fix: Szenario-Vergleich zeigt vor heute Ist-Saldo, veraltete Szenarien werden neu gerechnet (A11-T2)

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

finance/tests/test_gui.py

@@ -531,3 +531,37 @@ def test_szenario_loeschen_roundtrip_gui(client, db):
     db.commit()
     assert client.delete(f"/api/scenarios/{sc.id}", headers=H).status_code == 204
     assert "Wegwerf-Roundtrip" not in client.get("/szenarien").text
+
+
+def test_szenarien_seite_rechnet_veraltete_projektion_neu(client, db):
+    from sqlalchemy import func, select
+    from app.models.tables import ProjectionPoint
+    from app.services.projection_service import run_projection
+    client.post("/login", data={"username": "admin", "password": "geheim"})
+    sc = Scenario(name="Veraltet", description="", include_recurring=False,
+                  include_planned=False)
+    db.add(sc)
+    db.commit()
+    run_projection(db, sc, 10, date.today() - timedelta(days=3))
+    assert client.get("/szenarien").status_code == 200
+    first = db.execute(select(func.min(ProjectionPoint.day))
+                       .where(ProjectionPoint.scenario_id == sc.id)).scalar()
+    assert first == date.today() + timedelta(days=1)
+
+
+def test_refresh_fehler_bricht_seiten_nicht(client, monkeypatch):
+    def kaputt(session, today):
+        raise RuntimeError("absichtlich kaputt")
+    monkeypatch.setattr("app.routers.gui.refresh_stale_projections", kaputt)
+    client.post("/login", data={"username": "admin", "password": "geheim"})
+    for path in ("/", "/szenarien"):
+        assert client.get(path).status_code == 200, path
+
+
+def test_v_projection_zeigt_ist_serie_und_keine_alten_punkte():
+    from app.models.views import RESERVED_SCENARIO_NAME, VIEWS
+    body = VIEWS["v_projection"]
+    assert f"'{RESERVED_SCENARIO_NAME}'" in body
+    assert "p.day > CURRENT_DATE" in body
+    names = list(VIEWS)
+    assert names.index("v_balance_total") < names.index("v_projection")