chore: init frontend+backend skeleton

2026-02-12 08:54:44 +00:00
--- a/backend/tests/test_main.cc
+++ b/backend/tests/test_main.cc
@@ -0,0 +1 @@
+// Intentionally empty: Catch2WithMain provides main().
				`@@ -0,0 +1 @@`
				`// Intentionally empty: Catch2WithMain provides main().`