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

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

.gitignore

@@ -0,0 +1,35 @@
+# env / secrets
+.env
+.env.local
+*.pem
+
+# python
+__pycache__/
+*.py[cod]
+*.egg-info/
+.venv/
+venv/
+.pytest_cache/
+.mypy_cache/
+.ruff_cache/
+
+# local data
+backend/data/*.db
+backend/data/*.sqlite
+backend/data/*.sqlite3
+!backend/data/.gitkeep
+
+# frontend
+frontend/node_modules/
+frontend/dist/
+
+# ide / os
+.idea/
+.vscode/
+*.swp
+.DS_Store
+Thumbs.db
+
+# logs
+*.log
+logs/