feat(profile): add profile settings and LLM user context

backend/tests/test_products_helpers.py

@@ -11,15 +11,26 @@ from innercontext.api.products import (
     _build_shopping_context,
     _extract_requested_product_ids,
 )
-from innercontext.models import Product, ProductInventory, SkinConditionSnapshot
+from innercontext.models import (
+    Product,
+    ProductInventory,
+    SexAtBirth,
+    SkinConditionSnapshot,
+)
+from innercontext.models.profile import UserProfile
 
 
 def test_build_shopping_context(session: Session):
     # Empty context
-    ctx = _build_shopping_context(session)
+    ctx = _build_shopping_context(session, reference_date=date.today())
+    assert "USER PROFILE: no data" in ctx
     assert "(brak danych)" in ctx
     assert "POSIADANE PRODUKTY" in ctx
 
+    profile = UserProfile(birth_date=date(1990, 1, 10), sex_at_birth=SexAtBirth.MALE)
+    session.add(profile)
+    session.commit()
+
     # Add snapshot
     snap = SkinConditionSnapshot(
         id=uuid.uuid4(),
@@ -54,7 +65,10 @@ def test_build_shopping_context(session: Session):
     session.add(inv)
     session.commit()
 
-    ctx = _build_shopping_context(session)
+    ctx = _build_shopping_context(session, reference_date=date(2026, 3, 5))
+    assert "USER PROFILE:" in ctx
+    assert "Age: 36" in ctx
+    assert "Sex at birth: male" in ctx
     assert "Typ skóry: combination" in ctx
     assert "Nawilżenie: 3/5" in ctx
     assert "Wrażliwość: 4/5" in ctx
@@ -91,6 +105,7 @@ def test_suggest_shopping(client, session):
         assert data["suggestions"][0]["product_type"] == "cleanser"
         assert data["reasoning"] == "Test shopping"
         kwargs = mock_gemini.call_args.kwargs
+        assert "USER PROFILE:" in kwargs["contents"]
         assert "function_handlers" in kwargs
         assert "get_product_inci" in kwargs["function_handlers"]
         assert "get_product_safety_rules" in kwargs["function_handlers"]
@@ -111,7 +126,7 @@ def test_shopping_context_medication_skip(session: Session):
     session.add(p)
     session.commit()
 
-    ctx = _build_shopping_context(session)
+    ctx = _build_shopping_context(session, reference_date=date.today())
     assert "Epiduo" not in ctx