1{2 "name": "unit_convert",3 "description": "Convertit superficies, longueurs et prix unitaires (m² ↔ pi², hectare, acre, arpent carré québécois, m ↔ pi ↔ po, $/m² ↔ $/pi²). Déterministe, avec la formule.",4 "parameters": {5 "type": "object",6 "properties": {7 "value": { "type": ["number", "string"] },8 "from_unit": { "type": "string", "description": "m2, pi2, ha, acre, arpent, km2, m, pi, po, cm, km, $/m2, $/pi2, $/acre…" },9 "to_unit": { "type": "string" }10 },11 "required": ["value", "from_unit", "to_unit"]12 }13}14