Initial eth_hedge_sim: P0 market, auth UI, one-click deploy.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/tests/conftest.py

@@ -0,0 +1,8 @@
+from __future__ import annotations
+
+import sys
+from pathlib import Path
+
+BACKEND = Path(__file__).resolve().parents[1]
+if str(BACKEND) not in sys.path:
+    sys.path.insert(0, str(BACKEND))