fix: return solar_hourly and wind_hourly from run_scenario

These fields were computed but not being returned in the ScenarioResult.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

packages/engine/src/remodel_engine/scenarios/runner.py

@@ -491,4 +491,6 @@ def run_scenario(inputs: ScenarioInput) -> ScenarioResult:
         runtime_s=round(time.time() - t0, 2),
         generation_by_year=generation_by_year,
         idc_phasing=idc_phasing,
+        solar_hourly=pipe.solar_hourly,
+        wind_hourly=pipe.wind_hourly,
     )