feat: implement export functionality for projects and scenarios with CSV and Excel support

routes/dashboard.py

@@ -7,8 +7,7 @@ from fastapi.responses import HTMLResponse
 from fastapi.templating import Jinja2Templates
 
 from dependencies import get_unit_of_work, require_authenticated_user
-from models import User
-from models import ScenarioStatus
+from models import ScenarioStatus, User
 from services.unit_of_work import UnitOfWork
 
 router = APIRouter(tags=["Dashboard"])
@@ -120,5 +119,9 @@ def dashboard_home(
         "recent_projects": _load_recent_projects(uow),
         "simulation_updates": _load_simulation_updates(uow),
         "scenario_alerts": _load_scenario_alerts(request, uow),
+        "export_modals": {
+            "projects": request.url_for("exports.modal", dataset="projects"),
+            "scenarios": request.url_for("exports.modal", dataset="scenarios"),
+        },
     }
     return templates.TemplateResponse(request, "dashboard.html", context)