Separate chart S/R from gate target ladder

tests/unit/test_rr_scanner_integration.py

@@ -8,6 +8,7 @@ correct TradeSetup field population, and database persistence.
 
 from __future__ import annotations
 
+import json
 from datetime import date, datetime, timedelta, timezone
 
 import pytest
@@ -152,7 +153,13 @@ async def test_scan_ticker_full_flow_quality_selection_and_persistence(
     assert len(pre_setups) == 1, "Dummy old setup should exist before scan"
 
     # -- Act: run scan_ticker --
-    setups = await scan_ticker(scan_session, "INTEG", rr_threshold=1.5, atr_multiplier=1.5)
+    setups = await scan_ticker(
+        scan_session,
+        "INTEG",
+        rr_threshold=1.5,
+        atr_multiplier=1.5,
+        gate_levels_override=sr_levels,
+    )
 
     # -- Assert: both directions produced --
     assert len(setups) == 2, f"Expected 2 setups (long + short), got {len(setups)}"
@@ -255,3 +262,61 @@ async def test_scan_ticker_full_flow_quality_selection_and_persistence(
     assert persisted_short.entry_price == short_setup.entry_price
     assert persisted_short.stop_loss == short_setup.stop_loss
     assert persisted_short.composite_score == short_setup.composite_score
+
+
+@pytest.mark.asyncio
+async def test_scan_ticker_uses_transient_ladder_not_persisted_chart_levels(
+    scan_session: AsyncSession,
+    monkeypatch,
+):
+    ticker = Ticker(symbol="DUAL")
+    scan_session.add(ticker)
+    await scan_session.flush()
+    scan_session.add_all(_make_ohlcv_bars(ticker.id, num_bars=20, base_close=100.0))
+    scan_session.add(SRLevel(
+        ticker_id=ticker.id,
+        price_level=130.0,
+        type="resistance",
+        strength=100,
+        detection_method="pivot_point",
+    ))
+    await scan_session.commit()
+
+    ladder = [
+        {
+            "price_level": 105.0,
+            "type": "resistance",
+            "strength": 90,
+            "detection_method": "range_grid",
+            "sources": ["range_grid"],
+            "rejection_count": 5,
+            "last_rejection_age": None,
+        },
+        {
+            "price_level": 95.0,
+            "type": "support",
+            "strength": 85,
+            "detection_method": "range_grid",
+            "sources": ["range_grid"],
+            "rejection_count": 4,
+            "last_rejection_age": None,
+        },
+    ]
+    monkeypatch.setattr(
+        "app.services.rr_scanner_service.detect_gate_target_ladder",
+        lambda highs, lows, closes: ladder,
+    )
+
+    setups = await scan_ticker(
+        scan_session,
+        "DUAL",
+        rr_threshold=1.5,
+    )
+
+    long_setup = next(setup for setup in setups if setup.direction == "long")
+    assert long_setup.target == pytest.approx(105.0, abs=0.01)
+    assert long_setup.target != pytest.approx(130.0, abs=0.01)
+    targets = json.loads(long_setup.targets_json or "[]")
+    assert targets
+    assert all(target["sr_level_id"] < 0 for target in targets)
+    assert all(target["sr_sources"] == ["range_grid"] for target in targets)