feat: add scenarios list page with metrics and quick actions

- Introduced a new template for listing scenarios associated with a project.
- Added metrics for total, active, draft, and archived scenarios.
- Implemented quick actions for creating new scenarios and reviewing project overview.
- Enhanced navigation with breadcrumbs for better user experience.

refactor: update Opex and Profitability templates for consistency

- Changed titles and button labels for clarity in Opex and Profitability templates.
- Updated form IDs and action URLs for better alignment with new naming conventions.
- Improved navigation links to include scenario and project overviews.

test: add integration tests for Opex calculations

- Created new tests for Opex calculation HTML and JSON flows.
- Validated successful calculations and ensured correct data persistence.
- Implemented tests for currency mismatch and unsupported frequency scenarios.

test: enhance project and scenario route tests

- Added tests to verify scenario list rendering and calculator shortcuts.
- Ensured scenario detail pages link back to the portfolio correctly.
- Validated project detail pages show associated scenarios accurately.

services/unit_of_work.py

@@ -14,12 +14,12 @@ from services.repositories import (
     PricingSettingsSeedResult,
     ProjectRepository,
     ProjectProfitabilityRepository,
-    ProjectProcessingOpexRepository,
+    ProjectOpexRepository,
     ProjectCapexRepository,
     RoleRepository,
     ScenarioRepository,
     ScenarioProfitabilityRepository,
-    ScenarioProcessingOpexRepository,
+    ScenarioOpexRepository,
     ScenarioCapexRepository,
     SimulationParameterRepository,
     UserRepository,
@@ -27,6 +27,7 @@ from services.repositories import (
     ensure_default_pricing_settings,
     ensure_default_roles,
     pricing_settings_to_metadata,
+    NavigationRepository,
 )
 from services.scenario_validation import ScenarioComparisonValidator
 
@@ -44,13 +45,14 @@ class UnitOfWork(AbstractContextManager["UnitOfWork"]):
         self.simulation_parameters: SimulationParameterRepository | None = None
         self.project_profitability: ProjectProfitabilityRepository | None = None
         self.project_capex: ProjectCapexRepository | None = None
-        self.project_processing_opex: ProjectProcessingOpexRepository | None = None
+        self.project_opex: ProjectOpexRepository | None = None
         self.scenario_profitability: ScenarioProfitabilityRepository | None = None
         self.scenario_capex: ScenarioCapexRepository | None = None
-        self.scenario_processing_opex: ScenarioProcessingOpexRepository | None = None
+        self.scenario_opex: ScenarioOpexRepository | None = None
         self.users: UserRepository | None = None
         self.roles: RoleRepository | None = None
         self.pricing_settings: PricingSettingsRepository | None = None
+        self.navigation: NavigationRepository | None = None
 
     def __enter__(self) -> "UnitOfWork":
         self.session = self._session_factory()
@@ -62,17 +64,18 @@ class UnitOfWork(AbstractContextManager["UnitOfWork"]):
         self.project_profitability = ProjectProfitabilityRepository(
             self.session)
         self.project_capex = ProjectCapexRepository(self.session)
-        self.project_processing_opex = ProjectProcessingOpexRepository(
+        self.project_opex = ProjectOpexRepository(
             self.session)
         self.scenario_profitability = ScenarioProfitabilityRepository(
             self.session
         )
         self.scenario_capex = ScenarioCapexRepository(self.session)
-        self.scenario_processing_opex = ScenarioProcessingOpexRepository(
+        self.scenario_opex = ScenarioOpexRepository(
             self.session)
         self.users = UserRepository(self.session)
         self.roles = RoleRepository(self.session)
         self.pricing_settings = PricingSettingsRepository(self.session)
+        self.navigation = NavigationRepository(self.session)
         self._scenario_validator = ScenarioComparisonValidator()
         return self
 
@@ -90,13 +93,14 @@ class UnitOfWork(AbstractContextManager["UnitOfWork"]):
         self.simulation_parameters = None
         self.project_profitability = None
         self.project_capex = None
-        self.project_processing_opex = None
+        self.project_opex = None
         self.scenario_profitability = None
         self.scenario_capex = None
-        self.scenario_processing_opex = None
+        self.scenario_opex = None
         self.users = None
         self.roles = None
         self.pricing_settings = None
+        self.navigation = None
 
     def flush(self) -> None:
         if not self.session: