feat: reorder project route registration to prioritize static UI paths and add pytest coverage for navigation endpoints

tests/test_dashboard_route.py

@@ -71,3 +71,15 @@ class TestDashboardRoute:
         assert "No simulation runs yet" in html
         assert "All scenarios look good" in html
         assert "—" in html  # Last data import placeholder
+
+
+class TestProjectUIRoutes:
+    def test_projects_ui_page_resolves(self, client: TestClient) -> None:
+        response = client.get("/projects/ui")
+        assert response.status_code == 200
+        assert "Projects" in response.text
+
+    def test_projects_create_form_resolves(self, client: TestClient) -> None:
+        response = client.get("/projects/create")
+        assert response.status_code == 200
+        assert "Create Project" in response.text