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))

backend/tests/test_instruments.py

@@ -0,0 +1,50 @@
+from __future__ import annotations
+
+from datetime import datetime
+from zoneinfo import ZoneInfo
+
+from app.market.instruments import (
+    next_session_expiry_ymd,
+    parse_option_inst_id,
+    pick_atm_strike,
+    select_option_pair,
+)
+
+_SH = ZoneInfo("Asia/Shanghai")
+
+
+def test_parse_option_inst_id() -> None:
+    y, s, o = parse_option_inst_id("ETH-USD_UM-260725-3500-C")
+    assert y == "260725"
+    assert s == 3500.0
+    assert o == "C"
+
+
+def test_pick_atm_strike() -> None:
+    assert pick_atm_strike([3400, 3500, 3600], 3510) == 3500
+
+
+def test_next_session_expiry_before_open() -> None:
+    now = datetime(2026, 7, 24, 15, 0, tzinfo=_SH)
+    assert next_session_expiry_ymd(now) == "260724"
+
+
+def test_next_session_expiry_after_open() -> None:
+    now = datetime(2026, 7, 24, 16, 0, tzinfo=_SH)
+    assert next_session_expiry_ymd(now) == "260725"
+
+
+def test_select_option_pair_atm() -> None:
+    rows = [
+        {"instId": "ETH-USD_UM-260725-3490-C", "state": "live"},
+        {"instId": "ETH-USD_UM-260725-3490-P", "state": "live"},
+        {"instId": "ETH-USD_UM-260725-3500-C", "state": "live"},
+        {"instId": "ETH-USD_UM-260725-3500-P", "state": "live"},
+        {"instId": "ETH-USD_UM-260726-3500-C", "state": "live"},
+        {"instId": "ETH-USD_UM-260726-3500-P", "state": "live"},
+    ]
+    pair = select_option_pair(rows, mark_px=3502, expiry_ymd="260725")
+    assert pair is not None
+    assert pair.strike == 3500
+    assert pair.call_inst_id.endswith("-3500-C")
+    assert pair.put_inst_id.endswith("-3500-P")