🔄 Synchronisation TOUS appointments vers M365 (provisoire)

🔄 Renouvellement du token Microsoft 365... ❌ Erreur renouvellement: HTTP 401: {"error":"invalid_client","error_description":"AADSTS7000222: The provided client secret keys for app '60a70afb-7fd0-400c-b133-089f5243edca' are expired. Visit the Azure portal to create new keys for your app: https://aka.ms/NewClientSecret, or consider using certificate credentials for added security: https://aka.ms/certCreds. Trace ID: 2a0f28bf-86ab-44c2-9f1f-878311590d00 Correlation ID: 39902dc6-0492-462f-ad13-27e394f899c2 Timestamp: 2026-04-21 15:08:46Z","error_codes":[7000222],"timestamp":"2026-04-21 15:08:46Z","trace_id":"2a0f28bf-86ab-44c2-9f1f-878311590d00","correlation_id":"39902dc6-0492-462f-ad13-27e394f899c2","error_uri":"https://login.microsoftonline.com/error?code=7000222"}