properties': {'depth': {'type': 'number', 'maximum': 1000, 'minimum': 0, 'description': 'Depth in m (metric) or ft (imperial), 1 to 200 m (3 to 650 ft). Required.'}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'water': {'enum': ['salt', 'fresh', 'en13319', 'red_sea'], 'type': 'string', 'description': 'Water type, from its density: en13319 (EN 13319, the dive computer standard) 10.00 m per bar, salt 9.95, fresh 10.20, red_sea 9.92. Default en13319.'}, 'altitude': {'type': 'number', 'maximum': 32800, 'minimum': 0, 'description': 'Surface altitude (m or ft, per units), 0 to 10000 m (0 to 32800 ft). Default 0.'}, 'helium_pct': {'type': 'number', 'maximum': 95, 'minimum': 0, 'description': 'Helium percentage, 0 to 95. Default 0.'}, 'oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 5, 'description': 'Oxygen percentage of the gas, 5 to 100. Default 21 (air). Example: 32 for EANx32.'}, 'bottom_time_min': {'type': 'number', 'maximum': 300, 'minimum': 1, 'description': 'Planned minutes at the depth after the descent, 1 to 300. When given, the answer says whether it is within the no-stop time and by how much. Example: 25 for "is 25 min at 30 m ok?".'}, 'gradient_factors': {'type': 'object', 'properties': {'low': {'type': 'number', 'maximum': 100, 'minimum': 10, 'description': 'GF low, percent, 10 to 100. Default 50.'}, 'high': {'type': 'number', 'maximum': 100, 'minimum': 10, 'description': 'GF high, percent, 10 to 100. Sets the no-stop limit. Default 80.'}}, 'description': 'Gradient factors. The no-stop time is computed at GF high.', 'additionalProperties': False}, 'previous_share_url': {'type': 'string', 'maxLength': 8000, 'description': "Repetitive dive: the share link of the previous dive's plan_dive or check_no_deco result. Send with surface_interval_min."}, 'surface_interval_min': {'type': 'number', 'maximum': 1440, 'minimum': 15, 'description': 'Repetitive dive: surface interval since the previous dive, 15 to 1440 minutes. Send with previous_share_url.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['units', 'depth', 'mix', 'no_stop_minutes', 'gf', 'ppo2', 'mod_1_4_bar', 'warnings', 'share_url', 'spoken_summary', 'safety_notice'], 'properties': {'gf': {'type': 'string', 'description': 'Gradient factors used, low/high.'}, 'mix': {'type': 'string', 'description': 'Gas as Oâ\x82\x82/He, e.g. 21/0.'}, 'ppo2': {'type': 'number', 'description': 'PPOâ\x82\x82 of the gas at the depth, bar.'}, 'depth': {'type': 'number', 'description': 'Depth, as given.'}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'verdict': {'enum': ['within', 'over'], 'type': 'string', 'description': 'With bottom_time_min: within or over the no-stop time.'}, 'warnings': {'type': 'array', 'items': {'type': 'string'}, 'description': 'Titles of the plan warnings at this depth (hyperoxia, hypoxia, density, END).'}, 'share_url': {'type': 'string', 'description': 'Dive Kit link to a 1-minute plan at this depth.'}, 'margin_min': {'type': ['number', 'null'], 'description': 'With bottom_time_min: minutes to spare (within) or over (over). null: no limit within the model.'}, 'mod_1_4_bar': {'type': 'number', 'description': 'MOD of the gas at 1.4 bar.'}, 'planned_min': {'type': 'number', 'description': 'bottom_time_min, as given.'}, 'safety_notice': {'type': 'string'}, 'spoken_summary': {'type': 'string', 'description': 'A few plain sentences for a voice reply, ending with an offer: digits allowed, no symbols or notation.'}, 'no_stop_minutes': {'type': ['number', 'null'], 'description': 'Minutes at the depth after the descent before a stop is required, at GF high. 0: a stop is already required on arrival. null: no limit within the model.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['quantity', 'value', 'from', 'to'], 'properties': {'to': {'enum': ['bar', 'psi', 'mpa', 'l', 'cuft', 'm', 'ft', 'c', 'f', 'k', 'kg', 'lb', 'l_min', 'cuft_min', 'bar_min', 'psi_min'], 'type': 'string', 'description': 'Unit to convert to, from the same list as from: bar, psi, mpa, l, cuft, m, ft, c, f, k, kg, lb, l_min, cuft_min, bar_min, psi_min.'}, 'from': {'enum': ['bar', 'psi', 'mpa', 'l', 'cuft', 'm', 'ft', 'c', 'f', 'k', 'kg', 'lb', 'l_min', 'cuft_min', 'bar_min', 'psi_min'], 'type': 'string', 'description': 'Unit of value: bar, psi, mpa (pressure); l, cuft (volume); m, ft (depth); c, f, k (temperature); kg, lb (weight); l_min, cuft_min, bar_min, psi_min (breathing_rate).'}, 'value': {'type': 'number', 'maximum': 1000000, 'minimum': -1000000, 'description': 'The figure to convert: 0 or more, except a temperature.'}, 'quantity': {'enum': ['pressure', 'volume', 'depth', 'temperature', 'weight', 'breathing_rate'], 'type': 'string', 'description': 'Kind of figure: pressure, volume, depth, temperature, weight or breathing_rate.'}, 'cylinder_size': {'type': 'number', 'maximum': 60, 'minimum': 0.5, 'description': 'Water volume in litres of the cylinder a bar_min or psi_min rate is read on (both cylinders of a twinset, e.g. 24). Required to convert between a litres rate (l_min, cuft_min) and bar_min or psi_min; bar_min to psi_min needs none.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['quantity', 'value', 'from', 'to', 'result', 'spoken_summary', 'safety_notice'], 'properties': {'to': {'enum': ['bar', 'psi', 'mpa', 'l', 'cuft', 'm', 'ft', 'c', 'f', 'k', 'kg', 'lb', 'l_min', 'cuft_min', 'bar_min', 'psi_min'], 'type': 'string'}, 'from': {'enum': ['bar', 'psi', 'mpa', 'l', 'cuft', 'm', 'ft', 'c', 'f', 'k', 'kg', 'lb', 'l_min', 'cuft_min', 'bar_min', 'psi_min'], 'type': 'string'}, 'note': {'type': 'string'}, 'value': {'type': 'number'}, 'factor': {'type': 'number', 'description': 'Multiply by this to convert (absent for temperature, which has an offset).'}, 'result': {'type': 'number', 'description': 'The converted figure, to 4 decimals.'}, 'quantity': {'enum': ['pressure', 'volume', 'depth', 'temperature', 'weight', 'breathing_rate'], 'type': 'string'}, 'safety_notice': {'type': 'string'}, 'spoken_summary': {'type': 'string', 'description': 'A few plain sentences for a voice reply, ending with an offer: digits allowed, no symbols or notation.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['receiver', 'donor'], 'properties': {'donor': {'type': 'object', 'required': ['oxygen_pct', 'pressure'], 'properties': {'preset': {'enum': ['al80', 'al40', 'al63', 'hp80', 'hp100', 'hp120', 'lp85', 's80', 'single_10l', 'single_12l', 'single_15l', 'twin_10l', 'twin_12l', 'twin_15l', 'stage_11l', 'stage_7l', 'o2_3l', 'dil_3l'], 'type': 'string', 'description': 'A common cylinder instead of cylinder_size, as in plan_dive: al80, al40, al63, hp80, hp100, hp120, lp85, s80, single_10l, single_12l, single_15l, twin_10l, twin_12l, twin_15l, stage_11l, stage_7l, o2_3l, dil_3l. twin_ presets are a manifolded pair.'}, 'twinset': {'type': 'boolean', 'description': "true for two cylinders on a manifold, filled or breathed together: doubles the volume. Default: the preset's, else false."}, 'pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': 'Gauge pressure now (bar or psi, per units), 0 to 500 bar (7252 psi).'}, 'helium_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Helium % now, 0 to 100. Default 0.'}, 'oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Oxygen % of the gas in the cylinder now, as analysed, 0 to 100. Air is 21; an empty cylinder is 21 at pressure 0.'}, 'cylinder_size': {'type': 'number', 'maximum': 400, 'minimum': 0.5, 'description': "Metric: water volume of ONE cylinder in litres, the number stamped on the neck. Imperial: rated capacity in ft³ at rated_pressure (an AL80 is 77.4). Default: the preset's, else an AL80 (11.1 L)."}, 'rated_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 725, 'description': "Imperial only: the psi the capacity is rated at. Default: the preset's, else 3000. Ignored on metric."}}, 'description': 'The cylinder the gas comes from: analysed mix, gauge pressure, size.', 'additionalProperties': False}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'target': {'type': 'object', 'required': ['oxygen_pct'], 'properties': {'helium_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Helium % wanted in the receiver. Default 0.'}, 'oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Oxygen % wanted in the receiver.'}}, 'description': 'A mix to aim the receiver at; the result says where to close the valve, or why it is out of reach.', 'additionalProperties': False}, 'altitude': {'type': 'number', 'maximum': 32800, 'minimum': 0, 'description': 'Altitude (m or ft, per units), 0 to 10000 m (32800 ft). Lowers the surface pressure the math adds to gauge readings. Default 0.'}, 'receiver': {'type': 'object', 'required': ['oxygen_pct', 'pressure'], 'properties': {'preset': {'enum': ['al80', 'al40', 'al63', 'hp80', 'hp100', 'hp120', 'lp85', 's80', 'single_10l', 'single_12l', 'single_15l', 'twin_10l', 'twin_12l', 'twin_15l', 'stage_11l', 'stage_7l', 'o2_3l', 'dil_3l'], 'type': 'string', 'description': 'A common cylinder instead of cylinder_size, as in plan_dive: al80, al40, al63, hp80, hp100, hp120, lp85, s80, single_10l, single_12l, single_15l, twin_10l, twin_12l, twin_15l, stage_11l, stage_7l, o2_3l, dil_3l. twin_ presets are a manifolded pair.'}, 'twinset': {'type': 'boolean', 'description': "true for two cylinders on a manifold, filled or breathed together: doubles the volume. Default: the preset's, else false."}, 'pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': 'Gauge pressure now (bar or psi, per units), 0 to 500 bar (7252 psi).'}, 'helium_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Helium % now, 0 to 100. Default 0.'}, 'oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Oxygen % of the gas in the cylinder now, as analysed, 0 to 100. Air is 21; an empty cylinder is 21 at pressure 0.'}, 'cylinder_size': {'type': 'number', 'maximum': 400, 'minimum': 0.5, 'description': "Metric: water volume of ONE cylinder in litres, the number stamped on the neck. Imperial: rated capacity in ft³ at rated_pressure (an AL80 is 77.4). Default: the preset's, else an AL80 (11.1 L)."}, 'rated_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 725, 'description': "Imperial only: the psi the capacity is rated at. Default: the preset's, else 3000. Ignored on metric."}}, 'description': 'The cylinder being topped up: analysed mix, gauge pressure, size.', 'additionalProperties': False}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['units', 'feasible', 'settled_pressure', 'receiver', 'donor', 'gas_moved_pressure', 'equalized_mix', 'warnings', 'notes', 'spoken_summary', 'safety_notice'], 'properties': {'plan': {'type': 'object', 'required': ['reachable', 'reason_code', 'reason', 'stop_pressure', 'achieved', 'donor_leftover'], 'properties': {'reason': {'type': 'string'}, 'achieved': {'type': 'object', 'required': ['oxygen_pct', 'helium_pct'], 'properties': {'helium_pct': {'type': 'number'}, 'oxygen_pct': {'type': 'number'}}, 'additionalProperties': False}, 'reachable': {'type': 'boolean'}, 'reason_code': {'type': 'string'}, 'stop_pressure': {'type': 'number', 'description': "Close the valve when the receiver's gauge reads this."}, 'donor_leftover': {'type': 'number'}}, 'additionalProperties': False}, 'donor': {'type': 'object', 'required': ['role', 'pressure_before', 'pressure_after', 'oxygen_pct_after', 'helium_pct_after'], 'properties': {'role': {'enum': ['received', 'donated', 'unchanged'], 'type': 'string'}, 'pressure_after': {'type': 'number'}, 'pressure_before': {'type': 'number'}, 'helium_pct_after': {'type': 'number'}, 'oxygen_pct_after': {'type': 'number'}}, 'additionalProperties': False}, 'notes': {'type': 'array', 'items': {'type': 'string'}}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'feasible': {'type': 'boolean'}, 'receiver': {'type': 'object', 'required': ['role', 'pressure_before', 'pressure_after', 'oxygen_pct_after', 'helium_pct_after'], 'properties': {'role': {'enum': ['received', 'donated', 'unchanged'], 'type': 'string'}, 'pressure_after': {'type': 'number'}, 'pressure_before': {'type': 'number'}, 'helium_pct_after': {'type': 'number'}, 'oxygen_pct_after': {'type': 'number'}}, 'additionalProperties': False}, 'warnings': {'type': 'array', 'items': {'type': 'string'}}, 'equalized_mix': {'type': 'object', 'required': ['oxygen_pct', 'helium_pct'], 'properties': {'helium_pct': {'type': 'number'}, 'oxygen_pct': {'type': 'number'}}, 'description': "The receiver's mix at full equalization.", 'additionalProperties': False}, 'safety_notice': {'type': 'string'}, 'spoken_summary': {'type': 'string', 'description': 'A few plain sentences for a voice reply, ending with an offer: digits allowed, no symbols or notation.'}, 'settled_pressure': {'type': 'number', 'description': 'Where both gauges meet if the valve stays open.'}, 'gas_moved_pressure': {'type': 'number', 'description': "How far the receiver's gauge rose."}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['levels', 'cylinders'], 'properties': {'ccr': {'type': 'object', 'properties': {'o2_size': {'type': 'number', 'maximum': 400, 'minimum': 0, 'description': 'Oxygen cylinder: litres (metric) or ft³ rated at 3000 psi (imperial). Default 3 L.'}, 'setpoints': {'type': 'object', 'properties': {'deco': {'type': 'number', 'maximum': 1.6, 'minimum': 0.4, 'description': 'Deco setpoint in bar, used where ccr_deco_schedule has no step. Default 1.4.'}, 'bottom': {'type': 'number', 'maximum': 1.6, 'minimum': 0.4, 'description': 'Bottom setpoint in bar, the level default. Default 1.0.'}, 'descent': {'type': 'number', 'maximum': 1.6, 'minimum': 0.4, 'description': 'Descent setpoint in bar. Default 0.7.'}}, 'description': 'Loop setpoints in bar.', 'additionalProperties': False}, 'loop_volume': {'type': 'number', 'maximum': 15, 'minimum': 2, 'description': 'Loop volume, litres in both unit systems, 2 to 15. Default 6.'}, 'diluent_size': {'type': 'number', 'maximum': 400, 'minimum': 0, 'description': 'Diluent cylinder: litres (metric) or ft³ rated at 3000 psi (imperial). Default 3 L.'}, 'o2_start_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': 'Oxygen cylinder fill (bar or psi). Default 232 bar (3365 psi).'}, 'diluent_helium_pct': {'type': 'number', 'maximum': 95, 'minimum': 0, 'description': 'Onboard diluent helium percent. Default 0.'}, 'diluent_oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 5, 'description': 'Onboard diluent oxygen percent. Default 21.'}, 'descent_switch_depth': {'type': 'number', 'maximum': 660, 'minimum': 0, 'description': 'Depth (m or ft) where the descent setpoint hands over to bottom, first descent only. Default 18 m (60 ft).'}, 'diluent_breathable_oc': {'type': 'boolean', 'description': 'true if the BOV or a regulator can breathe the onboard diluent open circuit. It then joins the bailout pool last. Default false.'}, 'diluent_start_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': 'Diluent cylinder fill (bar or psi). Default 232 bar (3365 psi).'}}, 'description': 'The rebreather (mode ccr only).', 'additionalProperties': False}, 'mode': {'enum': ['oc', 'ccr'], 'type': 'string', 'description': 'oc (open circuit, default) or ccr (closed-circuit rebreather). Set ccr for every rebreather plan: the ccr, ccr_deco_schedule, ccr_dilout_switches and bailout fields need it. On ccr, `cylinders` are the open-circuit bailout gases; the rig itself is in `ccr`.'}, 'ppo2': {'type': 'object', 'properties': {'min': {'type': 'number', 'maximum': 0.21, 'minimum': 0.16, 'description': 'Lowest PPOâ\x82\x82 in bar before a hypoxia warning, 0.16 to 0.21. Warnings only. Default 0.18.'}, 'max_all': {'type': 'number', 'maximum': 1.6, 'minimum': 1, 'description': 'One PPOâ\x82\x82 cap in bar for every gas, 1.0 to 1.6 (e.g. 1.4 for recreational nitrox). Sets all three bands; a band field given too wins for its band.'}, 'max_28_to_44pct_o2': {'type': 'number', 'maximum': 1.6, 'minimum': 1, 'description': 'PPOâ\x82\x82 cap in bar for gases from 28% to under 45% Oâ\x82\x82, 1.0 to 1.6. Default 1.5.'}, 'max_under_28pct_o2': {'type': 'number', 'maximum': 1.6, 'minimum': 1, 'description': 'PPOâ\x82\x82 cap in bar for gases under 28% Oâ\x82\x82, 1.0 to 1.6. Sets their MOD and switch depth. Default 1.4.'}, 'max_45pct_o2_and_up': {'type': 'number', 'maximum': 1.6, 'minimum': 1, 'description': 'PPOâ\x82\x82 cap in bar for gases of 45% Oâ\x82\x82 and over, 1.0 to 1.6. Default 1.6.'}}, 'description': 'PPOâ\x82\x82 limits in bar.', 'additionalProperties': False}, 'limit': {'enum': ['reserve', 'tts', 'no_deco'], 'type': 'string', 'description': 'reserve (default): longest time that leaves every cylinder at or above its reserve. tts: longest time whose time to surface fits tts_budget_min. no_deco: longest time with no required stop at GF high (gas is not checked).'}, 'rates': {'type': 'object', 'properties': {'descent': {'type': 'number', 'maximum': 330, 'minimum': 0, 'description': 'Descent rate (m/min or ft/min), 1 to 100 m/min. Default 20 m/min (66 ft/min).'}, 'ascent_deep': {'type': 'number', 'maximum': 330, 'minimum': 0, 'description': 'Ascent rate below rate_change_depth (m/min or ft/min), 1 to 100 m/min. Default 9 m/min (30 ft/min).'}, 'ascent_shallow': {'type': 'number', 'maximum': 330, 'minimum': 0, 'description': 'Ascent rate from rate_change_depth to the surface (m/min or ft/min), 1 to 100 m/min. Default 3 m/min (10 ft/min).'}, 'rate_change_depth': {'type': 'number', 'maximum': 660, 'minimum': 0, 'description': 'Depth where the ascent rate changes (m or ft), 3 to 200 m. Default 6 m (20 ft).'}}, 'description': 'Ascent and descent rates, per units.', 'additionalProperties': False}, 'stops': {'type': 'object', 'properties': {'stop_spacing': {'type': 'number', 'description': 'Distance between stops: 3, 6 or 9 m; 10, 20 or 30 ft. Default 3 m (10 ft).'}, 'time_rounding': {'enum': ['1s', '30s', '1min'], 'type': 'string', 'description': '1s, 30s or 1min. Applied inside the engine; a stop is never shorter than the obligation. Default 1min.'}, 'last_stop_depth': {'type': 'number', 'description': 'Final stop depth: 3, 4.5 or 6 m; 10, 15 or 20 ft. Default 6 m (20 ft).'}}, 'description': 'Stop grid and stop-time rounding.', 'additionalProperties': False}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, L/min, °C) or imperial (ft, psi, ft³, ft³/min, °F). Applies to every input and output value except PPOâ\x82\x82/setpoints (bar), mixes (%), density (g/L). Default metric.'}, 'levels': {'type': 'array', 'items': {'type': 'object', 'required': ['depth', 'bottom_time_min'], 'properties': {'gas': {'type': 'string', 'maxLength': 12, 'description': 'Cylinder id this level breathes, or "auto" (default): the richest gas legal at this depth by PPOâ\x82\x82 cap, hypoxic floor and density limit. On ccr, auto means the loop on the onboard diluent.'}, 'depth': {'type': 'number', 'maximum': 700, 'minimum': 0, 'description': 'Level depth (m or ft, per units). 1 to 200 m (3 to 650 ft). Required.'}, 'breathe': {'enum': ['loop', 'oc'], 'type': 'string', 'description': 'ccr only. loop (default) or oc: dive this level open circuit on `gas`.'}, 'diluent': {'type': 'string', 'maxLength': 12, 'description': 'ccr only. "onboard" (default) or a cylinder id to breathe through the loop as a dilout on this level.'}, 'setpoint': {'type': 'number', 'maximum': 1.6, 'minimum': 0.4, 'description': 'ccr only. Loop PPOâ\x82\x82 for this level in bar, 0.4 to 1.6. Default ccr.setpoints.bottom.'}, 'bottom_time_min': {'type': 'number', 'maximum': 360, 'minimum': 0, 'description': 'Minutes at this depth, excluding the descent to it (unless behavior.include_travel_in_level_time is true). 0 to 360. 0 = arrival only: passes through this depth on this gas, used for a no-stop check or a travel-gas leg. Required.'}}, 'additionalProperties': False}, 'maxItems': 20, 'minItems': 1, 'description': 'Dive levels in the order dived, 1 to 20. The first is level_number 1.'}, 'bailout': {'type': 'object', 'properties': {'view': {'enum': ['loop', 'end_of_profile', 'after_level', 'at_run_time', 'on_ascent'], 'type': 'string', 'description': 'ccr: which ascent the table shows. loop (default), end_of_profile, after_level, at_run_time, on_ascent. The worst-case bailout check runs on every view.'}, 'depth': {'type': 'number', 'maximum': 660, 'minimum': 0, 'description': 'For on_ascent: depth (m or ft) the diver leaves the loop on the final ascent.'}, 'level_number': {'type': 'integer', 'maximum': 20, 'minimum': 1, 'description': 'For after_level: the level (1-based) the diver bails at the end of.'}, 'run_time_min': {'type': 'number', 'maximum': 1000, 'minimum': 0, 'description': 'For at_run_time: minutes on the Run clock.'}}, 'description': 'ccr only: the bailout view.', 'additionalProperties': False}, 'reserve': {'type': 'object', 'properties': {'rule': {'enum': ['thirds', 'fourths', 'fifths', 'sixths', 'fixed'], 'type': 'string', 'description': 'thirds, fourths, fifths, sixths or fixed. Default thirds. Below 50 bar (725 psi) is always critical.'}, 'fixed_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': 'Reserve for rule fixed (bar or psi, per units). Default 50 bar (725 psi).'}}, 'description': 'Gas reserve rule. Moves the gas status and warnings, never the stops.', 'additionalProperties': False}, 'audience': {'enum': ['beginner', 'recreational', 'technical'], 'type': 'string', 'description': 'Optional: who the answer is for, from the conversation. beginner: new to deco, plain words. recreational (default): some training. technical: trained deco or CCR diver, terms and tables. Shapes the wording only, never a number.'}, 'behavior': {'type': 'object', 'properties': {'o2_narcotic': {'type': 'boolean', 'description': 'Count oxygen in END. END and warnings only. Default false.'}, 'stay_on_loop': {'type': 'boolean', 'description': 'ccr: true (default) keeps the whole ascent on the loop; false lets an OC deco gas take over where its PPOâ\x82\x82 is higher. Not carried in share links.'}, 'include_travel_in_level_time': {'type': 'boolean', 'description': 'true: level time includes the descent to it (dive-computer runtime style). Default false.'}}, 'description': 'Profile and model switches.', 'additionalProperties': False}, 'scenario': {'type': 'string', 'maxLength': 40, 'description': 'Search so this one scenario still meets the limit: deeper_3m, deeper_5m (imperial: deeper_10ft, deeper_20ft), longer_3min, longer_5min, deeper_and_longer_3, deeper_and_longer_5, lost:<cylinder id>, custom:<name>, or a variant (gf:40/85, last_stop:3, stop_rounding:30s). Default base. The answer is still a base-plan bottom time.'}, 'cylinders': {'type': 'array', 'items': {'type': 'object', 'required': ['id', 'oxygen_pct'], 'properties': {'id': {'type': 'string', 'maxLength': 12, 'minLength': 1, 'description': 'Short name used by levels and contingencies, 1 to 12 letters, digits, _ or -, e.g. back, s50, o2. Unique.'}, 'preset': {'enum': ['al80', 'al40', 'al63', 'hp80', 'hp100', 'hp120', 'lp85', 's80', 'single_10l', 'single_12l', 'single_15l', 'twin_10l', 'twin_12l', 'twin_15l', 'stage_11l', 'stage_7l', 'o2_3l', 'dil_3l'], 'type': 'string', 'description': 'A common cylinder instead of cylinder_size, rated_pressure, twinset and the fill (explicit fields win). al80/s80: aluminium 80, 11.1 L, 3000 psi. al40, al63: aluminium 40/63, 3000 psi. hp80, hp100, hp120: US high-pressure steel, 3442 psi. lp85: US low-pressure steel, 2640 psi. single_10l, single_12l, single_15l: one EU steel cylinder at 232 bar. twin_10l, twin_12l, twin_15l: back-mounted doubles, 232 bar each. stage_11l: aluminium stage (AL80 size), 200 bar. stage_7l: 7 L stage, 200 bar. o2_3l, dil_3l: 3 L rebreather cylinder, 232 bar.'}, 'twinset': {'type': 'boolean', 'description': "true for back-mounted doubles or a sidemount pair breathed as one supply: doubles the gas at the same pressure. Default: the preset's, else false."}, 'helium_pct': {'type': 'number', 'maximum': 95, 'minimum': 0, 'description': 'Helium percent, 0 to 95, oxygen_pct + helium_pct at most 100. Trimix 18/45 is 45. Default 0.'}, 'oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 5, 'description': 'Oxygen percent, 5 to 100. Air is 21, EANx50 is 50, trimix 18/45 is 18.'}, 'cylinder_size': {'type': 'number', 'maximum': 400, 'minimum': 0, 'description': '12 = one 12 L cylinder (metric). 77.4 = an AL80 in ft³ (imperial, with rated_pressure 3000). Metric: water volume of ONE cylinder in litres, the number stamped on the neck, 1 to 25.5. Imperial: rated capacity in ft³ from the spec sheet (an AL80 holds less than its name), 1 to 400. Or pass preset. Default with neither: an AL80 (11.1 L, 77.4 ft³ at 3000 psi).'}, 'rated_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': "Imperial only: the working pressure the capacity is rated at, psi, 725 to 7252 (3000 for an AL80). Default: the preset's, else 3000. Ignored on metric."}, 'start_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': "Pressure in the cylinder at the start of the dive (bar or psi, per units), 0 to 500 bar (0 to 7252 psi). Default: the preset's fill, else 206.84 bar (3000 psi)."}, 'reserve_pressure': {'type': 'number', 'maximum': 4351, 'minimum': 0, 'description': 'Custom reserve for this cylinder (bar or psi, per units), 5 to 300 bar (50 to 4351 psi). Default: the reserve rule. Moves warnings and find_max_bottom_time, never the stops.'}, 'exclude_from_deco': {'type': 'boolean', 'description': 'true keeps this cylinder out of automatic ascent switching (pony, buddy bottle). Still priced; a level can still name it. Default false.'}}, 'additionalProperties': False}, 'maxItems': 10, 'minItems': 1, 'description': 'Every open-circuit cylinder carried: back gas, stages, deco gases; on ccr, bailout gases. 1 to 10. Give preset or cylinder_size and start_pressure when known; omitted ones default (an AL80, 11.1 L at 3000 psi) and the result marks them.'}, 'modifiers': {'type': 'object', 'properties': {'deco_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Deco SAC override for the whole plan (L/min or ft³/min). Default gas_consumption.deco_sac.'}, 'delay_min': {'type': 'number', 'maximum': 60, 'minimum': 0, 'description': 'A hold at depth before the ascent starts, 0 to 60 minutes. Moves the schedule. Default 0.'}, 'stress_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Hard-breathing surface rate, SAC (L/min or ft³/min, per units), from the end of the bottom (on bailout: from leaving the loop), gas only. Needs stress_minutes or stress_whole_ascent.'}, 'working_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Working SAC override for the whole plan (L/min or ft³/min). Default gas_consumption.working_sac.'}, 'stress_minutes': {'type': 'number', 'maximum': 60, 'minimum': 1, 'description': 'Minutes the stress_sac burst lasts, 1 to 60.'}, 'stress_whole_ascent': {'type': 'boolean', 'description': 'true: the stress_sac burst lasts to the surface. Default false.'}}, 'description': 'Plan modifiers: a stress breathing burst (gas only) and a delay before the ascent (moves the schedule).', 'additionalProperties': False}, 'plan_name': {'type': 'string', 'description': 'Short human label shown in the approval card; fill it first, e.g. 40m 20min air+EANx50. Also titles the plan table and share link, which keep its first 24 characters (a longer name is cut, never refused).'}, 'gas_switch': {'type': 'object', 'properties': {'switch_at': {'enum': ['mod', 'stop'], 'type': 'string', 'description': 'mod: switch at the deco gas MOD (default). stop: at the next stop.'}, 'switch_time_s': {'type': 'number', 'maximum': 300, 'minimum': 0, 'description': 'Seconds held at each OC switch on the old gas, 0 to 300 in 30 s steps. Default 0.'}, 'when_cylinder_empty': {'enum': ['show_shortfall', 'switch_gas'], 'type': 'string', 'description': 'show_shortfall (default): stay on it and report how much more gas is needed. switch_gas: move to the richest safe gas left.'}}, 'description': 'Gas switching.', 'additionalProperties': False}, 'repetitive': {'type': 'object', 'required': ['surface_interval_min'], 'properties': {'previous_share_url': {'type': 'string', 'maxLength': 8000, 'description': "The share link of the previous dive's plan_dive result. Its tissue loading seeds this dive."}, 'surface_interval_min': {'type': 'number', 'maximum': 1440, 'minimum': 15, 'description': 'Surface interval since the previous dive, 15 to 1440 minutes.'}}, 'description': 'Repetitive dive: the previous dive and the surface interval.', 'additionalProperties': False}, 'descent_gas': {'type': 'string', 'maxLength': 12, 'description': "oc only. Cylinder id of a travel gas for the descent, for a hypoxic bottom mix (e.g. 12/60) that cannot be breathed near the surface. When level 1 is deeper than that gas's MOD, a 0-minute level on it at its MOD (whole m or ft) is added before level 1, and the result numbers that level first. Default none."}, 'environment': {'type': 'object', 'properties': {'water': {'enum': ['salt', 'fresh', 'en13319', 'red_sea'], 'type': 'string', 'description': 'Water type, from its density: en13319 (EN 13319, the dive computer standard) 10.00 m per bar, salt 9.95, fresh 10.20, red_sea 9.92. Default en13319.'}, 'altitude': {'type': 'number', 'maximum': 32800, 'minimum': 0, 'description': 'Surface altitude (m or ft, per units), 0 to 10000 m (0 to 32800 ft). Default 0.'}, 'temperature': {'type': 'number', 'maximum': 104, 'minimum': -2, 'description': 'Water temperature for gas density only, -2 to 40 °C (28 to 104 °F). Never moves stops. Default 15 °C (59 °F).'}}, 'description': 'Water and altitude.', 'additionalProperties': False}, 'level_number': {'type': 'integer', 'maximum': 20, 'minimum': 1, 'description': '1-based level to extend. Default the deepest (last on a tie).'}, 'contingencies': {'type': 'array', 'items': {'type': 'object', 'required': ['name'], 'properties': {'name': {'type': 'string', 'maxLength': 24, 'minLength': 1, 'description': 'Name of this contingency, 1 to 24 characters. Request it with scenarios "custom:<name>". Unique.'}, 'deco_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Deco SAC for this contingency only (L/min or ft³/min, per units). Default gas_consumption.deco_sac.'}, 'delay_min': {'type': 'number', 'maximum': 60, 'minimum': 0, 'description': 'A hold at depth before the ascent starts, 0 to 60 minutes. Moves the schedule. Default 0.'}, 'stress_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Hard-breathing surface rate, SAC (L/min or ft³/min, per units), from the end of the bottom (on bailout: from leaving the loop), gas only. Needs stress_minutes or stress_whole_ascent.'}, 'working_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Working SAC for this contingency only (L/min or ft³/min, per units). Default gas_consumption.working_sac.'}, 'depth_change': {'type': 'number', 'maximum': 100, 'minimum': -100, 'description': 'Depth added to that level (m or ft, per units), -30 to 30 m (-100 to 100 ft). Default 0.'}, 'level_number': {'type': 'integer', 'maximum': 20, 'minimum': 1, 'description': 'Level number (1-based) the depth and time changes apply to. Default the deepest (last on a tie).'}, 'lost_cylinders': {'type': 'string', 'maxLength': 130, 'description': 'Cylinder ids lost in this contingency, comma-separated, e.g. "s50,o2". Default none.'}, 'stress_minutes': {'type': 'number', 'maximum': 60, 'minimum': 1, 'description': 'Minutes the stress_sac burst lasts, 1 to 60.'}, 'time_change_min': {'type': 'number', 'maximum': 60, 'minimum': -60, 'description': 'Minutes added to that level, -60 to 60. Default 0.'}, 'fails_after_level': {'type': 'integer', 'maximum': 20, 'minimum': 1, 'description': 'Level number (1-based) after which the lost cylinders are gone. Omit: they are never carried.'}, 'stress_whole_ascent': {'type': 'boolean', 'description': 'true: the stress_sac burst lasts to the surface. Default false.'}}, 'additionalProperties': False}, 'maxItems': 6, 'description': 'Custom contingencies, up to 6, each requested with scenarios "custom:<name>" (or "all").'}, 'oxygen_breaks': {'type': 'object', 'properties': {'enabled': {'type': 'boolean', 'description': 'Insert oxygen breaks on high-PPOâ\x82\x82 stops. Default false.'}, 'min_ppo2': {'type': 'number', 'maximum': 1.8, 'minimum': 0.8, 'description': 'PPOâ\x82\x82 in bar at or above which a stop counts toward the break clock, 0.8 to 1.8. Default 1.4.'}, 'o2_minutes': {'type': 'number', 'maximum': 30, 'minimum': 5, 'description': 'Minutes on high PPOâ\x82\x82 before a break, 5 to 30. Default 20.'}, 'apply_on_loop': {'type': 'boolean', 'description': 'ccr: also break on the loop. Not carried in share links. Default false.'}, 'break_minutes': {'type': 'number', 'maximum': 10, 'minimum': 1, 'description': 'Break length in minutes, 1 to 10. Default 5.'}, 'loop_setpoint': {'type': 'number', 'maximum': 1.6, 'minimum': 0.4, 'description': 'ccr: loop setpoint in bar during a break. Default 0.7.'}}, 'description': 'Oxygen breaks.', 'additionalProperties': False}, 'table_columns': {'type': 'object', 'properties': {'cns': {'type': 'boolean', 'description': 'Add a running CNS column. Default false.'}, 'gas_remaining': {'type': 'boolean', 'description': 'Add a gas-remaining column (bar or psi). Default false.'}}, 'description': 'Extra table columns. PPOâ\x82\x82 is always shown.', 'additionalProperties': False}, 'tts_budget_min': {'type': 'number', 'maximum': 360, 'minimum': 5, 'description': 'For limit tts: the longest acceptable time to surface, 5 to 360 minutes. Required with tts.'}, 'gas_consumption': {'type': 'object', 'properties': {'deco_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'SAC from the first stop up (L/min or ft³/min). Default 15 L/min (0.53 ft³/min). Gas figures only.'}, 'working_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Surface air consumption (SAC, also called RMV) for descent, bottom and the deep ascent (L/min or ft³/min, per units), 1 to 200 L/min (0.05 to 7.1 ft³/min). Default 20 L/min (0.71 ft³/min). Gas figures only.'}, 'ccr_metabolic_o2': {'type': 'number', 'maximum': 2, 'minimum': 0.4, 'description': 'ccr: oxygen the diver metabolises, L/min in both unit systems, 0.4 to 2.0. Default 0.85.'}}, 'description': 'Breathing rates.', 'additionalProperties': False}, 'gradient_factors': {'type': 'object', 'properties': {'low': {'type': 'number', 'maximum': 100, 'minimum': 10, 'description': 'GF low, percent, 10 to 100. Sets the first stop depth. Default 50.'}, 'high': {'type': 'number', 'maximum': 100, 'minimum': 10, 'description': 'GF high, percent, 10 to 100. Sets the shallow stops and surfacing margin. Default 80.'}}, 'description': 'Gradient factors. Lower is more conservative. Default 50/80. If high cannot surface the plan, the engine raises it and warns.', 'additionalProperties': False}, 'ccr_deco_schedule': {'type': 'array', 'items': {'type': 'object', 'required': ['depth', 'setpoint'], 'properties': {'depth': {'type': 'number', 'maximum': 660, 'minimum': 0, 'description': 'Depth (m or ft): the step applies at this depth and shallower.'}, 'setpoint': {'type': 'number', 'maximum': 1.6, 'minimum': 0.4, 'description': 'Setpoint in bar.'}}, 'additionalProperties': False}, 'maxItems': 10, 'description': 'ccr deco setpoint steps, up to 10. Default [40 m: 1.5, 23 m: 1.6]. Send [] for the single ccr.setpoints.deco.'}, 'warning_thresholds': {'type': 'object', 'properties': {'otu': {'type': 'number', 'maximum': 500, 'minimum': 200, 'description': 'OTU warning, 200 to 500. Default 300.'}, 'cns_pct': {'type': 'number', 'maximum': 100, 'minimum': 50, 'description': 'CNS percent warning, 50 to 100. Default 80.'}, 'end_max': {'type': 'number', 'maximum': 330, 'minimum': 0, 'description': 'Highest END before a warning (m or ft, per units), 20 to 100 m. Default 30 m (100 ft).'}, 'density_warning': {'type': 'number', 'maximum': 8, 'minimum': 3, 'description': 'Gas density warning in g/L, 3 to 8. Default 5.2.'}, 'density_critical': {'type': 'number', 'maximum': 8, 'minimum': 3, 'description': 'Gas density critical in g/L, 3 to 8; also vetoes a gas in auto. Default 6.2.'}}, 'description': 'Warning thresholds. Warnings only, never the stops.', 'additionalProperties': False}, 'ccr_dilout_switches': {'type': 'array', 'items': {'type': 'object', 'required': ['depth', 'cylinder'], 'properties': {'depth': {'type': 'number', 'maximum': 660, 'minimum': 0, 'description': 'Depth (m or ft): the switch applies at this depth and shallower.'}, 'cylinder': {'type': 'string', 'maxLength': 12, 'description': 'Cylinder id breathed as diluent, or "onboard" to switch back.'}}, 'additionalProperties': False}, 'maxItems': 6, 'description': 'ccr: at each depth and shallower, the loop breathes that cylinder as diluent (a dilout). Up to 6. Default none.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['units', 'kind', 'limit', 'level_number', 'planned_min', 'probes', 'presentation', 'spoken_summary', 'safety_notice'], 'properties': {'kind': {'enum': ['solved', 'range', 'infeasible_at_minimum', 'unbounded', 'no_answer'], 'type': 'string'}, 'limit': {'enum': ['reserve', 'tts', 'no_deco'], 'type': 'string'}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'probes': {'type': 'number', 'description': 'Engine runs spent.'}, 'tts_min': {'type': 'number', 'description': 'TTS at the answer (or at the floor for infeasible_at_minimum).'}, 'from_min': {'type': 'number', 'description': 'range: shortest bottom time whose TTS fits the budget.'}, 'time_min': {'type': 'number', 'description': 'solved: longest whole minute that meets the limit.'}, 'delta_min': {'type': 'number', 'description': 'time_min (or from_min) minus planned_min.'}, 'share_url': {'type': 'string', 'description': 'Dive Kit link to the plan at the answer.'}, 'shortfall': {'type': 'number', 'description': 'infeasible_at_minimum: how far below its reserve the binding cylinder ends (bar or psi).'}, 'up_to_min': {'type': 'number', 'description': 'range: longest bottom time that meets the budget and every reserve.'}, 'cns_flagged': {'type': 'boolean', 'description': 'CNS or OTU crosses its warning threshold at the answer. Never caps it.'}, 'planned_min': {'type': 'number', 'description': 'Bottom time on that level in the input.'}, 'level_number': {'type': 'number', 'description': '1-based level searched.'}, 'presentation': {'type': 'array', 'items': {'type': 'string'}}, 'safety_notice': {'type': 'string'}, 'spoken_summary': {'type': 'string', 'description': 'The answer and what sets it, to read aloud: no symbols or notation.'}, 'table_markdown': {'type': 'string', 'description': 'Plan table at the answer (solved: time_min; range: from_min).'}, 'reserve_flagged': {'type': 'boolean', 'description': 'tts mode: the answer leaves a cylinder under its reserve.'}, 'up_to_bounded_by': {'enum': ['gas', 'ascent'], 'type': 'string'}, 'binding_cylinder_id': {'type': 'string', 'description': 'Cylinder with the least headroom above its reserve.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['oxygen_pct'], 'properties': {'depth': {'type': 'number', 'maximum': 1000, 'minimum': 0, 'description': 'Depth in m (metric) or ft (imperial) where to report PPOâ\x82\x82, END, EAD and gas density. Omit for MOD and minimum depth only.'}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'water': {'enum': ['salt', 'fresh', 'en13319', 'red_sea'], 'type': 'string', 'description': 'Water type, from its density: en13319 (EN 13319, the dive computer standard) 10.00 m per bar, salt 9.95, fresh 10.20, red_sea 9.92. Default en13319.'}, 'altitude': {'type': 'number', 'maximum': 32800, 'minimum': 0, 'description': 'Surface altitude (m or ft, per units), 0 to 10000 m (32800 ft). Lowers the surface pressure depths are measured from. Default 0.'}, 'ppo2_max': {'type': 'number', 'maximum': 1.6, 'minimum': 1, 'description': 'PPOâ\x82\x82 limit in bar for the MOD, 1.0 to 1.6. Default: the Dive Kit band cap for the mix (1.4 under 28% Oâ\x82\x82, 1.5 to under 45%, 1.6 at 45% and over). The MOD at 1.4 bar is always shown too.'}, 'helium_pct': {'type': 'number', 'maximum': 95, 'minimum': 0, 'description': 'Helium percentage of the mix, 0 to 95. Default 0 (nitrox or air).'}, 'oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 5, 'description': 'Oxygen percentage of the mix, 5 to 100. Example: 32 for EANx32, 18 for 18/45. Required.'}, 'o2_narcotic': {'type': 'boolean', 'description': 'Count oxygen as narcotic in the END. Default false (Dive Kit default).'}, 'temperature': {'type': 'number', 'maximum': 104, 'minimum': -2, 'description': 'Water temperature for gas density, in °C (metric, -2 to 40) or °F (imperial, 28 to 104). Default 15 °C.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['units', 'notation', 'mod', 'min_depth', 'cap_used_bar', 'spoken_summary', 'safety_notice'], 'properties': {'mod': {'type': 'number', 'description': 'Maximum operating depth at cap_used_bar, floored to 0.1.'}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'caution': {'type': 'string', 'description': 'The most important caution at depth, if any.'}, 'at_depth': {'type': 'object', 'required': ['ppo2', 'end', 'density_g_l'], 'properties': {'ead': {'type': 'number', 'description': 'Equivalent air depth (nitrox only).'}, 'end': {'type': 'number', 'description': 'Equivalent narcotic depth.'}, 'ppo2': {'type': 'number', 'description': 'PPOâ\x82\x82 in bar.'}, 'density_g_l': {'type': 'number', 'description': 'Gas density in g/L.'}}, 'additionalProperties': False}, 'notation': {'type': 'string', 'description': 'Mix as Oâ\x82\x82/He, e.g. 18/45.'}, 'min_depth': {'type': 'number', 'description': 'Shallowest depth where PPOâ\x82\x82 reaches 0.16 bar; 0 for normoxic mixes.'}, 'mod_1_4_bar': {'type': 'number', 'description': 'MOD at 1.4 bar, the common working limit, when cap_used_bar is not 1.4.'}, 'cap_used_bar': {'type': 'number', 'description': 'PPOâ\x82\x82 limit the MOD uses.'}, 'safety_notice': {'type': 'string'}, 'spoken_summary': {'type': 'string', 'description': 'A few plain sentences for a voice reply, ending with an offer: digits allowed, no symbols or notation.'}, 'nearest_standard_mix': {'type': 'string', 'description': 'Nearest standard trimix by composition (closest Oâ\x82\x82 and He), for helium mixes. Not checked against any depth limit.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['segments'], 'properties': {'sac': {'type': 'number', 'maximum': 200, 'minimum': 0.03, 'description': 'Surface breathing rate, L/min (ft³/min imperial): the same figure as rmv_sac rmv and plan_dive gas_consumption.working_sac. Default 20 L/min (0.71 ft³/min).'}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'water': {'enum': ['salt', 'fresh', 'en13319', 'red_sea'], 'type': 'string', 'description': 'Water type, from its density: en13319 (EN 13319, the dive computer standard) 10.00 m per bar, salt 9.95, fresh 10.20, red_sea 9.92. Default en13319.'}, 'preset': {'enum': ['al80', 'al40', 'al63', 'hp80', 'hp100', 'hp120', 'lp85', 's80', 'single_10l', 'single_12l', 'single_15l', 'twin_10l', 'twin_12l', 'twin_15l', 'stage_11l', 'stage_7l', 'o2_3l', 'dil_3l'], 'type': 'string', 'description': 'A common cylinder instead of cylinder_size, as in plan_dive: al80, al40, al63, hp80, hp100, hp120, lp85, s80, single_10l, single_12l, single_15l, twin_10l, twin_12l, twin_15l, stage_11l, stage_7l, o2_3l, dil_3l. twin_ presets are a manifolded pair.'}, 'reserve': {'type': 'object', 'properties': {'rule': {'enum': ['thirds', 'fourths', 'fifths', 'sixths', 'fixed'], 'type': 'string', 'description': 'thirds, fourths, fifths, sixths or fixed. Default thirds. Below 50 bar (725 psi) is always critical.'}, 'fixed_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': 'Reserve for rule fixed (bar or psi, per units). Default 50 bar (725 psi).'}}, 'description': 'Reserve the cylinder must keep, as in plan_dive: rule thirds (default), fourths, fifths, sixths or fixed with fixed_pressure.', 'additionalProperties': False}, 'twinset': {'type': 'boolean', 'description': "true for two cylinders on a manifold, filled or breathed together: doubles the volume. Default: the preset's, else false."}, 'altitude': {'type': 'number', 'maximum': 32800, 'minimum': 0, 'description': 'Altitude (m or ft, per units), 0 to 10000 m (32800 ft). Lowers the surface pressure the math adds to gauge readings. Default 0.'}, 'segments': {'type': 'array', 'items': {'type': 'object', 'required': ['depth', 'duration_min'], 'properties': {'sac': {'type': 'number', 'maximum': 200, 'minimum': 0.03, 'description': "This segment's breathing rate when it differs (hard work, a calm stop). Default: the top-level sac."}, 'depth': {'type': 'number', 'maximum': 1000, 'minimum': 0, 'description': 'Depth of this segment (m or ft).'}, 'duration_min': {'type': 'number', 'maximum': 600, 'minimum': 0.1, 'description': 'Minutes at this depth, 0.1 to 600.'}}, 'additionalProperties': False}, 'maxItems': 20, 'minItems': 1, 'description': 'The profile in order, one entry per depth. Put descent and ascent time into the nearest segment.'}, 'cylinder_size': {'type': 'number', 'maximum': 400, 'minimum': 0.5, 'description': "Metric: water volume of ONE cylinder in litres, the number stamped on the neck. Imperial: rated capacity in ft³ at rated_pressure (an AL80 is 77.4). Default: the preset's, else an AL80 (11.1 L)."}, 'rated_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 725, 'description': "Imperial only: the psi the capacity is rated at. Default: the preset's, else 3000. Ignored on metric."}, 'start_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': "Fill at the start (bar or psi, per units). Default: the preset's fill, else 206.84 bar (3000 psi)."}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['units', 'water', 'cylinder', 'sac', 'segments', 'total_gas_volume', 'total_gas_pressure', 'remaining_pressure', 'used_pct', 'reserve_pressure', 'turn_pressure', 'status', 'minutes_left_at_last_depth', 'assumptions', 'spoken_summary', 'safety_notice'], 'properties': {'sac': {'type': 'number'}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'water': {'enum': ['salt', 'fresh', 'en13319', 'red_sea'], 'type': 'string', 'description': 'Water type, from its density: en13319 (EN 13319, the dive computer standard) 10.00 m per bar, salt 9.95, fresh 10.20, red_sea 9.92. Default en13319.'}, 'status': {'enum': ['ok', 'below_reserve', 'critical', 'out_of_gas'], 'type': 'string'}, 'cylinder': {'type': 'object', 'required': ['cylinder_size', 'twinset', 'start_pressure', 'free_gas_volume'], 'properties': {'preset': {'type': 'string'}, 'twinset': {'type': 'boolean'}, 'cylinder_size': {'type': 'number', 'description': 'L of water (metric) or rated ft³ (imperial), one cylinder.'}, 'rated_pressure': {'type': 'number'}, 'start_pressure': {'type': 'number'}, 'free_gas_volume': {'type': 'number', 'description': 'Gas the full cylinder delivers down to a gauge of 0, at the surface pressure for the altitude, real gas (L or ft³).'}}, 'additionalProperties': False}, 'segments': {'type': 'array', 'items': {'type': 'object', 'required': ['depth', 'duration_min', 'sac', 'gas_used_volume', 'gas_used_pressure', 'cumulative_volume', 'remaining_pressure', 'runtime_min', 'status'], 'properties': {'sac': {'type': 'number'}, 'depth': {'type': 'number'}, 'status': {'enum': ['ok', 'below_reserve', 'critical', 'out_of_gas'], 'type': 'string'}, 'runtime_min': {'type': 'number'}, 'duration_min': {'type': 'number'}, 'gas_used_volume': {'type': 'number'}, 'cumulative_volume': {'type': 'number'}, 'gas_used_pressure': {'type': 'number'}, 'remaining_pressure': {'type': 'number'}}, 'additionalProperties': False}}, 'used_pct': {'type': 'number'}, 'assumptions': {'type': 'array', 'items': {'type': 'string'}}, 'safety_notice': {'type': 'string'}, 'turn_pressure': {'type': 'number', 'description': 'There-and-back: turn when the gauge reads this; half the usable gas is then gone.'}, 'spoken_summary': {'type': 'string', 'description': 'A few plain sentences for a voice reply, ending with an offer: digits allowed, no symbols or notation.'}, 'reserve_pressure': {'type': 'number'}, 'total_gas_volume': {'type': 'number'}, 'remaining_pressure': {'type': 'number'}, 'total_gas_pressure': {'type': 'number'}, 'first_segment_below_turn': {'type': 'number', 'description': '1-based segment that ends under the turn pressure.'}, 'minutes_left_at_last_depth': {'type': 'number', 'description': "More minutes at the last segment's depth and rate before the cylinder is empty (no reserve kept)."}, 'first_segment_below_reserve': {'type': 'number', 'description': '1-based segment that ends under the reserve.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['topic'], 'properties': {'topic': {'enum': ['start_here', 'workflow', 'tool_chains', 'inputs_reference', 'glossary', 'glossary_equipment', 'deco_theory', 'gradient_factors', 'gas_selection', 'gas_planning', 'gas_consumption', 'gas_blending', 'blending_continuous_and_decant', 'buoyancy_and_weighting', 'ccr', 'bailout_and_contingencies', 'warnings', 'repetitive_dives', 'worked_examples', 'why_plans_differ', 'conventions', 'limits_and_safety', 'sources'], 'type': 'string', 'description': 'Guide section to return. Pick glossary for what a word means, deco_theory for how the model works, limits_and_safety for "is it safe". start_here: index of the guide and tools. workflow: how a planning conversation runs and what plan_dive needs. tool_chains: how one tool\'s result feeds the next, six recipes. inputs_reference: every input with unit, default and range. glossary: diver words, abbreviations and plan-table marks mapped to plain meaning and to fields. glossary_equipment: cylinders, rigs and every cylinders[].preset id with its size and fill. deco_theory: Bühlmann ZH-L16C and decompression basics. gradient_factors: what GF low/high do. gas_selection: choosing bottom and deco gases. gas_planning: gas volumes, reserves and turn pressure. gas_consumption: breathing rate (SAC, RMV), rmv_sac and gas_usage. gas_blending: plan_blend, mix_result and fill-station practice. blending_continuous_and_decant: blend_continuous and decant. buoyancy_and_weighting: buoyancy_check, weighting and failure cases. ccr: closed-circuit rebreather planning. bailout_and_contingencies: bailout and lost-gas plans. warnings: every warning and what it means. repetitive_dives: surface intervals and residual loading. worked_examples: complete example plans. why_plans_differ: why planners disagree. conventions: why Dive Kit numbers differ from textbook formulas. limits_and_safety: what this server does not do. sources: references.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['topic', 'markdown'], 'properties': {'topic': {'enum': ['start_here', 'workflow', 'tool_chains', 'inputs_reference', 'glossary', 'glossary_equipment', 'deco_theory', 'gradient_factors', 'gas_selection', 'gas_planning', 'gas_consumption', 'gas_blending', 'blending_continuous_and_decant', 'buoyancy_and_weighting', 'ccr', 'bailout_and_contingencies', 'warnings', 'repetitive_dives', 'worked_examples', 'why_plans_differ', 'conventions', 'limits_and_safety', 'sources'], 'type': 'string'}, 'markdown': {'type': 'string'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {'id': {'type': 'string', 'maxLength': 80, 'description': 'Exact certification id from an earlier result, e.g. cert-padi-tec-45.'}, 'query': {'type': 'string', 'maxLength': 100, 'description': 'Free text against the course name, abbreviation, former names, notes and limits, e.g. "tec 45", "trimix", "advanced nitrox", "cave". Every word must match.'}, 'agency': {'type': 'string', 'maxLength': 40, 'description': 'Agency abbreviation or id, any case: PADI, SSI, NAUI, SDI, TDI, CMAS, BSAC, RAID, IANTD, GUE, UTD, ANDI, NSS-CDS, ISE, and others. Alone, it returns the agency and a list of its courses.'}, 'category': {'enum': ['recreational', 'rescue', 'specialty', 'technical', 'rebreather', 'professional', 'cave', 'freediving', 'other'], 'type': 'string', 'description': 'recreational, rescue, specialty, technical, rebreather, professional, cave, freediving or other.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['dataset_version', 'attribution', 'total_matches', 'certifications'], 'properties': {'agency': {'type': 'object', 'description': 'The agency record when agency was given.', 'propertyNames': {'type': 'string'}, 'additionalProperties': {}}, 'attribution': {'type': 'string', 'description': 'Credit line (CC BY 4.0); keep it with any figures you quote.'}, 'total_matches': {'type': 'number', 'description': 'Matches before the cap.'}, 'certifications': {'type': 'array', 'items': {'type': 'object', 'propertyNames': {'type': 'string'}, 'additionalProperties': {}}, 'description': 'Matching records, at most 20, each with agency_abbr.'}, 'dataset_version': {'type': 'string', 'description': 'Dataset release tag.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {'query': {'type': 'string', 'maxLength': 100, 'description': 'Free text: a name, brand or use, e.g. "hp100", "al80", "luxfer", "sidemount". A number matches the water volume in L, the rated ft³, the working pressure in bar or the number in the name: "12" finds 12 L cylinders, "80" finds the AL80 and HP80. Every word must match. Omit for every cylinder.'}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'material': {'enum': ['aluminum', 'steel'], 'type': 'string', 'description': 'aluminum or steel. Omit for both.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['dataset_version', 'attribution', 'cylinders'], 'properties': {'cylinders': {'type': 'array', 'items': {'type': 'object', 'propertyNames': {'type': 'string'}, 'additionalProperties': {}}, 'description': 'Matching dataset records (id, commonName, waterVolumeL, workingPressureBar, material, typicalUse, emptyWeightKg, buoyancyKg, brands, notes, ratedCapacityCuft), each with plan_dive: the plan_dive cylinder fields for it.'}, 'attribution': {'type': 'string', 'description': 'Credit line (CC BY 4.0); keep it with any figures you quote.'}, 'dataset_version': {'type': 'string', 'description': 'Dataset release tag.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'properties': {'type': {'enum': ['paper', 'book', 'standard', 'manual', 'article', 'blog', 'thread', 'dataset', 'website', 'talk', 'software', 'video', 'podcast', 'course_material', 'report'], 'type': 'string', 'description': 'Kind of source: paper, book, standard, manual, article, blog, thread, dataset, website, talk, software, video, podcast, course_material, report.'}, 'limit': {'type': 'integer', 'maximum': 20, 'minimum': 1, 'description': 'Most references to return, 1 to 20. Default 10.'}, 'query': {'type': 'string', 'maxLength': 100, 'description': 'Free text; every word must match the title, authors, publisher, notes or what the source is authoritative for, e.g. "baker m-values", "oxygen cleaning", "neoprene". Accents are ignored.'}, 'topic': {'enum': ['deco_theory', 'gradient_factors', 'oxygen_toxicity', 'gas_density', 'icd', 'hpns', 'ccr', 'gas_selection', 'gas_planning', 'gas_blending', 'oxygen_handling', 'real_gas', 'cylinders', 'buoyancy', 'breathing_rate', 'conventions', 'training', 'emergencies', 'cross_checks', 'community'], 'type': 'string', 'description': 'Subject: deco_theory, gradient_factors, oxygen_toxicity, gas_density, icd, hpns, ccr, gas_selection, gas_planning, gas_blending, oxygen_handling, real_gas, cylinders, buoyancy, breathing_rate, conventions, training, emergencies, cross_checks, community.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['dataset_version', 'attribution', 'total_matches', 'references'], 'properties': {'references': {'type': 'array', 'items': {'type': 'object', 'propertyNames': {'type': 'string'}, 'additionalProperties': {}}, 'description': 'Matching records (id, title, authors, year, type, publisher, url, doi, access, topics, authoritative_for, notes, checked_at).'}, 'attribution': {'type': 'string', 'description': 'Credit line (CC BY 4.0); keep it with any figures you quote.'}, 'search_next': {'type': 'array', 'items': {'type': 'object', 'required': ['name', 'url', 'use_for', 'vetted', 'how_to_search'], 'properties': {'url': {'type': 'string'}, 'name': {'type': 'string'}, 'vetted': {'type': 'boolean', 'description': 'false: community content; verify against a vetted source.'}, 'use_for': {'type': 'string'}, 'how_to_search': {'type': 'string', 'description': 'How to search it, e.g. "site:dan.org <question>".'}}, 'additionalProperties': False}, 'description': 'Only when nothing matched: where to search next, in order. Anything found there is not Dive Kit-vetted; say so.'}, 'total_matches': {'type': 'number', 'description': 'Matches before the limit.'}, 'dataset_version': {'type': 'string', 'description': 'Dataset release tag.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['current', 'additions'], 'properties': {'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'current': {'type': 'object', 'required': ['oxygen_pct', 'pressure'], 'properties': {'pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': 'Gauge pressure before the first addition (bar or psi, per units); 0 for empty.'}, 'helium_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Helium % before the first addition. Default 0.'}, 'oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Oxygen % in the cylinder before the first addition, as analysed. Air is 21.'}}, 'description': 'The cylinder before gas goes in. plan_blend gives it as mix_result_current.', 'additionalProperties': False}, 'additions': {'type': 'array', 'items': {'type': 'object', 'required': ['oxygen_pct', 'pressure_added'], 'properties': {'helium_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Helium % of the gas added: 100 for helium. Default 0.'}, 'oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Oxygen % of the gas added: 100 oxygen, 21 air, 0 helium, 32 a nitrox bank.'}, 'pressure_added': {'type': 'number', 'maximum': 7252, 'minimum': 0.1, 'description': 'Gauge pressure this gas adds (bar or psi, per units): the cylinder gauge after minus before.'}}, 'additionalProperties': False}, 'maxItems': 12, 'minItems': 1, 'description': 'Gases added, in order. plan_blend gives them as mix_result_additions.'}, 'environment': {'type': 'object', 'properties': {'altitude': {'type': 'number', 'maximum': 32800, 'minimum': 0, 'description': 'Altitude (m or ft, per units), 0 to 10000 m (32800 ft). Lowers the surface pressure the math adds to gauge readings. Default 0.'}, 'fill_temperature': {'type': 'number', 'maximum': 212, 'minimum': -58, 'description': 'Gas temperature right after filling (°C or °F). Above ambient, the plan fills to a hot pressure that settles to the target. Default: ambient.'}, 'ambient_temperature': {'type': 'number', 'maximum': 212, 'minimum': -58, 'description': 'Temperature the cylinder cools to (°C or °F, per units), -50 to 100 °C. Default 20 °C (68 °F).'}}, 'description': 'Altitude and temperatures. Default sea level, 20 °C, fill at ambient.', 'additionalProperties': False}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['units', 'start', 'steps', 'final', 'notes', 'spoken_summary', 'safety_notice'], 'properties': {'final': {'type': 'object', 'required': ['oxygen_pct', 'helium_pct', 'pressure', 'notation'], 'properties': {'notation': {'type': 'string'}, 'pressure': {'type': 'number'}, 'helium_pct': {'type': 'number'}, 'oxygen_pct': {'type': 'number'}}, 'description': 'The mix and settled pressure; analyse to confirm.', 'additionalProperties': False}, 'notes': {'type': 'array', 'items': {'type': 'string'}}, 'start': {'type': 'object', 'required': ['oxygen_pct', 'helium_pct', 'pressure'], 'properties': {'pressure': {'type': 'number'}, 'helium_pct': {'type': 'number'}, 'oxygen_pct': {'type': 'number'}}, 'additionalProperties': False}, 'steps': {'type': 'array', 'items': {'type': 'object', 'required': ['oxygen_pct_added', 'helium_pct_added', 'pressure_added', 'pressure_before', 'pressure_after', 'oxygen_pct_before', 'oxygen_pct_after', 'helium_pct_before', 'helium_pct_after'], 'properties': {'pressure_added': {'type': 'number'}, 'pressure_after': {'type': 'number'}, 'pressure_before': {'type': 'number'}, 'helium_pct_added': {'type': 'number'}, 'helium_pct_after': {'type': 'number'}, 'oxygen_pct_added': {'type': 'number'}, 'oxygen_pct_after': {'type': 'number'}, 'helium_pct_before': {'type': 'number'}, 'oxygen_pct_before': {'type': 'number'}}, 'additionalProperties': False}}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'settle': {'type': 'object', 'required': ['hot_pressure', 'settled_pressure'], 'properties': {'hot_pressure': {'type': 'number'}, 'settled_pressure': {'type': 'number'}}, 'description': 'Cooling from the fill temperature to ambient.', 'additionalProperties': False}, 'safety_notice': {'type': 'string'}, 'spoken_summary': {'type': 'string', 'description': 'A few plain sentences for a voice reply, ending with an offer: digits allowed, no symbols or notation.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['current', 'target'], 'properties': {'banks': {'type': 'array', 'items': {'type': 'object', 'required': ['oxygen_pct'], 'properties': {'pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': "A cylinder bank's gauge pressure now (bar or psi), given with cylinder_size. Omit both for an unlimited supply such as a compressor."}, 'helium_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Helium % of this supply: 100 for helium, or a premixed bank. Default 0.'}, 'oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Oxygen % of this supply: 21 air, 100 oxygen, 0 helium, 32 a nitrox bank.'}, 'cylinder_size': {'type': 'number', 'maximum': 20000, 'minimum': 0.5, 'description': "A cylinder bank's water volume in litres (metric) or rated ft³ at rated_pressure (imperial), given with pressure."}, 'rated_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 725, 'description': "Imperial only: the psi the bank's ft³ is rated at. Default 3000."}}, 'additionalProperties': False}, 'maxItems': 8, 'minItems': 1, 'description': 'Gas supplies in the order the blender lists them; bank numbers in the result count from 1. Default: unlimited air, oxygen and helium.'}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'target': {'type': 'object', 'required': ['oxygen_pct', 'pressure'], 'properties': {'pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': 'Target gauge pressure once the cylinder has cooled (bar or psi, per units).'}, 'helium_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Target helium %, 0 to 100. Default 0.'}, 'oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Target oxygen %, 0 to 100 (EANx32 is 32, trimix 21/35 is 21).'}}, 'description': 'The mix and settled pressure to reach.', 'additionalProperties': False}, 'current': {'type': 'object', 'required': ['oxygen_pct', 'pressure'], 'properties': {'preset': {'enum': ['al80', 'al40', 'al63', 'hp80', 'hp100', 'hp120', 'lp85', 's80', 'single_10l', 'single_12l', 'single_15l', 'twin_10l', 'twin_12l', 'twin_15l', 'stage_11l', 'stage_7l', 'o2_3l', 'dil_3l'], 'type': 'string', 'description': 'A common cylinder instead of cylinder_size, as in plan_dive: al80, al40, al63, hp80, hp100, hp120, lp85, s80, single_10l, single_12l, single_15l, twin_10l, twin_12l, twin_15l, stage_11l, stage_7l, o2_3l, dil_3l. twin_ presets are a manifolded pair.'}, 'twinset': {'type': 'boolean', 'description': "true for two cylinders on a manifold, filled or breathed together: doubles the volume. Default: the preset's, else false."}, 'pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': 'Gauge pressure now (bar or psi, per units), 0 to 500 bar (7252 psi).'}, 'helium_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Helium % now, 0 to 100. Default 0.'}, 'oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 0, 'description': 'Oxygen % of the gas in the cylinder now, as analysed, 0 to 100. Air is 21; an empty cylinder is 21 at pressure 0.'}, 'cylinder_size': {'type': 'number', 'maximum': 400, 'minimum': 0.5, 'description': "Metric: water volume of ONE cylinder in litres, the number stamped on the neck. Imperial: rated capacity in ft³ at rated_pressure (an AL80 is 77.4). Default: the preset's, else an AL80 (11.1 L)."}, 'rated_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 725, 'description': "Imperial only: the psi the capacity is rated at. Default: the preset's, else 3000. Ignored on metric."}}, 'description': 'The cylinder now: analysed mix, gauge pressure and size (default AL80 size).', 'additionalProperties': False}, 'max_plans': {'type': 'integer', 'maximum': 5, 'minimum': 1, 'description': 'Plans to return, 1 to 5: the best one plus alternatives. Default 3.'}, 'environment': {'type': 'object', 'properties': {'altitude': {'type': 'number', 'maximum': 32800, 'minimum': 0, 'description': 'Altitude (m or ft, per units), 0 to 10000 m (32800 ft). Lowers the surface pressure the math adds to gauge readings. Default 0.'}, 'fill_temperature': {'type': 'number', 'maximum': 212, 'minimum': -58, 'description': 'Gas temperature right after filling (°C or °F). Above ambient, the plan fills to a hot pressure that settles to the target. Default: ambient.'}, 'ambient_temperature': {'type': 'number', 'maximum': 212, 'minimum': -58, 'description': 'Temperature the cylinder cools to (°C or °F, per units), -50 to 100 °C. Default 20 °C (68 °F).'}}, 'description': 'Altitude and temperatures. Default sea level, 20 °C, fill at ambient.', 'additionalProperties': False}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['units', 'feasible', 'steps', 'achieved', 'consumption', 'mix_result_current', 'mix_result_additions', 'alternatives', 'notes', 'spoken_summary', 'safety_notice'], 'properties': {'error': {'type': 'object', 'required': ['code', 'key', 'reason'], 'properties': {'key': {'type': 'string'}, 'code': {'type': 'string'}, 'reason': {'type': 'string'}}, 'additionalProperties': False}, 'notes': {'type': 'array', 'items': {'type': 'string'}}, 'steps': {'type': 'array', 'items': {'type': 'object', 'required': ['kind', 'instruction'], 'properties': {'bank': {'type': 'number', 'description': 'add: bank number from 1, in the order given.'}, 'kind': {'enum': ['bleed', 'add', 'settle'], 'type': 'string', 'description': 'bleed down, add from a bank, or let the cylinder cool.'}, 'bank_gas': {'type': 'string'}, 'instruction': {'type': 'string', 'description': 'The step in one sentence.'}, 'to_pressure': {'type': 'number', 'description': 'bleed and add: gauge pressure to stop at.'}, 'hot_pressure': {'type': 'number'}, 'bank_helium_pct': {'type': 'number'}, 'bank_oxygen_pct': {'type': 'number'}, 'helium_pct_after': {'type': 'number'}, 'oxygen_pct_after': {'type': 'number'}, 'settled_pressure': {'type': 'number'}, 'helium_pct_before': {'type': 'number'}, 'oxygen_pct_before': {'type': 'number'}, 'bank_pressure_after': {'type': 'number', 'description': 'add from a finite bank: the bank gauge after.'}, 'bank_pressure_before': {'type': 'number', 'description': 'add from a finite bank: the bank gauge before.'}}, 'additionalProperties': False}, 'description': 'The best plan in order; empty when feasible is false.'}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'achieved': {'type': 'object', 'required': ['oxygen_pct', 'helium_pct', 'pressure', 'notation', 'oxygen_error_pct', 'helium_error_pct'], 'properties': {'notation': {'type': 'string'}, 'pressure': {'type': 'number'}, 'helium_pct': {'type': 'number'}, 'oxygen_pct': {'type': 'number'}, 'helium_error_pct': {'type': 'number'}, 'oxygen_error_pct': {'type': 'number'}}, 'additionalProperties': False}, 'feasible': {'type': 'boolean'}, 'consumption': {'type': 'array', 'items': {'type': 'object', 'required': ['bank', 'bank_gas', 'pressure', 'volume'], 'properties': {'bank': {'type': 'number'}, 'volume': {'type': 'number', 'description': 'Free gas drawn, L or ft³.'}, 'bank_gas': {'type': 'string'}, 'pressure': {'type': 'number', 'description': 'Gauge pressure drawn (finite banks: the bank drop).'}}, 'additionalProperties': False}}, 'alternatives': {'type': 'array', 'items': {'type': 'object', 'required': ['summary', 'step_count', 'oxygen_pct', 'helium_pct'], 'properties': {'summary': {'type': 'string'}, 'helium_pct': {'type': 'number'}, 'oxygen_pct': {'type': 'number'}, 'step_count': {'type': 'number'}}, 'additionalProperties': False}}, 'safety_notice': {'type': 'string'}, 'spoken_summary': {'type': 'string', 'description': 'A few plain sentences for a voice reply, ending with an offer: digits allowed, no symbols or notation.'}, 'mix_result_current': {'type': 'object', 'required': ['oxygen_pct', 'helium_pct', 'pressure'], 'properties': {'pressure': {'type': 'number'}, 'helium_pct': {'type': 'number'}, 'oxygen_pct': {'type': 'number'}}, 'description': 'mix_result current: the cylinder after the last bleed.', 'additionalProperties': False}, 'partial_plan_steps': {'type': 'array', 'items': {'type': 'object', 'required': ['kind', 'instruction'], 'properties': {'bank': {'type': 'number', 'description': 'add: bank number from 1, in the order given.'}, 'kind': {'enum': ['bleed', 'add', 'settle'], 'type': 'string', 'description': 'bleed down, add from a bank, or let the cylinder cool.'}, 'bank_gas': {'type': 'string'}, 'instruction': {'type': 'string', 'description': 'The step in one sentence.'}, 'to_pressure': {'type': 'number', 'description': 'bleed and add: gauge pressure to stop at.'}, 'hot_pressure': {'type': 'number'}, 'bank_helium_pct': {'type': 'number'}, 'bank_oxygen_pct': {'type': 'number'}, 'helium_pct_after': {'type': 'number'}, 'oxygen_pct_after': {'type': 'number'}, 'settled_pressure': {'type': 'number'}, 'helium_pct_before': {'type': 'number'}, 'oxygen_pct_before': {'type': 'number'}, 'bank_pressure_after': {'type': 'number', 'description': 'add from a finite bank: the bank gauge after.'}, 'bank_pressure_before': {'type': 'number', 'description': 'add from a finite bank: the bank gauge before.'}}, 'additionalProperties': False}, 'description': 'feasible false: the steps that run before the plan gets stuck.'}, 'mix_result_additions': {'type': 'array', 'items': {'type': 'object', 'required': ['oxygen_pct', 'helium_pct', 'pressure_added'], 'properties': {'helium_pct': {'type': 'number'}, 'oxygen_pct': {'type': 'number'}, 'pressure_added': {'type': 'number'}}, 'additionalProperties': False}, 'description': 'mix_result additions: every add step, in order.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['levels', 'cylinders'], 'properties': {'ccr': {'type': 'object', 'properties': {'o2_size': {'type': 'number', 'maximum': 400, 'minimum': 0, 'description': 'Oxygen cylinder: litres (metric) or ft³ rated at 3000 psi (imperial). Default 3 L.'}, 'setpoints': {'type': 'object', 'properties': {'deco': {'type': 'number', 'maximum': 1.6, 'minimum': 0.4, 'description': 'Deco setpoint in bar, used where ccr_deco_schedule has no step. Default 1.4.'}, 'bottom': {'type': 'number', 'maximum': 1.6, 'minimum': 0.4, 'description': 'Bottom setpoint in bar, the level default. Default 1.0.'}, 'descent': {'type': 'number', 'maximum': 1.6, 'minimum': 0.4, 'description': 'Descent setpoint in bar. Default 0.7.'}}, 'description': 'Loop setpoints in bar.', 'additionalProperties': False}, 'loop_volume': {'type': 'number', 'maximum': 15, 'minimum': 2, 'description': 'Loop volume, litres in both unit systems, 2 to 15. Default 6.'}, 'diluent_size': {'type': 'number', 'maximum': 400, 'minimum': 0, 'description': 'Diluent cylinder: litres (metric) or ft³ rated at 3000 psi (imperial). Default 3 L.'}, 'o2_start_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': 'Oxygen cylinder fill (bar or psi). Default 232 bar (3365 psi).'}, 'diluent_helium_pct': {'type': 'number', 'maximum': 95, 'minimum': 0, 'description': 'Onboard diluent helium percent. Default 0.'}, 'diluent_oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 5, 'description': 'Onboard diluent oxygen percent. Default 21.'}, 'descent_switch_depth': {'type': 'number', 'maximum': 660, 'minimum': 0, 'description': 'Depth (m or ft) where the descent setpoint hands over to bottom, first descent only. Default 18 m (60 ft).'}, 'diluent_breathable_oc': {'type': 'boolean', 'description': 'true if the BOV or a regulator can breathe the onboard diluent open circuit. It then joins the bailout pool last. Default false.'}, 'diluent_start_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': 'Diluent cylinder fill (bar or psi). Default 232 bar (3365 psi).'}}, 'description': 'The rebreather (mode ccr only).', 'additionalProperties': False}, 'mode': {'enum': ['oc', 'ccr'], 'type': 'string', 'description': 'oc (open circuit, default) or ccr (closed-circuit rebreather). Set ccr for every rebreather plan: the ccr, ccr_deco_schedule, ccr_dilout_switches and bailout fields need it. On ccr, `cylinders` are the open-circuit bailout gases; the rig itself is in `ccr`.'}, 'ppo2': {'type': 'object', 'properties': {'min': {'type': 'number', 'maximum': 0.21, 'minimum': 0.16, 'description': 'Lowest PPOâ\x82\x82 in bar before a hypoxia warning, 0.16 to 0.21. Warnings only. Default 0.18.'}, 'max_all': {'type': 'number', 'maximum': 1.6, 'minimum': 1, 'description': 'One PPOâ\x82\x82 cap in bar for every gas, 1.0 to 1.6 (e.g. 1.4 for recreational nitrox). Sets all three bands; a band field given too wins for its band.'}, 'max_28_to_44pct_o2': {'type': 'number', 'maximum': 1.6, 'minimum': 1, 'description': 'PPOâ\x82\x82 cap in bar for gases from 28% to under 45% Oâ\x82\x82, 1.0 to 1.6. Default 1.5.'}, 'max_under_28pct_o2': {'type': 'number', 'maximum': 1.6, 'minimum': 1, 'description': 'PPOâ\x82\x82 cap in bar for gases under 28% Oâ\x82\x82, 1.0 to 1.6. Sets their MOD and switch depth. Default 1.4.'}, 'max_45pct_o2_and_up': {'type': 'number', 'maximum': 1.6, 'minimum': 1, 'description': 'PPOâ\x82\x82 cap in bar for gases of 45% Oâ\x82\x82 and over, 1.0 to 1.6. Default 1.6.'}}, 'description': 'PPOâ\x82\x82 limits in bar.', 'additionalProperties': False}, 'rates': {'type': 'object', 'properties': {'descent': {'type': 'number', 'maximum': 330, 'minimum': 0, 'description': 'Descent rate (m/min or ft/min), 1 to 100 m/min. Default 20 m/min (66 ft/min).'}, 'ascent_deep': {'type': 'number', 'maximum': 330, 'minimum': 0, 'description': 'Ascent rate below rate_change_depth (m/min or ft/min), 1 to 100 m/min. Default 9 m/min (30 ft/min).'}, 'ascent_shallow': {'type': 'number', 'maximum': 330, 'minimum': 0, 'description': 'Ascent rate from rate_change_depth to the surface (m/min or ft/min), 1 to 100 m/min. Default 3 m/min (10 ft/min).'}, 'rate_change_depth': {'type': 'number', 'maximum': 660, 'minimum': 0, 'description': 'Depth where the ascent rate changes (m or ft), 3 to 200 m. Default 6 m (20 ft).'}}, 'description': 'Ascent and descent rates, per units.', 'additionalProperties': False}, 'stops': {'type': 'object', 'properties': {'stop_spacing': {'type': 'number', 'description': 'Distance between stops: 3, 6 or 9 m; 10, 20 or 30 ft. Default 3 m (10 ft).'}, 'time_rounding': {'enum': ['1s', '30s', '1min'], 'type': 'string', 'description': '1s, 30s or 1min. Applied inside the engine; a stop is never shorter than the obligation. Default 1min.'}, 'last_stop_depth': {'type': 'number', 'description': 'Final stop depth: 3, 4.5 or 6 m; 10, 15 or 20 ft. Default 6 m (20 ft).'}}, 'description': 'Stop grid and stop-time rounding.', 'additionalProperties': False}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, L/min, °C) or imperial (ft, psi, ft³, ft³/min, °F). Applies to every input and output value except PPOâ\x82\x82/setpoints (bar), mixes (%), density (g/L). Default metric.'}, 'levels': {'type': 'array', 'items': {'type': 'object', 'required': ['depth', 'bottom_time_min'], 'properties': {'gas': {'type': 'string', 'maxLength': 12, 'description': 'Cylinder id this level breathes, or "auto" (default): the richest gas legal at this depth by PPOâ\x82\x82 cap, hypoxic floor and density limit. On ccr, auto means the loop on the onboard diluent.'}, 'depth': {'type': 'number', 'maximum': 700, 'minimum': 0, 'description': 'Level depth (m or ft, per units). 1 to 200 m (3 to 650 ft). Required.'}, 'breathe': {'enum': ['loop', 'oc'], 'type': 'string', 'description': 'ccr only. loop (default) or oc: dive this level open circuit on `gas`.'}, 'diluent': {'type': 'string', 'maxLength': 12, 'description': 'ccr only. "onboard" (default) or a cylinder id to breathe through the loop as a dilout on this level.'}, 'setpoint': {'type': 'number', 'maximum': 1.6, 'minimum': 0.4, 'description': 'ccr only. Loop PPOâ\x82\x82 for this level in bar, 0.4 to 1.6. Default ccr.setpoints.bottom.'}, 'bottom_time_min': {'type': 'number', 'maximum': 360, 'minimum': 0, 'description': 'Minutes at this depth, excluding the descent to it (unless behavior.include_travel_in_level_time is true). 0 to 360. 0 = arrival only: passes through this depth on this gas, used for a no-stop check or a travel-gas leg. Required.'}}, 'additionalProperties': False}, 'maxItems': 20, 'minItems': 1, 'description': 'Dive levels in the order dived, 1 to 20. The first is level_number 1.'}, 'bailout': {'type': 'object', 'properties': {'view': {'enum': ['loop', 'end_of_profile', 'after_level', 'at_run_time', 'on_ascent'], 'type': 'string', 'description': 'ccr: which ascent the table shows. loop (default), end_of_profile, after_level, at_run_time, on_ascent. The worst-case bailout check runs on every view.'}, 'depth': {'type': 'number', 'maximum': 660, 'minimum': 0, 'description': 'For on_ascent: depth (m or ft) the diver leaves the loop on the final ascent.'}, 'level_number': {'type': 'integer', 'maximum': 20, 'minimum': 1, 'description': 'For after_level: the level (1-based) the diver bails at the end of.'}, 'run_time_min': {'type': 'number', 'maximum': 1000, 'minimum': 0, 'description': 'For at_run_time: minutes on the Run clock.'}}, 'description': 'ccr only: the bailout view.', 'additionalProperties': False}, 'reserve': {'type': 'object', 'properties': {'rule': {'enum': ['thirds', 'fourths', 'fifths', 'sixths', 'fixed'], 'type': 'string', 'description': 'thirds, fourths, fifths, sixths or fixed. Default thirds. Below 50 bar (725 psi) is always critical.'}, 'fixed_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': 'Reserve for rule fixed (bar or psi, per units). Default 50 bar (725 psi).'}}, 'description': 'Gas reserve rule. Moves the gas status and warnings, never the stops.', 'additionalProperties': False}, 'audience': {'enum': ['beginner', 'recreational', 'technical'], 'type': 'string', 'description': 'Optional: who the answer is for, from the conversation. beginner: new to deco, plain words. recreational (default): some training. technical: trained deco or CCR diver, terms and tables. Shapes the wording only, never a number.'}, 'behavior': {'type': 'object', 'properties': {'o2_narcotic': {'type': 'boolean', 'description': 'Count oxygen in END. END and warnings only. Default false.'}, 'stay_on_loop': {'type': 'boolean', 'description': 'ccr: true (default) keeps the whole ascent on the loop; false lets an OC deco gas take over where its PPOâ\x82\x82 is higher. Not carried in share links.'}, 'include_travel_in_level_time': {'type': 'boolean', 'description': 'true: level time includes the descent to it (dive-computer runtime style). Default false.'}}, 'description': 'Profile and model switches.', 'additionalProperties': False}, 'cylinders': {'type': 'array', 'items': {'type': 'object', 'required': ['id', 'oxygen_pct'], 'properties': {'id': {'type': 'string', 'maxLength': 12, 'minLength': 1, 'description': 'Short name used by levels and contingencies, 1 to 12 letters, digits, _ or -, e.g. back, s50, o2. Unique.'}, 'preset': {'enum': ['al80', 'al40', 'al63', 'hp80', 'hp100', 'hp120', 'lp85', 's80', 'single_10l', 'single_12l', 'single_15l', 'twin_10l', 'twin_12l', 'twin_15l', 'stage_11l', 'stage_7l', 'o2_3l', 'dil_3l'], 'type': 'string', 'description': 'A common cylinder instead of cylinder_size, rated_pressure, twinset and the fill (explicit fields win). al80/s80: aluminium 80, 11.1 L, 3000 psi. al40, al63: aluminium 40/63, 3000 psi. hp80, hp100, hp120: US high-pressure steel, 3442 psi. lp85: US low-pressure steel, 2640 psi. single_10l, single_12l, single_15l: one EU steel cylinder at 232 bar. twin_10l, twin_12l, twin_15l: back-mounted doubles, 232 bar each. stage_11l: aluminium stage (AL80 size), 200 bar. stage_7l: 7 L stage, 200 bar. o2_3l, dil_3l: 3 L rebreather cylinder, 232 bar.'}, 'twinset': {'type': 'boolean', 'description': "true for back-mounted doubles or a sidemount pair breathed as one supply: doubles the gas at the same pressure. Default: the preset's, else false."}, 'helium_pct': {'type': 'number', 'maximum': 95, 'minimum': 0, 'description': 'Helium percent, 0 to 95, oxygen_pct + helium_pct at most 100. Trimix 18/45 is 45. Default 0.'}, 'oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 5, 'description': 'Oxygen percent, 5 to 100. Air is 21, EANx50 is 50, trimix 18/45 is 18.'}, 'cylinder_size': {'type': 'number', 'maximum': 400, 'minimum': 0, 'description': '12 = one 12 L cylinder (metric). 77.4 = an AL80 in ft³ (imperial, with rated_pressure 3000). Metric: water volume of ONE cylinder in litres, the number stamped on the neck, 1 to 25.5. Imperial: rated capacity in ft³ from the spec sheet (an AL80 holds less than its name), 1 to 400. Or pass preset. Default with neither: an AL80 (11.1 L, 77.4 ft³ at 3000 psi).'}, 'rated_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': "Imperial only: the working pressure the capacity is rated at, psi, 725 to 7252 (3000 for an AL80). Default: the preset's, else 3000. Ignored on metric."}, 'start_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': "Pressure in the cylinder at the start of the dive (bar or psi, per units), 0 to 500 bar (0 to 7252 psi). Default: the preset's fill, else 206.84 bar (3000 psi)."}, 'reserve_pressure': {'type': 'number', 'maximum': 4351, 'minimum': 0, 'description': 'Custom reserve for this cylinder (bar or psi, per units), 5 to 300 bar (50 to 4351 psi). Default: the reserve rule. Moves warnings and find_max_bottom_time, never the stops.'}, 'exclude_from_deco': {'type': 'boolean', 'description': 'true keeps this cylinder out of automatic ascent switching (pony, buddy bottle). Still priced; a level can still name it. Default false.'}}, 'additionalProperties': False}, 'maxItems': 10, 'minItems': 1, 'description': 'Every open-circuit cylinder carried: back gas, stages, deco gases; on ccr, bailout gases. 1 to 10. Give preset or cylinder_size and start_pressure when known; omitted ones default (an AL80, 11.1 L at 3000 psi) and the result marks them.'}, 'modifiers': {'type': 'object', 'properties': {'deco_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Deco SAC override for the whole plan (L/min or ft³/min). Default gas_consumption.deco_sac.'}, 'delay_min': {'type': 'number', 'maximum': 60, 'minimum': 0, 'description': 'A hold at depth before the ascent starts, 0 to 60 minutes. Moves the schedule. Default 0.'}, 'stress_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Hard-breathing surface rate, SAC (L/min or ft³/min, per units), from the end of the bottom (on bailout: from leaving the loop), gas only. Needs stress_minutes or stress_whole_ascent.'}, 'working_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Working SAC override for the whole plan (L/min or ft³/min). Default gas_consumption.working_sac.'}, 'stress_minutes': {'type': 'number', 'maximum': 60, 'minimum': 1, 'description': 'Minutes the stress_sac burst lasts, 1 to 60.'}, 'stress_whole_ascent': {'type': 'boolean', 'description': 'true: the stress_sac burst lasts to the surface. Default false.'}}, 'description': 'Plan modifiers: a stress breathing burst (gas only) and a delay before the ascent (moves the schedule).', 'additionalProperties': False}, 'plan_name': {'type': 'string', 'description': 'Short human label shown in the approval card; fill it first, e.g. 40m 20min air+EANx50. Also titles the plan table and share link, which keep its first 24 characters (a longer name is cut, never refused).'}, 'scenarios': {'type': 'array', 'items': {'type': 'string', 'maxLength': 40, 'description': 'One scenario key.'}, 'maxItems': 10, 'description': 'Which plans to compute, default ["base"]. base; deeper_3m, deeper_5m (imperial: deeper_10ft, deeper_20ft), longer_3min, longer_5min, deeper_and_longer_3, deeper_and_longer_5 (applied to the deepest level); lost:<cylinder id> (that cylinder never carried); custom:<name> (defined in contingencies); gf:<low>/<high> (e.g. gf:40/85), last_stop:<depth> (3, 4.5, 6 m or 10, 15, 20 ft) and stop_rounding:<1s|30s|1min> (the base plan with that one setting changed, to compare settings in one call); all (not the variants). Each one returns its own table and a comparison row. Up to 10. Ask for more in a later call.'}, 'gas_switch': {'type': 'object', 'properties': {'switch_at': {'enum': ['mod', 'stop'], 'type': 'string', 'description': 'mod: switch at the deco gas MOD (default). stop: at the next stop.'}, 'switch_time_s': {'type': 'number', 'maximum': 300, 'minimum': 0, 'description': 'Seconds held at each OC switch on the old gas, 0 to 300 in 30 s steps. Default 0.'}, 'when_cylinder_empty': {'enum': ['show_shortfall', 'switch_gas'], 'type': 'string', 'description': 'show_shortfall (default): stay on it and report how much more gas is needed. switch_gas: move to the richest safe gas left.'}}, 'description': 'Gas switching.', 'additionalProperties': False}, 'repetitive': {'type': 'object', 'required': ['surface_interval_min'], 'properties': {'previous_share_url': {'type': 'string', 'maxLength': 8000, 'description': "The share link of the previous dive's plan_dive result. Its tissue loading seeds this dive."}, 'surface_interval_min': {'type': 'number', 'maximum': 1440, 'minimum': 15, 'description': 'Surface interval since the previous dive, 15 to 1440 minutes.'}}, 'description': 'Repetitive dive: the previous dive and the surface interval.', 'additionalProperties': False}, 'descent_gas': {'type': 'string', 'maxLength': 12, 'description': "oc only. Cylinder id of a travel gas for the descent, for a hypoxic bottom mix (e.g. 12/60) that cannot be breathed near the surface. When level 1 is deeper than that gas's MOD, a 0-minute level on it at its MOD (whole m or ft) is added before level 1, and the result numbers that level first. Default none."}, 'environment': {'type': 'object', 'properties': {'water': {'enum': ['salt', 'fresh', 'en13319', 'red_sea'], 'type': 'string', 'description': 'Water type, from its density: en13319 (EN 13319, the dive computer standard) 10.00 m per bar, salt 9.95, fresh 10.20, red_sea 9.92. Default en13319.'}, 'altitude': {'type': 'number', 'maximum': 32800, 'minimum': 0, 'description': 'Surface altitude (m or ft, per units), 0 to 10000 m (0 to 32800 ft). Default 0.'}, 'temperature': {'type': 'number', 'maximum': 104, 'minimum': -2, 'description': 'Water temperature for gas density only, -2 to 40 °C (28 to 104 °F). Never moves stops. Default 15 °C (59 °F).'}}, 'description': 'Water and altitude.', 'additionalProperties': False}, 'contingencies': {'type': 'array', 'items': {'type': 'object', 'required': ['name'], 'properties': {'name': {'type': 'string', 'maxLength': 24, 'minLength': 1, 'description': 'Name of this contingency, 1 to 24 characters. Request it with scenarios "custom:<name>". Unique.'}, 'deco_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Deco SAC for this contingency only (L/min or ft³/min, per units). Default gas_consumption.deco_sac.'}, 'delay_min': {'type': 'number', 'maximum': 60, 'minimum': 0, 'description': 'A hold at depth before the ascent starts, 0 to 60 minutes. Moves the schedule. Default 0.'}, 'stress_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Hard-breathing surface rate, SAC (L/min or ft³/min, per units), from the end of the bottom (on bailout: from leaving the loop), gas only. Needs stress_minutes or stress_whole_ascent.'}, 'working_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Working SAC for this contingency only (L/min or ft³/min, per units). Default gas_consumption.working_sac.'}, 'depth_change': {'type': 'number', 'maximum': 100, 'minimum': -100, 'description': 'Depth added to that level (m or ft, per units), -30 to 30 m (-100 to 100 ft). Default 0.'}, 'level_number': {'type': 'integer', 'maximum': 20, 'minimum': 1, 'description': 'Level number (1-based) the depth and time changes apply to. Default the deepest (last on a tie).'}, 'lost_cylinders': {'type': 'string', 'maxLength': 130, 'description': 'Cylinder ids lost in this contingency, comma-separated, e.g. "s50,o2". Default none.'}, 'stress_minutes': {'type': 'number', 'maximum': 60, 'minimum': 1, 'description': 'Minutes the stress_sac burst lasts, 1 to 60.'}, 'time_change_min': {'type': 'number', 'maximum': 60, 'minimum': -60, 'description': 'Minutes added to that level, -60 to 60. Default 0.'}, 'fails_after_level': {'type': 'integer', 'maximum': 20, 'minimum': 1, 'description': 'Level number (1-based) after which the lost cylinders are gone. Omit: they are never carried.'}, 'stress_whole_ascent': {'type': 'boolean', 'description': 'true: the stress_sac burst lasts to the surface. Default false.'}}, 'additionalProperties': False}, 'maxItems': 6, 'description': 'Custom contingencies, up to 6, each requested with scenarios "custom:<name>" (or "all").'}, 'oxygen_breaks': {'type': 'object', 'properties': {'enabled': {'type': 'boolean', 'description': 'Insert oxygen breaks on high-PPOâ\x82\x82 stops. Default false.'}, 'min_ppo2': {'type': 'number', 'maximum': 1.8, 'minimum': 0.8, 'description': 'PPOâ\x82\x82 in bar at or above which a stop counts toward the break clock, 0.8 to 1.8. Default 1.4.'}, 'o2_minutes': {'type': 'number', 'maximum': 30, 'minimum': 5, 'description': 'Minutes on high PPOâ\x82\x82 before a break, 5 to 30. Default 20.'}, 'apply_on_loop': {'type': 'boolean', 'description': 'ccr: also break on the loop. Not carried in share links. Default false.'}, 'break_minutes': {'type': 'number', 'maximum': 10, 'minimum': 1, 'description': 'Break length in minutes, 1 to 10. Default 5.'}, 'loop_setpoint': {'type': 'number', 'maximum': 1.6, 'minimum': 0.4, 'description': 'ccr: loop setpoint in bar during a break. Default 0.7.'}}, 'description': 'Oxygen breaks.', 'additionalProperties': False}, 'table_columns': {'type': 'object', 'properties': {'cns': {'type': 'boolean', 'description': 'Add a running CNS column. Default false.'}, 'gas_remaining': {'type': 'boolean', 'description': 'Add a gas-remaining column (bar or psi). Default false.'}}, 'description': 'Extra table columns. PPOâ\x82\x82 is always shown.', 'additionalProperties': False}, 'gas_consumption': {'type': 'object', 'properties': {'deco_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'SAC from the first stop up (L/min or ft³/min). Default 15 L/min (0.53 ft³/min). Gas figures only.'}, 'working_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Surface air consumption (SAC, also called RMV) for descent, bottom and the deep ascent (L/min or ft³/min, per units), 1 to 200 L/min (0.05 to 7.1 ft³/min). Default 20 L/min (0.71 ft³/min). Gas figures only.'}, 'ccr_metabolic_o2': {'type': 'number', 'maximum': 2, 'minimum': 0.4, 'description': 'ccr: oxygen the diver metabolises, L/min in both unit systems, 0.4 to 2.0. Default 0.85.'}}, 'description': 'Breathing rates.', 'additionalProperties': False}, 'response_format': {'enum': ['concise', 'detailed'], 'type': 'string', 'description': 'concise: plan table, gas, warnings, scenario summary. detailed: adds every setting used, per-level NDL, full warning details and the bailout table. Default concise.'}, 'gradient_factors': {'type': 'object', 'properties': {'low': {'type': 'number', 'maximum': 100, 'minimum': 10, 'description': 'GF low, percent, 10 to 100. Sets the first stop depth. Default 50.'}, 'high': {'type': 'number', 'maximum': 100, 'minimum': 10, 'description': 'GF high, percent, 10 to 100. Sets the shallow stops and surfacing margin. Default 80.'}}, 'description': 'Gradient factors. Lower is more conservative. Default 50/80. If high cannot surface the plan, the engine raises it and warns.', 'additionalProperties': False}, 'ccr_deco_schedule': {'type': 'array', 'items': {'type': 'object', 'required': ['depth', 'setpoint'], 'properties': {'depth': {'type': 'number', 'maximum': 660, 'minimum': 0, 'description': 'Depth (m or ft): the step applies at this depth and shallower.'}, 'setpoint': {'type': 'number', 'maximum': 1.6, 'minimum': 0.4, 'description': 'Setpoint in bar.'}}, 'additionalProperties': False}, 'maxItems': 10, 'description': 'ccr deco setpoint steps, up to 10. Default [40 m: 1.5, 23 m: 1.6]. Send [] for the single ccr.setpoints.deco.'}, 'warning_thresholds': {'type': 'object', 'properties': {'otu': {'type': 'number', 'maximum': 500, 'minimum': 200, 'description': 'OTU warning, 200 to 500. Default 300.'}, 'cns_pct': {'type': 'number', 'maximum': 100, 'minimum': 50, 'description': 'CNS percent warning, 50 to 100. Default 80.'}, 'end_max': {'type': 'number', 'maximum': 330, 'minimum': 0, 'description': 'Highest END before a warning (m or ft, per units), 20 to 100 m. Default 30 m (100 ft).'}, 'density_warning': {'type': 'number', 'maximum': 8, 'minimum': 3, 'description': 'Gas density warning in g/L, 3 to 8. Default 5.2.'}, 'density_critical': {'type': 'number', 'maximum': 8, 'minimum': 3, 'description': 'Gas density critical in g/L, 3 to 8; also vetoes a gas in auto. Default 6.2.'}}, 'description': 'Warning thresholds. Warnings only, never the stops.', 'additionalProperties': False}, 'ccr_dilout_switches': {'type': 'array', 'items': {'type': 'object', 'required': ['depth', 'cylinder'], 'properties': {'depth': {'type': 'number', 'maximum': 660, 'minimum': 0, 'description': 'Depth (m or ft): the switch applies at this depth and shallower.'}, 'cylinder': {'type': 'string', 'maxLength': 12, 'description': 'Cylinder id breathed as diluent, or "onboard" to switch back.'}}, 'additionalProperties': False}, 'maxItems': 6, 'description': 'ccr: at each depth and shallower, the loop breathes that cylinder as diluent (a dilout). Up to 6. Default none.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['units', 'summary', 'table_markdown', 'stops', 'gas', 'warnings', 'levels', 'scenarios', 'computed_with', 'settings_table_markdown', 'presentation', 'next_steps', 'share_url', 'spoken_summary', 'engine', 'safety_notice'], 'properties': {'gas': {'type': 'array', 'items': {'type': 'object', 'required': ['cylinder_id', 'mix', 'start', 'used', 'used_volume', 'remaining', 'status'], 'properties': {'mix': {'type': 'string'}, 'used': {'type': 'number'}, 'start': {'type': 'number'}, 'status': {'type': 'string'}, 'reserve': {'type': 'number'}, 'remaining': {'type': 'number'}, 'shortfall': {'type': 'number'}, 'cylinder_id': {'type': 'string'}, 'used_volume': {'type': 'number'}, 'ascent_pressure': {'type': 'number'}, 'ran_out_at_depth': {'type': 'number'}}, 'additionalProperties': False}}, 'stops': {'type': 'array', 'items': {'type': 'object', 'required': ['depth', 'stop_min', 'run_min', 'gas', 'ppo2'], 'properties': {'gas': {'type': 'string'}, 'ppo2': {'type': ['number', 'null']}, 'depth': {'type': 'number'}, 'run_min': {'type': 'number'}, 'stop_min': {'type': 'number'}}, 'additionalProperties': False}}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string'}, 'engine': {'type': 'object', 'required': ['algorithm', 'gf', 'core_version', 'engine_version', 'server_version'], 'properties': {'gf': {'type': 'string'}, 'algorithm': {'type': 'string'}, 'core_version': {'type': 'string'}, 'engine_version': {'type': 'number'}, 'server_version': {'type': 'string'}}, 'additionalProperties': False}, 'levels': {'type': 'array', 'items': {'type': 'object', 'required': ['level', 'depth', 'breathing', 'ppo2', 'end', 'gas_density_g_l', 'issues'], 'properties': {'end': {'type': 'number'}, 'ppo2': {'type': 'number'}, 'depth': {'type': 'number'}, 'level': {'type': 'number'}, 'issues': {'type': 'array', 'items': {'type': 'object', 'required': ['code', 'severity', 'title', 'detail'], 'properties': {'code': {'type': 'string'}, 'title': {'type': 'string'}, 'detail': {'type': 'string'}, 'severity': {'type': 'string'}}, 'additionalProperties': False}}, 'breathing': {'type': 'string'}, 'gas_density_g_l': {'type': 'number'}}, 'additionalProperties': False}}, 'summary': {'type': 'object', 'required': ['runtime_min', 'tts_min', 'deco_time_min', 'first_stop_depth', 'cns_percent', 'otu', 'gas_density_bottom_g_l', 'ndl_min_per_level'], 'properties': {'otu': {'type': 'number'}, 'tts_min': {'type': 'number'}, 'cns_percent': {'type': 'number'}, 'runtime_min': {'type': 'number'}, 'deco_time_min': {'type': 'number'}, 'first_stop_depth': {'type': 'number'}, 'effective_gf_high': {'type': 'number'}, 'ndl_min_per_level': {'type': 'array', 'items': {'type': ['number', 'null']}}, 'gas_density_bottom_g_l': {'type': 'number'}}, 'additionalProperties': False}, 'warnings': {'type': 'array', 'items': {'type': 'object', 'required': ['code', 'severity', 'title', 'detail'], 'properties': {'code': {'type': 'string'}, 'title': {'type': 'string'}, 'detail': {'type': 'string'}, 'severity': {'type': 'string'}, 'level_number': {'type': 'number', 'description': '1-based level a per-level issue belongs to.'}}, 'additionalProperties': False}, 'description': 'Plan warnings, most severe first, including per-level issues (with level_number) not already stated.'}, 'scenarios': {'type': 'array', 'items': {'type': 'object', 'required': ['key', 'label', 'runtime_min', 'tts_min', 'delta_tts_min', 'cns_percent', 'tightest_cylinder', 'shortfall', 'status', 'warnings'], 'properties': {'key': {'type': 'string'}, 'label': {'type': 'string'}, 'status': {'type': 'string'}, 'tts_min': {'type': 'number'}, 'gas_line': {'type': 'string', 'description': 'response_format detailed: what each cylinder ends with in this scenario.'}, 'warnings': {'type': 'array', 'items': {'type': 'object', 'required': ['code', 'severity', 'title', 'detail'], 'properties': {'code': {'type': 'string'}, 'title': {'type': 'string'}, 'detail': {'type': 'string'}, 'severity': {'type': 'string'}}, 'additionalProperties': False}}, 'shortfall': {'type': 'string', 'description': 'Every cylinder that runs short and by how much ("travel 41 bar"), or "none".'}, 'cns_percent': {'type': 'number'}, 'runtime_min': {'type': 'number'}, 'delta_tts_min': {'type': 'number'}, 'table_markdown': {'type': 'string'}, 'tightest_cylinder': {'type': 'string'}}, 'additionalProperties': False}}, 'share_url': {'type': 'string'}, 'truncated': {'type': 'array', 'items': {'type': 'string'}}, 'next_steps': {'type': 'array', 'items': {'type': 'string'}}, 'presentation': {'type': 'array', 'items': {'type': 'string'}}, 'computed_with': {'type': 'object', 'propertyNames': {'type': 'string'}, 'additionalProperties': {'type': 'string'}}, 'loop_warnings': {'type': 'array', 'items': {'type': 'object', 'required': ['code', 'severity', 'title', 'detail'], 'properties': {'code': {'type': 'string'}, 'title': {'type': 'string'}, 'detail': {'type': 'string'}, 'severity': {'type': 'string'}, 'level_number': {'type': 'number', 'description': '1-based level a per-level issue belongs to.'}}, 'additionalProperties': False}, 'description': 'ccr bailout views only: warnings for the loop plan the summary and main table show, with the per-level issues. warnings then covers the bailout view.'}, 'safety_notice': {'type': 'string'}, 'spoken_summary': {'type': 'string', 'description': 'One paragraph to speak as a dive briefing in a voice conversation: the dive, GF and reserve rule, run time, the stops that matter, gas per key cylinder, every critical issue, an offer to re-run. Units in words, no symbols or notation, at most 700 characters.'}, 'table_markdown': {'type': 'string'}, 'bailout_table_markdown': {'type': 'string'}, 'settings_table_markdown': {'type': 'string', 'description': 'The Plan settings table (Setting | Value): every key variable the schedule used, "(default)" after each Dive Kit default.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['url'], 'properties': {'url': {'type': 'string', 'maxLength': 8000, 'minLength': 1, 'description': 'The full Dive Kit share link, including anything after ?.'}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['plan_input', 'has_tissue_state', 'notes', 'safety_notice'], 'properties': {'notes': {'type': 'array', 'items': {'type': 'string'}}, 'plan_name': {'type': 'string'}, 'plan_input': {'type': 'object', 'required': ['levels', 'cylinders'], 'properties': {'ccr': {'type': 'object', 'properties': {'o2_size': {'type': 'number', 'maximum': 400, 'minimum': 0, 'description': 'Oxygen cylinder: litres (metric) or ft³ rated at 3000 psi (imperial). Default 3 L.'}, 'setpoints': {'type': 'object', 'properties': {'deco': {'type': 'number', 'maximum': 1.6, 'minimum': 0.4, 'description': 'Deco setpoint in bar, used where ccr_deco_schedule has no step. Default 1.4.'}, 'bottom': {'type': 'number', 'maximum': 1.6, 'minimum': 0.4, 'description': 'Bottom setpoint in bar, the level default. Default 1.0.'}, 'descent': {'type': 'number', 'maximum': 1.6, 'minimum': 0.4, 'description': 'Descent setpoint in bar. Default 0.7.'}}, 'description': 'Loop setpoints in bar.', 'additionalProperties': False}, 'loop_volume': {'type': 'number', 'maximum': 15, 'minimum': 2, 'description': 'Loop volume, litres in both unit systems, 2 to 15. Default 6.'}, 'diluent_size': {'type': 'number', 'maximum': 400, 'minimum': 0, 'description': 'Diluent cylinder: litres (metric) or ft³ rated at 3000 psi (imperial). Default 3 L.'}, 'o2_start_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': 'Oxygen cylinder fill (bar or psi). Default 232 bar (3365 psi).'}, 'diluent_helium_pct': {'type': 'number', 'maximum': 95, 'minimum': 0, 'description': 'Onboard diluent helium percent. Default 0.'}, 'diluent_oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 5, 'description': 'Onboard diluent oxygen percent. Default 21.'}, 'descent_switch_depth': {'type': 'number', 'maximum': 660, 'minimum': 0, 'description': 'Depth (m or ft) where the descent setpoint hands over to bottom, first descent only. Default 18 m (60 ft).'}, 'diluent_breathable_oc': {'type': 'boolean', 'description': 'true if the BOV or a regulator can breathe the onboard diluent open circuit. It then joins the bailout pool last. Default false.'}, 'diluent_start_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': 'Diluent cylinder fill (bar or psi). Default 232 bar (3365 psi).'}}, 'description': 'The rebreather (mode ccr only).', 'additionalProperties': False}, 'mode': {'enum': ['oc', 'ccr'], 'type': 'string', 'description': 'oc (open circuit, default) or ccr (closed-circuit rebreather). Set ccr for every rebreather plan: the ccr, ccr_deco_schedule, ccr_dilout_switches and bailout fields need it. On ccr, `cylinders` are the open-circuit bailout gases; the rig itself is in `ccr`.'}, 'ppo2': {'type': 'object', 'properties': {'min': {'type': 'number', 'maximum': 0.21, 'minimum': 0.16, 'description': 'Lowest PPOâ\x82\x82 in bar before a hypoxia warning, 0.16 to 0.21. Warnings only. Default 0.18.'}, 'max_all': {'type': 'number', 'maximum': 1.6, 'minimum': 1, 'description': 'One PPOâ\x82\x82 cap in bar for every gas, 1.0 to 1.6 (e.g. 1.4 for recreational nitrox). Sets all three bands; a band field given too wins for its band.'}, 'max_28_to_44pct_o2': {'type': 'number', 'maximum': 1.6, 'minimum': 1, 'description': 'PPOâ\x82\x82 cap in bar for gases from 28% to under 45% Oâ\x82\x82, 1.0 to 1.6. Default 1.5.'}, 'max_under_28pct_o2': {'type': 'number', 'maximum': 1.6, 'minimum': 1, 'description': 'PPOâ\x82\x82 cap in bar for gases under 28% Oâ\x82\x82, 1.0 to 1.6. Sets their MOD and switch depth. Default 1.4.'}, 'max_45pct_o2_and_up': {'type': 'number', 'maximum': 1.6, 'minimum': 1, 'description': 'PPOâ\x82\x82 cap in bar for gases of 45% Oâ\x82\x82 and over, 1.0 to 1.6. Default 1.6.'}}, 'description': 'PPOâ\x82\x82 limits in bar.', 'additionalProperties': False}, 'rates': {'type': 'object', 'properties': {'descent': {'type': 'number', 'maximum': 330, 'minimum': 0, 'description': 'Descent rate (m/min or ft/min), 1 to 100 m/min. Default 20 m/min (66 ft/min).'}, 'ascent_deep': {'type': 'number', 'maximum': 330, 'minimum': 0, 'description': 'Ascent rate below rate_change_depth (m/min or ft/min), 1 to 100 m/min. Default 9 m/min (30 ft/min).'}, 'ascent_shallow': {'type': 'number', 'maximum': 330, 'minimum': 0, 'description': 'Ascent rate from rate_change_depth to the surface (m/min or ft/min), 1 to 100 m/min. Default 3 m/min (10 ft/min).'}, 'rate_change_depth': {'type': 'number', 'maximum': 660, 'minimum': 0, 'description': 'Depth where the ascent rate changes (m or ft), 3 to 200 m. Default 6 m (20 ft).'}}, 'description': 'Ascent and descent rates, per units.', 'additionalProperties': False}, 'stops': {'type': 'object', 'properties': {'stop_spacing': {'type': 'number', 'description': 'Distance between stops: 3, 6 or 9 m; 10, 20 or 30 ft. Default 3 m (10 ft).'}, 'time_rounding': {'enum': ['1s', '30s', '1min'], 'type': 'string', 'description': '1s, 30s or 1min. Applied inside the engine; a stop is never shorter than the obligation. Default 1min.'}, 'last_stop_depth': {'type': 'number', 'description': 'Final stop depth: 3, 4.5 or 6 m; 10, 15 or 20 ft. Default 6 m (20 ft).'}}, 'description': 'Stop grid and stop-time rounding.', 'additionalProperties': False}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, L/min, °C) or imperial (ft, psi, ft³, ft³/min, °F). Applies to every input and output value except PPOâ\x82\x82/setpoints (bar), mixes (%), density (g/L). Default metric.'}, 'levels': {'type': 'array', 'items': {'type': 'object', 'required': ['depth', 'bottom_time_min'], 'properties': {'gas': {'type': 'string', 'maxLength': 12, 'description': 'Cylinder id this level breathes, or "auto" (default): the richest gas legal at this depth by PPOâ\x82\x82 cap, hypoxic floor and density limit. On ccr, auto means the loop on the onboard diluent.'}, 'depth': {'type': 'number', 'maximum': 700, 'minimum': 0, 'description': 'Level depth (m or ft, per units). 1 to 200 m (3 to 650 ft). Required.'}, 'breathe': {'enum': ['loop', 'oc'], 'type': 'string', 'description': 'ccr only. loop (default) or oc: dive this level open circuit on `gas`.'}, 'diluent': {'type': 'string', 'maxLength': 12, 'description': 'ccr only. "onboard" (default) or a cylinder id to breathe through the loop as a dilout on this level.'}, 'setpoint': {'type': 'number', 'maximum': 1.6, 'minimum': 0.4, 'description': 'ccr only. Loop PPOâ\x82\x82 for this level in bar, 0.4 to 1.6. Default ccr.setpoints.bottom.'}, 'bottom_time_min': {'type': 'number', 'maximum': 360, 'minimum': 0, 'description': 'Minutes at this depth, excluding the descent to it (unless behavior.include_travel_in_level_time is true). 0 to 360. 0 = arrival only: passes through this depth on this gas, used for a no-stop check or a travel-gas leg. Required.'}}, 'additionalProperties': False}, 'maxItems': 20, 'minItems': 1, 'description': 'Dive levels in the order dived, 1 to 20. The first is level_number 1.'}, 'bailout': {'type': 'object', 'properties': {'view': {'enum': ['loop', 'end_of_profile', 'after_level', 'at_run_time', 'on_ascent'], 'type': 'string', 'description': 'ccr: which ascent the table shows. loop (default), end_of_profile, after_level, at_run_time, on_ascent. The worst-case bailout check runs on every view.'}, 'depth': {'type': 'number', 'maximum': 660, 'minimum': 0, 'description': 'For on_ascent: depth (m or ft) the diver leaves the loop on the final ascent.'}, 'level_number': {'type': 'integer', 'maximum': 20, 'minimum': 1, 'description': 'For after_level: the level (1-based) the diver bails at the end of.'}, 'run_time_min': {'type': 'number', 'maximum': 1000, 'minimum': 0, 'description': 'For at_run_time: minutes on the Run clock.'}}, 'description': 'ccr only: the bailout view.', 'additionalProperties': False}, 'reserve': {'type': 'object', 'properties': {'rule': {'enum': ['thirds', 'fourths', 'fifths', 'sixths', 'fixed'], 'type': 'string', 'description': 'thirds, fourths, fifths, sixths or fixed. Default thirds. Below 50 bar (725 psi) is always critical.'}, 'fixed_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': 'Reserve for rule fixed (bar or psi, per units). Default 50 bar (725 psi).'}}, 'description': 'Gas reserve rule. Moves the gas status and warnings, never the stops.', 'additionalProperties': False}, 'audience': {'enum': ['beginner', 'recreational', 'technical'], 'type': 'string', 'description': 'Optional: who the answer is for, from the conversation. beginner: new to deco, plain words. recreational (default): some training. technical: trained deco or CCR diver, terms and tables. Shapes the wording only, never a number.'}, 'behavior': {'type': 'object', 'properties': {'o2_narcotic': {'type': 'boolean', 'description': 'Count oxygen in END. END and warnings only. Default false.'}, 'stay_on_loop': {'type': 'boolean', 'description': 'ccr: true (default) keeps the whole ascent on the loop; false lets an OC deco gas take over where its PPOâ\x82\x82 is higher. Not carried in share links.'}, 'include_travel_in_level_time': {'type': 'boolean', 'description': 'true: level time includes the descent to it (dive-computer runtime style). Default false.'}}, 'description': 'Profile and model switches.', 'additionalProperties': False}, 'cylinders': {'type': 'array', 'items': {'type': 'object', 'required': ['id', 'oxygen_pct'], 'properties': {'id': {'type': 'string', 'maxLength': 12, 'minLength': 1, 'description': 'Short name used by levels and contingencies, 1 to 12 letters, digits, _ or -, e.g. back, s50, o2. Unique.'}, 'preset': {'enum': ['al80', 'al40', 'al63', 'hp80', 'hp100', 'hp120', 'lp85', 's80', 'single_10l', 'single_12l', 'single_15l', 'twin_10l', 'twin_12l', 'twin_15l', 'stage_11l', 'stage_7l', 'o2_3l', 'dil_3l'], 'type': 'string', 'description': 'A common cylinder instead of cylinder_size, rated_pressure, twinset and the fill (explicit fields win). al80/s80: aluminium 80, 11.1 L, 3000 psi. al40, al63: aluminium 40/63, 3000 psi. hp80, hp100, hp120: US high-pressure steel, 3442 psi. lp85: US low-pressure steel, 2640 psi. single_10l, single_12l, single_15l: one EU steel cylinder at 232 bar. twin_10l, twin_12l, twin_15l: back-mounted doubles, 232 bar each. stage_11l: aluminium stage (AL80 size), 200 bar. stage_7l: 7 L stage, 200 bar. o2_3l, dil_3l: 3 L rebreather cylinder, 232 bar.'}, 'twinset': {'type': 'boolean', 'description': "true for back-mounted doubles or a sidemount pair breathed as one supply: doubles the gas at the same pressure. Default: the preset's, else false."}, 'helium_pct': {'type': 'number', 'maximum': 95, 'minimum': 0, 'description': 'Helium percent, 0 to 95, oxygen_pct + helium_pct at most 100. Trimix 18/45 is 45. Default 0.'}, 'oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 5, 'description': 'Oxygen percent, 5 to 100. Air is 21, EANx50 is 50, trimix 18/45 is 18.'}, 'cylinder_size': {'type': 'number', 'maximum': 400, 'minimum': 0, 'description': '12 = one 12 L cylinder (metric). 77.4 = an AL80 in ft³ (imperial, with rated_pressure 3000). Metric: water volume of ONE cylinder in litres, the number stamped on the neck, 1 to 25.5. Imperial: rated capacity in ft³ from the spec sheet (an AL80 holds less than its name), 1 to 400. Or pass preset. Default with neither: an AL80 (11.1 L, 77.4 ft³ at 3000 psi).'}, 'rated_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': "Imperial only: the working pressure the capacity is rated at, psi, 725 to 7252 (3000 for an AL80). Default: the preset's, else 3000. Ignored on metric."}, 'start_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': "Pressure in the cylinder at the start of the dive (bar or psi, per units), 0 to 500 bar (0 to 7252 psi). Default: the preset's fill, else 206.84 bar (3000 psi)."}, 'reserve_pressure': {'type': 'number', 'maximum': 4351, 'minimum': 0, 'description': 'Custom reserve for this cylinder (bar or psi, per units), 5 to 300 bar (50 to 4351 psi). Default: the reserve rule. Moves warnings and find_max_bottom_time, never the stops.'}, 'exclude_from_deco': {'type': 'boolean', 'description': 'true keeps this cylinder out of automatic ascent switching (pony, buddy bottle). Still priced; a level can still name it. Default false.'}}, 'additionalProperties': False}, 'maxItems': 10, 'minItems': 1, 'description': 'Every open-circuit cylinder carried: back gas, stages, deco gases; on ccr, bailout gases. 1 to 10. Give preset or cylinder_size and start_pressure when known; omitted ones default (an AL80, 11.1 L at 3000 psi) and the result marks them.'}, 'modifiers': {'type': 'object', 'properties': {'deco_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Deco SAC override for the whole plan (L/min or ft³/min). Default gas_consumption.deco_sac.'}, 'delay_min': {'type': 'number', 'maximum': 60, 'minimum': 0, 'description': 'A hold at depth before the ascent starts, 0 to 60 minutes. Moves the schedule. Default 0.'}, 'stress_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Hard-breathing surface rate, SAC (L/min or ft³/min, per units), from the end of the bottom (on bailout: from leaving the loop), gas only. Needs stress_minutes or stress_whole_ascent.'}, 'working_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Working SAC override for the whole plan (L/min or ft³/min). Default gas_consumption.working_sac.'}, 'stress_minutes': {'type': 'number', 'maximum': 60, 'minimum': 1, 'description': 'Minutes the stress_sac burst lasts, 1 to 60.'}, 'stress_whole_ascent': {'type': 'boolean', 'description': 'true: the stress_sac burst lasts to the surface. Default false.'}}, 'description': 'Plan modifiers: a stress breathing burst (gas only) and a delay before the ascent (moves the schedule).', 'additionalProperties': False}, 'plan_name': {'type': 'string', 'description': 'Short human label shown in the approval card; fill it first, e.g. 40m 20min air+EANx50. Also titles the plan table and share link, which keep its first 24 characters (a longer name is cut, never refused).'}, 'scenarios': {'type': 'array', 'items': {'type': 'string', 'maxLength': 40, 'description': 'One scenario key.'}, 'maxItems': 10, 'description': 'Which plans to compute, default ["base"]. base; deeper_3m, deeper_5m (imperial: deeper_10ft, deeper_20ft), longer_3min, longer_5min, deeper_and_longer_3, deeper_and_longer_5 (applied to the deepest level); lost:<cylinder id> (that cylinder never carried); custom:<name> (defined in contingencies); gf:<low>/<high> (e.g. gf:40/85), last_stop:<depth> (3, 4.5, 6 m or 10, 15, 20 ft) and stop_rounding:<1s|30s|1min> (the base plan with that one setting changed, to compare settings in one call); all (not the variants). Each one returns its own table and a comparison row. Up to 10. Ask for more in a later call.'}, 'gas_switch': {'type': 'object', 'properties': {'switch_at': {'enum': ['mod', 'stop'], 'type': 'string', 'description': 'mod: switch at the deco gas MOD (default). stop: at the next stop.'}, 'switch_time_s': {'type': 'number', 'maximum': 300, 'minimum': 0, 'description': 'Seconds held at each OC switch on the old gas, 0 to 300 in 30 s steps. Default 0.'}, 'when_cylinder_empty': {'enum': ['show_shortfall', 'switch_gas'], 'type': 'string', 'description': 'show_shortfall (default): stay on it and report how much more gas is needed. switch_gas: move to the richest safe gas left.'}}, 'description': 'Gas switching.', 'additionalProperties': False}, 'repetitive': {'type': 'object', 'required': ['surface_interval_min'], 'properties': {'previous_share_url': {'type': 'string', 'maxLength': 8000, 'description': "The share link of the previous dive's plan_dive result. Its tissue loading seeds this dive."}, 'surface_interval_min': {'type': 'number', 'maximum': 1440, 'minimum': 15, 'description': 'Surface interval since the previous dive, 15 to 1440 minutes.'}}, 'description': 'Repetitive dive: the previous dive and the surface interval.', 'additionalProperties': False}, 'descent_gas': {'type': 'string', 'maxLength': 12, 'description': "oc only. Cylinder id of a travel gas for the descent, for a hypoxic bottom mix (e.g. 12/60) that cannot be breathed near the surface. When level 1 is deeper than that gas's MOD, a 0-minute level on it at its MOD (whole m or ft) is added before level 1, and the result numbers that level first. Default none."}, 'environment': {'type': 'object', 'properties': {'water': {'enum': ['salt', 'fresh', 'en13319', 'red_sea'], 'type': 'string', 'description': 'Water type, from its density: en13319 (EN 13319, the dive computer standard) 10.00 m per bar, salt 9.95, fresh 10.20, red_sea 9.92. Default en13319.'}, 'altitude': {'type': 'number', 'maximum': 32800, 'minimum': 0, 'description': 'Surface altitude (m or ft, per units), 0 to 10000 m (0 to 32800 ft). Default 0.'}, 'temperature': {'type': 'number', 'maximum': 104, 'minimum': -2, 'description': 'Water temperature for gas density only, -2 to 40 °C (28 to 104 °F). Never moves stops. Default 15 °C (59 °F).'}}, 'description': 'Water and altitude.', 'additionalProperties': False}, 'contingencies': {'type': 'array', 'items': {'type': 'object', 'required': ['name'], 'properties': {'name': {'type': 'string', 'maxLength': 24, 'minLength': 1, 'description': 'Name of this contingency, 1 to 24 characters. Request it with scenarios "custom:<name>". Unique.'}, 'deco_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Deco SAC for this contingency only (L/min or ft³/min, per units). Default gas_consumption.deco_sac.'}, 'delay_min': {'type': 'number', 'maximum': 60, 'minimum': 0, 'description': 'A hold at depth before the ascent starts, 0 to 60 minutes. Moves the schedule. Default 0.'}, 'stress_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Hard-breathing surface rate, SAC (L/min or ft³/min, per units), from the end of the bottom (on bailout: from leaving the loop), gas only. Needs stress_minutes or stress_whole_ascent.'}, 'working_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Working SAC for this contingency only (L/min or ft³/min, per units). Default gas_consumption.working_sac.'}, 'depth_change': {'type': 'number', 'maximum': 100, 'minimum': -100, 'description': 'Depth added to that level (m or ft, per units), -30 to 30 m (-100 to 100 ft). Default 0.'}, 'level_number': {'type': 'integer', 'maximum': 20, 'minimum': 1, 'description': 'Level number (1-based) the depth and time changes apply to. Default the deepest (last on a tie).'}, 'lost_cylinders': {'type': 'string', 'maxLength': 130, 'description': 'Cylinder ids lost in this contingency, comma-separated, e.g. "s50,o2". Default none.'}, 'stress_minutes': {'type': 'number', 'maximum': 60, 'minimum': 1, 'description': 'Minutes the stress_sac burst lasts, 1 to 60.'}, 'time_change_min': {'type': 'number', 'maximum': 60, 'minimum': -60, 'description': 'Minutes added to that level, -60 to 60. Default 0.'}, 'fails_after_level': {'type': 'integer', 'maximum': 20, 'minimum': 1, 'description': 'Level number (1-based) after which the lost cylinders are gone. Omit: they are never carried.'}, 'stress_whole_ascent': {'type': 'boolean', 'description': 'true: the stress_sac burst lasts to the surface. Default false.'}}, 'additionalProperties': False}, 'maxItems': 6, 'description': 'Custom contingencies, up to 6, each requested with scenarios "custom:<name>" (or "all").'}, 'oxygen_breaks': {'type': 'object', 'properties': {'enabled': {'type': 'boolean', 'description': 'Insert oxygen breaks on high-PPOâ\x82\x82 stops. Default false.'}, 'min_ppo2': {'type': 'number', 'maximum': 1.8, 'minimum': 0.8, 'description': 'PPOâ\x82\x82 in bar at or above which a stop counts toward the break clock, 0.8 to 1.8. Default 1.4.'}, 'o2_minutes': {'type': 'number', 'maximum': 30, 'minimum': 5, 'description': 'Minutes on high PPOâ\x82\x82 before a break, 5 to 30. Default 20.'}, 'apply_on_loop': {'type': 'boolean', 'description': 'ccr: also break on the loop. Not carried in share links. Default false.'}, 'break_minutes': {'type': 'number', 'maximum': 10, 'minimum': 1, 'description': 'Break length in minutes, 1 to 10. Default 5.'}, 'loop_setpoint': {'type': 'number', 'maximum': 1.6, 'minimum': 0.4, 'description': 'ccr: loop setpoint in bar during a break. Default 0.7.'}}, 'description': 'Oxygen breaks.', 'additionalProperties': False}, 'table_columns': {'type': 'object', 'properties': {'cns': {'type': 'boolean', 'description': 'Add a running CNS column. Default false.'}, 'gas_remaining': {'type': 'boolean', 'description': 'Add a gas-remaining column (bar or psi). Default false.'}}, 'description': 'Extra table columns. PPOâ\x82\x82 is always shown.', 'additionalProperties': False}, 'gas_consumption': {'type': 'object', 'properties': {'deco_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'SAC from the first stop up (L/min or ft³/min). Default 15 L/min (0.53 ft³/min). Gas figures only.'}, 'working_sac': {'type': 'number', 'maximum': 200, 'minimum': 0, 'description': 'Surface air consumption (SAC, also called RMV) for descent, bottom and the deep ascent (L/min or ft³/min, per units), 1 to 200 L/min (0.05 to 7.1 ft³/min). Default 20 L/min (0.71 ft³/min). Gas figures only.'}, 'ccr_metabolic_o2': {'type': 'number', 'maximum': 2, 'minimum': 0.4, 'description': 'ccr: oxygen the diver metabolises, L/min in both unit systems, 0.4 to 2.0. Default 0.85.'}}, 'description': 'Breathing rates.', 'additionalProperties': False}, 'response_format': {'enum': ['concise', 'detailed'], 'type': 'string', 'description': 'concise: plan table, gas, warnings, scenario summary. detailed: adds every setting used, per-level NDL, full warning details and the bailout table. Default concise.'}, 'gradient_factors': {'type': 'object', 'properties': {'low': {'type': 'number', 'maximum': 100, 'minimum': 10, 'description': 'GF low, percent, 10 to 100. Sets the first stop depth. Default 50.'}, 'high': {'type': 'number', 'maximum': 100, 'minimum': 10, 'description': 'GF high, percent, 10 to 100. Sets the shallow stops and surfacing margin. Default 80.'}}, 'description': 'Gradient factors. Lower is more conservative. Default 50/80. If high cannot surface the plan, the engine raises it and warns.', 'additionalProperties': False}, 'ccr_deco_schedule': {'type': 'array', 'items': {'type': 'object', 'required': ['depth', 'setpoint'], 'properties': {'depth': {'type': 'number', 'maximum': 660, 'minimum': 0, 'description': 'Depth (m or ft): the step applies at this depth and shallower.'}, 'setpoint': {'type': 'number', 'maximum': 1.6, 'minimum': 0.4, 'description': 'Setpoint in bar.'}}, 'additionalProperties': False}, 'maxItems': 10, 'description': 'ccr deco setpoint steps, up to 10. Default [40 m: 1.5, 23 m: 1.6]. Send [] for the single ccr.setpoints.deco.'}, 'warning_thresholds': {'type': 'object', 'properties': {'otu': {'type': 'number', 'maximum': 500, 'minimum': 200, 'description': 'OTU warning, 200 to 500. Default 300.'}, 'cns_pct': {'type': 'number', 'maximum': 100, 'minimum': 50, 'description': 'CNS percent warning, 50 to 100. Default 80.'}, 'end_max': {'type': 'number', 'maximum': 330, 'minimum': 0, 'description': 'Highest END before a warning (m or ft, per units), 20 to 100 m. Default 30 m (100 ft).'}, 'density_warning': {'type': 'number', 'maximum': 8, 'minimum': 3, 'description': 'Gas density warning in g/L, 3 to 8. Default 5.2.'}, 'density_critical': {'type': 'number', 'maximum': 8, 'minimum': 3, 'description': 'Gas density critical in g/L, 3 to 8; also vetoes a gas in auto. Default 6.2.'}}, 'description': 'Warning thresholds. Warnings only, never the stops.', 'additionalProperties': False}, 'ccr_dilout_switches': {'type': 'array', 'items': {'type': 'object', 'required': ['depth', 'cylinder'], 'properties': {'depth': {'type': 'number', 'maximum': 660, 'minimum': 0, 'description': 'Depth (m or ft): the switch applies at this depth and shallower.'}, 'cylinder': {'type': 'string', 'maxLength': 12, 'description': 'Cylinder id breathed as diluent, or "onboard" to switch back.'}}, 'additionalProperties': False}, 'maxItems': 6, 'description': 'ccr: at each depth and shallower, the loop breathes that cylinder as diluent (a dilout). Up to 6. Default none.'}}, 'description': 'The plan_dive input the link carries, in the requested units.', 'additionalProperties': False}, 'app_version': {'type': 'string', 'description': 'Dive Kit version that wrote the link.'}, 'safety_notice': {'type': 'string'}, 'results_summary': {'type': 'object', 'required': ['runtime_min', 'tts_min'], 'properties': {'tts_min': {'type': 'number'}, 'runtime_min': {'type': 'number'}}, 'description': 'Base-plan runtime and TTS baked into the link. Informational: plan_dive recomputes them.', 'additionalProperties': False}, 'has_tissue_state': {'type': 'boolean', 'description': "The link carries a repetitive dive's starting tissue loading."}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['segments'], 'properties': {'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'water': {'enum': ['salt', 'fresh', 'en13319', 'red_sea'], 'type': 'string', 'description': 'Water type, from its density: en13319 (EN 13319, the dive computer standard) 10.00 m per bar, salt 9.95, fresh 10.20, red_sea 9.92. Default en13319.'}, 'segments': {'type': 'array', 'items': {'type': 'object', 'required': ['depth', 'duration_min', 'start_pressure', 'end_pressure'], 'properties': {'depth': {'type': 'number', 'maximum': 1000, 'minimum': 0, 'description': 'Average depth of this stretch (m or ft).'}, 'preset': {'enum': ['al80', 'al40', 'al63', 'hp80', 'hp100', 'hp120', 'lp85', 's80', 'single_10l', 'single_12l', 'single_15l', 'twin_10l', 'twin_12l', 'twin_15l', 'stage_11l', 'stage_7l', 'o2_3l', 'dil_3l'], 'type': 'string', 'description': 'A common cylinder instead of cylinder_size, as in plan_dive: al80, al40, al63, hp80, hp100, hp120, lp85, s80, single_10l, single_12l, single_15l, twin_10l, twin_12l, twin_15l, stage_11l, stage_7l, o2_3l, dil_3l. twin_ presets are a manifolded pair.'}, 'twinset': {'type': 'boolean', 'description': "true for two cylinders on a manifold, filled or breathed together: doubles the volume. Default: the preset's, else false."}, 'helium_pct': {'type': 'number', 'maximum': 95, 'minimum': 0, 'description': 'Helium % of the gas in the cylinder. Default 0.'}, 'oxygen_pct': {'type': 'number', 'maximum': 100, 'minimum': 5, 'description': 'Oxygen % of the gas in the cylinder. Default 21 (air). Give it with helium_pct for trimix.'}, 'duration_min': {'type': 'number', 'maximum': 600, 'minimum': 0.1, 'description': 'Minutes of this stretch, 0.1 to 600.'}, 'end_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 0, 'description': 'Gauge reading at the end (bar or psi); lower than start_pressure.'}, 'cylinder_size': {'type': 'number', 'maximum': 400, 'minimum': 0.5, 'description': "Metric: water volume of ONE cylinder in litres, the number stamped on the neck. Imperial: rated capacity in ft³ at rated_pressure (an AL80 is 77.4). Default: the preset's, else an AL80 (11.1 L)."}, 'rated_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 725, 'description': "Imperial only: the psi the capacity is rated at. Default: the preset's, else 3000. Ignored on metric."}, 'start_pressure': {'type': 'number', 'maximum': 7252, 'minimum': 1, 'description': 'Gauge reading at the start of the stretch (bar or psi, per units).'}}, 'additionalProperties': False}, 'maxItems': 12, 'minItems': 1, 'description': 'Stretches of the logged dive, each on one cylinder, not overlapping in time.'}}, 'additionalProperties': False}

{'type': 'object', '$schema': 'https://json-schema.org/draft/2020-12/schema', 'required': ['units', 'rmv', 'sac', 'sac_per_cylinder', 'segments', 'total_gas_volume', 'total_time_min', 'weighted_avg_depth', 'weighted_avg_ata', 'plan_dive_gas_consumption', 'assumptions', 'spoken_summary', 'safety_notice'], 'properties': {'rmv': {'type': 'number', 'description': 'Surface litres a minute (ft³/min imperial), load-weighted: the figure gas_usage sac and plan_dive working_sac take.'}, 'sac': {'type': ['number', 'null'], 'description': 'Pressure drop a minute (bar/min or psi/min) on the one cylinder every segment used; null when they used different cylinders.'}, 'units': {'enum': ['metric', 'imperial'], 'type': 'string', 'description': 'metric (m, bar, L, °C) or imperial (ft, psi, ft³, °F): the unit system for every value in and out. Default metric.'}, 'segments': {'type': 'array', 'items': {'type': 'object', 'required': ['depth', 'duration_min', 'ambient_ata', 'gas_used_volume', 'rmv', 'sac'], 'properties': {'rmv': {'type': 'number'}, 'sac': {'type': 'number'}, 'depth': {'type': 'number'}, 'ambient_ata': {'type': 'number'}, 'duration_min': {'type': 'number'}, 'gas_used_volume': {'type': 'number'}}, 'additionalProperties': False}}, 'assumptions': {'type': 'array', 'items': {'type': 'string'}}, 'safety_notice': {'type': 'string'}, 'spoken_summary': {'type': 'string', 'description': 'A few plain sentences for a voice reply, ending with an offer: digits allowed, no symbols or notation.'}, 'total_time_min': {'type': 'number'}, 'sac_per_cylinder': {'type': 'array', 'items': {'type': 'object', 'required': ['cylinder', 'rmv', 'sac'], 'properties': {'rmv': {'type': 'number'}, 'sac': {'type': 'number'}, 'cylinder': {'type': 'string'}}, 'additionalProperties': False}}, 'total_gas_volume': {'type': 'number'}, 'weighted_avg_ata': {'type': 'number'}, 'weighted_avg_depth': {'type': 'number'}, 'plan_dive_gas_consumption': {'type': 'object', 'required': ['working_sac'], 'properties': {'working_sac': {'type': 'number'}}, 'description': 'Ready for plan_dive gas_consumption.', 'additionalProperties': False}}, 'additionalProperties': False}