Fix: building_archetype nullified when stebbsmethod == 0 (#958)

* add: building_archetype nullified along with stebbs parameters when stebbsmethod == 0

* update CHANGELOG.md

* updated CHANGELOG.md

* add: test_stebbsmethod0_nullifies_building_archetype_values to cover also building_archetype nullification

and fixed precheck_model_option_rules to include building_archetype in the nullification logic

* style: auto-format code with ruff and fprettify

Co-authored-by: dayantur <71443948+dayantur@users.noreply.github.com>

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: dayantur

CHANGELOG.md

@@ -70,7 +70,7 @@
   - Enhanced documentation for build process and developer workflows
 - [doc] Reorganised output documentation for clarity (#944)
   - Improved structure and navigation of output variable documentation
-
+- [bugfix] Fix nullification logic in phase_b.py for stebbs parameters to include building_archetype block when stebbsmethod == 0. (PR #958)
 
 ### 29 Nov 2025
 - [feature] Integrated Python output registry with SuPy post-processing (#937)