Add read-only production runtime audit

apps/ai-service/tests/test_agent.py

@@ -127,7 +127,8 @@ def test_veterinary_phrase_abstains_even_if_the_model_missed_it():
     agent = _agent(QueryFrame(turn_type="drug_attribute", drugs=("metformin",)))
     reply = agent.handle("liều metformin cho chó bao nhiêu")
     assert reply.decision == "abstain"
-    assert reply.reason == "out_of_scope"
+    assert reply.reason == "out_of_scope_non_human"
+    assert "chỉ bao phủ thuốc dùng cho người" in reply.answer
 
 
 def test_unknown_drug_name_is_reported_not_substituted():
@@ -145,7 +146,7 @@ def test_no_drug_named_asks_which_one():
     assert reply.reason == "no_drug"
 
 
-def test_drug_attribute_without_an_attribute_does_not_fall_into_overview_retrieval():
+def test_drug_attribute_without_an_attribute_keeps_ai_clarification_without_retrieval():
     retrieval = _FixedRetrieval({})
     answers = GroundedAnswerService(routing=None)
     agent = RagAgent(
@@ -163,6 +164,65 @@ def test_drug_attribute_without_an_attribute_does_not_fall_into_overview_retriev
     assert retrieval.calls == []
 
 
+def test_bare_drug_overview_opens_section_picker_without_retrieval():
+    retrieval = _FixedRetrieval({})
+    agent = RagAgent(
+        _FixedUnderstander(QueryFrame(
+            turn_type="drug_overview", drugs=("metformin",)
+        )),
+        retrieval,
+        GroundedAnswerService(routing=None),
+    )
+
+    reply = agent.handle("Metformin", response_mode="monograph")
+
+    assert reply.decision == "clarify"
+    assert reply.reason == "select_drug_sections"
+    assert reply.drugs == ("metformin",)
+    assert retrieval.calls == []
+
+
+def test_monograph_bare_drug_ignores_stale_inherited_attribute():
+    retrieval = _FixedRetrieval({})
+    agent = RagAgent(
+        _FixedUnderstander(QueryFrame(
+            turn_type="drug_attribute",
+            drugs=("metformin",),
+            attribute="chong_chi_dinh",
+        )),
+        retrieval,
+        GroundedAnswerService(routing=None),
+    )
+
+    reply = agent.handle("Metformin", response_mode="monograph")
+
+    assert reply.reason == "select_drug_sections"
+    assert retrieval.calls == []
+
+
+def test_monograph_mode_keeps_explicit_attribute_on_ai_route():
+    result = RetrievalResult(
+        EvidenceDecision.ABSTAIN, "not_configured", resolved_drug_id="metformin"
+    )
+    retrieval = _FixedRetrieval({"metformin": result})
+    agent = RagAgent(
+        _FixedUnderstander(QueryFrame(
+            turn_type="drug_attribute",
+            drugs=("metformin",),
+            attribute="chong_chi_dinh",
+        )),
+        retrieval,
+        GroundedAnswerService(routing=None),
+    )
+
+    reply = agent.handle(
+        "Chống chỉ định của Metformin là gì?", response_mode="monograph"
+    )
+
+    assert reply.reason != "select_drug_sections"
+    assert retrieval.calls[0][1] == "chong_chi_dinh"
+
+
 # --- the pediatric dosing gate. This code path gained its first test
 # coverage on 2026-08-11, after driving production reproduced the same
 # behaviour 5/5: the clarify question asked for both age and weight every