feat: desk IA

backend/services/database.py

@@ -5135,7 +5135,8 @@ def get_all_ai_desks() -> List[Dict[str, Any]]:
             d = dict(r)
             for f in ("instruments", "config"):
                 try:
-                    d[f] = json.loads(d.get(f) or "[]" if f == "instruments" else "{}")
+                    fallback = "[]" if f == "instruments" else "{}"
+                    d[f] = json.loads(d.get(f) or fallback)
                 except Exception:
                     d[f] = [] if f == "instruments" else {}
             result.append(d)

frontend/src/pages/AIDesks.tsx

@@ -377,14 +377,14 @@ function EcoConfig({
   onChange: (c: Record<string, any>) => void
 }) {
   const set = (k: string, v: any) => onChange({ ...config, [k]: v })
-  const countries: string[] = config.countries ?? ECO_DEFAULT_COUNTRIES
+  const countries: string[] = config.currencies ?? ECO_DEFAULT_COUNTRIES
   const eventTypes: string[] = config.event_types ?? ECO_DEFAULT_TYPES
 
   const toggleCountry = (code: string) => {
     const next = countries.includes(code)
       ? countries.filter(c => c !== code)
       : [...countries, code]
-    set('countries', next)
+    set('currencies', next)
   }
 
   const toggleEventType = (id: string) => {