feat(skills and model):

1. Add the "Skills" module;
 2. The loading of the model square has been modified to be controlled through environment variables;
 3. Dynamic scheduling of the skill binding tool;
 4. Agent Integration Skills

api/app/services/app_statistics_service.py

@@ -187,7 +187,7 @@ class AppStatisticsService:
                 daily_tokens[date_str] = 0
             daily_tokens[date_str] += int(tokens)
         
-        daily_data = [{"date": date, "tokens": tokens} for date, tokens in sorted(daily_tokens.items()) if tokens != 0]
+        daily_data = [{"date": date, "count": tokens} for date, tokens in sorted(daily_tokens.items()) if tokens != 0]
         total = sum(row["tokens"] for row in daily_data)
         
         return {"daily": daily_data, "total": total}