feat: require gate reset before post-stop reentry

tests/unit/test_paper_trade_service.py

@@ -48,22 +48,18 @@ async def test_create_and_list_open(session):
     assert row["current_price"] == 110.0  # marked to the latest close
 
 
-async def test_create_trade_enforces_post_stop_lockdown_at_service_boundary(session):
+async def test_create_trade_enforces_post_stop_gate_reset_at_service_boundary(session):
     blocked_id = await _seed(session, "LOCKQ", close=100.0)
     released_id = await _seed(session, "FREEQ", close=100.0)
     today = date.today()
-    market_sessions = [
-        today - timedelta(days=8),
-        today - timedelta(days=7),
-        today - timedelta(days=6),
-        today - timedelta(days=3),
-        today - timedelta(days=2),
-        today - timedelta(days=1),
-    ]
-    for market_date in market_sessions:
-        session.add(BenchmarkPrice(symbol="SPY", date=market_date, close=400.0))
 
-    def stopped_trade(ticker_id: int, closed_on: date) -> PaperTrade:
+    def stopped_trade(ticker_id: int, *, gate_reset_complete: bool) -> PaperTrade:
+        closed_on = today - timedelta(days=10)
+        reset_at = datetime.combine(
+            closed_on + timedelta(days=1),
+            datetime.min.time(),
+            tzinfo=timezone.utc,
+        )
         return PaperTrade(
             user_id=1,
             ticker_id=ticker_id,
@@ -81,17 +77,21 @@ async def test_create_trade_enforces_post_stop_lockdown_at_service_boundary(sess
                 closed_on, datetime.min.time(), tzinfo=timezone.utc
             ),
             close_reason="stop",
+            reentry_gate_failed_at=reset_at if gate_reset_complete else None,
+            reentry_gate_requalified_at=(
+                reset_at + timedelta(days=1) if gate_reset_complete else None
+            ),
         )
 
     session.add_all(
         [
-            stopped_trade(blocked_id, market_sessions[1]),
-            stopped_trade(released_id, market_sessions[0]),
+            stopped_trade(blocked_id, gate_reset_complete=False),
+            stopped_trade(released_id, gate_reset_complete=True),
         ]
     )
     await session.commit()
 
-    with pytest.raises(ValidationError, match="1 market session remaining"):
+    with pytest.raises(ValidationError, match="requires a post-stop gate reset"):
         await svc.create_trade(
             session,
             1,