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.

middleware/auth_session.py

@@ -145,6 +145,7 @@ class AuthSessionMiddleware(BaseHTTPMiddleware):
 
         session.user = user
         session.scopes = tuple(payload.scopes)
+        session.set_role_slugs(role.name for role in getattr(user, "roles", []) if role)
         return True
 
     def _try_refresh_token(
@@ -166,6 +167,7 @@ class AuthSessionMiddleware(BaseHTTPMiddleware):
 
         session.user = user
         session.scopes = tuple(payload.scopes)
+        session.set_role_slugs(role.name for role in getattr(user, "roles", []) if role)
 
         access_token = create_access_token(
             str(user.id),