Update to kpi-calculator v0.2.0 with ESDL string loading

- Update dependency from kpi-calculator>=0.1.1 to >=0.2.0
- Use load_from_esdl_string() method for loading ESDL content
  from string instead of file path (new in v0.2.0)

Author: jarsarasty

pyproject.toml

@@ -25,7 +25,7 @@ dependencies = [
     "omotes-simulator-core==0.0.28",
     "pyesdl==25.7",
     "pandas ~= 2.2.2",
-    "kpi-calculator>=0.1.1",
+    "kpi-calculator>=0.2.0",
 ]
 
 [project.optional-dependencies]

requirements.txt

@@ -46,7 +46,7 @@ influxdb==5.3.2
     # via omotes-simulator-core
 kombu==5.5.4
     # via celery
-kpi-calculator==0.1.1
+kpi-calculator==0.2.0
     # via simulator-worker (..\..\pyproject.toml)
 lxml==6.0.2
     # via pyecore

src/simulator_worker/simulator_worker.py

@@ -143,9 +143,9 @@ def simulator_worker_task(
         else:
             system_lifetime = DEFAULT_SYSTEM_LIFETIME_YEARS
 
-        # Use KpiManager directly to avoid duplicate ESDL parsing
+        # Use KpiManager with ESDL string loading (v0.2.0+)
         kpi_manager = KpiManager()
-        kpi_manager.load_from_esdl(input_esdl, timeseries_dataframes=timeseries_by_asset)
+        kpi_manager.load_from_esdl_string(input_esdl, timeseries_dataframes=timeseries_by_asset)
 
         # Calculate KPIs
         kpi_results = kpi_manager.calculate_all_kpis(system_lifetime=system_lifetime)