feat(lotto): briefing API 4계층 picks + tier_rationale 수용

lotto/tests/test_briefing_4tier.py

@@ -0,0 +1,52 @@
+import sys, os
+sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
+
+import pytest
+from app import db
+
+
+@pytest.fixture(autouse=True)
+def setup_db(tmp_path, monkeypatch):
+    test_db = tmp_path / "test.db"
+    monkeypatch.setattr(db, "DB_PATH", str(test_db))
+    db.init_db()
+    yield
+
+
+def test_save_briefing_4tier_roundtrip():
+    payload = {
+        "draw_no": 9999,
+        "picks": {"core":[{"numbers":[1,2,3,4,5,6],"risk_tag":"안정","reason":"x"}],
+                  "bonus":[], "extended":[], "pool":[]},
+        "narrative": {"headline":"H","summary_3lines":["a","b","c"],"retrospective":"r"},
+        "tier_rationale": {"bonus":"b1","extended":"e1","pool":"p1"},
+        "confidence": 70,
+        "model": "test",
+    }
+    bid = db.save_briefing(payload)
+    assert bid > 0
+    got = db.get_briefing(9999)
+    assert got["picks"]["core"][0]["numbers"] == [1,2,3,4,5,6]
+    assert got["tier_rationale"]["bonus"] == "b1"
+    assert got["narrative"]["retrospective"] == "r"
+
+
+def test_save_briefing_upsert_overwrites():
+    db.save_briefing({
+        "draw_no": 8888,
+        "picks": {"core":[], "bonus":[], "extended":[], "pool":[]},
+        "narrative": {"headline":"old","summary_3lines":["a","b","c"]},
+        "confidence": 50, "model": "v1",
+    })
+    db.save_briefing({
+        "draw_no": 8888,
+        "picks": {"core":[{"numbers":[10,20,30,40,41,42],"risk_tag":"공격","reason":"y"}],
+                  "bonus":[], "extended":[], "pool":[]},
+        "narrative": {"headline":"new","summary_3lines":["x","y","z"]},
+        "tier_rationale": {"bonus":"","extended":"","pool":""},
+        "confidence": 90, "model": "v2",
+    })
+    got = db.get_briefing(8888)
+    assert got["narrative"]["headline"] == "new"
+    assert got["confidence"] == 90
+    assert got["picks"]["core"][0]["risk_tag"] == "공격"