import json
import re

def nettoyer_decision_router(raw_text):
    try:
        clean = re.sub(r'```(?:json)?\s*', '', raw_text)
        clean = clean.replace('```', '').strip()
        start = clean.find('{')
        end = clean.rfind('}') + 1
        if start != -1 and end != 0:
            return json.loads(clean[start:end])
    except Exception:
        pass
    return {"intention": "Analyse", "fournisseur": "gemini"}