test: increased cb test coverage

test/unit/api/v1/endpoints/test_router.py

@@ -0,0 +1,16 @@
+from fastapi.routing import APIRoute
+
+from control_backend.api.v1.router import api_router  # <--- corrected import
+
+
+def test_router_includes_expected_paths():
+    """Ensure api_router includes main router prefixes."""
+    routes = [r for r in api_router.routes if isinstance(r, APIRoute)]
+    paths = [r.path for r in routes]
+
+    # Ensure at least one route under each prefix exists
+    assert any(p.startswith("/robot") for p in paths)
+    assert any(p.startswith("/message") for p in paths)
+    assert any(p.startswith("/sse") for p in paths)
+    assert any(p.startswith("/logs") for p in paths)
+    assert any(p.startswith("/program") for p in paths)