app/api/patient_web.py

@@ -148,6 +148,10 @@ async def auth_emias_demo(body: EmiasDemoIn) -> AuthOut:
     persona = next((p for p in fixtures.DEMO_PERSONAS if p.token == body.persona_token), None)
     if persona is None:
         raise HTTPException(404, "persona not found")
+    if persona.token == DEMO_SOURCE:
+        # Every visitor gets a private copy (never the shared account); this entry starts from consent and the
+        # initial questionnaires (subject to the screening switch), unlike the one-click chat demo.
+        return await _fresh_demo_copy(start_in_chat=False)
     await _seed_demo_persona(persona.token)
     log.info("web auth: emias demo tok=%s", persona.token[:6])
     return AuthOut(token=persona.token, mode="emias", display_name=persona.display_name)
@@ -158,6 +162,10 @@ DEMO_SOURCE = "tok-andrey"
 
 @router.post("/auth/demo/fresh", response_model=AuthOut)
 async def auth_demo_fresh() -> AuthOut:
+    return await _fresh_demo_copy(start_in_chat=True)
+
+
+async def _fresh_demo_copy(*, start_in_chat: bool) -> AuthOut:
     """Presentation entry: a fresh private copy of veteran Andrey for every sign-in — consent given, prescription
     and ЕМИАС record in place, dialog resting in the chat. Nobody's crisis or half-done questionnaire leaks into
     another viewer's demo. Synthetic data only."""
@@ -177,10 +185,12 @@ async def auth_demo_fresh() -> AuthOut:
             birth_year=now.year - 34,
             sex="m",
         )
+        if start_in_chat:
             await identity_repo.record_consent(s, token=token, version="demo", now=now)
     await _seed_demo_persona(token, source=DEMO_SOURCE)
     async with get_clinical_session() as s:
         await repo.upsert_profile(s, token=token, sex="m", birth_year=now.year - 34)
+        if start_in_chat:
             consent = {"consent": True, "consent_ver": "demo", "consent_at": now.isoformat(), "revoked_at": None}
             await repo.set_dialog_state(s, token=token, state="idle", data={**consent, "adult": True}, now=now)
     log.info("web auth: demo fresh tok=%s", token[:14])

app/dialog/flows/veteran_daily.py

@@ -62,6 +62,7 @@ from app.dialog.flows.meds import (
 )
 from app.dialog.fsm import Ctx, Step, abandonable, on_enter, state, trigger
 from app.dialog.scale_session import register_scale_intro
+from app.llm import agent
 
 PREFIX = "daily"
 STEPS = ("mood", "med", "sleep", "nightmares", "alcohol", "text")
@@ -429,6 +430,9 @@ async def _idle_text(ctx: Ctx, event: Event) -> Step:
     assert ctx.text is not None
     facts = await ctx.gateway.extract_checkin(ctx.text)
     if facts is None:
+        smart = await agent.answer_chat(ctx.token, ctx.text)
+        if smart is not None:
+            return Step(replies=[menu_reply(ctx, agent.render(smart))])
         text = await knowledge_answer(ctx, explicit=False) if looks_like_question(ctx.text) else None
         return Step(replies=[menu_reply(ctx, text or await ctx.gateway.phrase("support"))])
     fields: dict[str, Any] = {}
@@ -446,6 +450,14 @@ async def _idle_text(ctx: Ctx, event: Event) -> Step:
             text = (await side_effect_reply(ctx, codes)).text
     if fields:
         await save_checkin(ctx, **fields)
+    if not facts.quit_intent:
+        # Chat first: whatever the patient writes in idle gets the agent's answer; check-in signals above are
+        # recorded silently for the doctor. Quit intent keeps its rule reaction (explanation + doctor notified).
+        smart = await agent.answer_chat(ctx.token, ctx.text)
+        if smart is not None:
+            return Step(
+                replies=[menu_reply(ctx, agent.render(smart))], notify_monitoring=bool(fields or facts.side_effects)
+            )
     if text is None and facts.med_question and not facts.quit_intent:
         text = await answer_question(ctx, await current_prescription(ctx))
     # A question is answered even if it also mentioned alcohol/side effects (those are recorded above).

app/llm/agent/prompts.py

@@ -32,6 +32,10 @@ _SYSTEM_PROMPT = """Ты — помощник пациента в сервисе
 - проводить психотерапию; обещать конфиденциальность сверх реальной;
 - выдумывать факты, которых нет в результатах инструментов.
 
+На приветствия и болтовню («привет», «как дела?») отвечай коротко и тепло и предложи, с чем можешь помочь:
+вопросы о лечении, лекарствах, побочных эффектах, самочувствии. Про замену препарата или аналоги: объясни,
+что подбор и замену делает только врач, и при желании назови группу препарата по инструкции.
+
 Стиль: по-русски, на «вы», спокойно и по-человечески, 3–6 коротких предложений, без markdown-заголовков.
 Если в вопросе есть признаки угрозы жизни — коротко скажи, что важно сразу позвонить 112 или на телефон
 доверия {phone:helpline}, и что врач будет уведомлён."""

tests/test_api_patient_web.py

@@ -87,10 +87,14 @@ async def test_emias_rejects_unknown_code(client: AsyncClient) -> None:
 
 async def test_emias_demo_persona(client: AsyncClient) -> None:
     persona = fixtures.DEMO_PERSONAS[0]
-    res = await client.post("/api/v1/auth/emias/demo", json={"persona_token": persona.token})
+    res = (await client.post("/api/v1/auth/emias/demo", json={"persona_token": persona.token})).json()
-    assert res.json() == {"token": persona.token, "mode": "emias", "display_name": persona.display_name}
+    # Every visitor gets a private copy of the persona, never the shared account.
+    assert res["token"].startswith(persona.token + "-") and res["mode"] == "emias"
+    assert res["display_name"] == persona.display_name
+    again = (await client.post("/api/v1/auth/emias/demo", json={"persona_token": persona.token})).json()
+    assert again["token"] != res["token"]
     async with session.get_clinical_session() as s:
-        assert (await repo.get_profile(s, persona.token)).doctor_id == fixtures.DOCTOR_ID
+        assert (await repo.get_profile(s, res["token"])).doctor_id == fixtures.DOCTOR_ID
     missing = await client.post("/api/v1/auth/emias/demo", json={"persona_token": "tok-nobody"})
     assert missing.status_code == 404
 
@@ -141,8 +145,8 @@ async def test_today_links_prescription_to_reference_and_therapy_day(client: Asy
 
 
 async def test_demo_persona_week_mirrors_dashboard_story(client: AsyncClient) -> None:
-    persona = fixtures.DEMO_PERSONAS[0].token
+    auth = await client.post("/api/v1/auth/emias/demo", json={"persona_token": fixtures.DEMO_PERSONAS[0].token})
-    await client.post("/api/v1/auth/emias/demo", json={"persona_token": persona})
+    persona = auth.json()["token"]
     rx = (await client.get(f"/api/v1/me/{persona}/today")).json()["prescriptions"][0]
     assert rx["ref_id"] == "sertraline" and rx["therapy_day"] > 1
 
@@ -159,8 +163,8 @@ async def test_questionnaires_are_off_without_release_or_demo_flag(
 
 async def test_demo_flag_opens_intake_in_the_engine(client: AsyncClient, monkeypatch: pytest.MonkeyPatch) -> None:
     monkeypatch.setenv("INTAKE_DEMO", "1")
-    persona = fixtures.DEMO_PERSONAS[0].token
+    auth = await client.post("/api/v1/auth/emias/demo", json={"persona_token": fixtures.DEMO_PERSONAS[0].token})
-    await client.post("/api/v1/auth/emias/demo", json={"persona_token": persona})
+    persona = auth.json()["token"]
 
     async def press(button: str | None = None) -> list[str]:
         event = {"type": "button", "button": button} if button else {"type": "start"}

tests/test_dialog_idle_agent.py

@@ -0,0 +1,24 @@
+"""In idle every message goes to the chat agent (when it is on); quit intent keeps the rule reaction."""
+
+from app.llm import agent
+from app.llm.agent import AgentAnswer
+from tests.test_dialog_knowledge import TOKEN, engine, joined, say  # noqa: F401
+
+
+async def test_idle_text_goes_to_agent(engine, monkeypatch):  # noqa: F811
+    seen = []
+
+    async def fake(token, text, **kw):
+        seen.append(str(text))
+        return AgentAnswer(text="ОТВЕТ АГЕНТА", sources=[], tools=["search_guidelines"], provider="fake")
+
+    monkeypatch.setattr(agent, "answer_chat", fake)
+    for msg in ("прив", "какие у меня будут ощущения и побочки от лекарств", "а какие аналоги моего лекарства есть"):
+        replies = await say(engine, msg)
+        assert "ОТВЕТ АГЕНТА" in joined(replies), msg
+    assert len(seen) == 3 and all(t == TOKEN for t in [TOKEN])
+
+
+async def test_idle_falls_back_when_agent_off(engine):  # noqa: F811
+    replies = await say(engine, "прив")
+    assert replies and "ОТВЕТ АГЕНТА" not in joined(replies)

web/src/session/SessionContext.tsx

@@ -13,7 +13,11 @@ interface SessionApi {
 const Ctx = createContext<SessionApi | null>(null);
 
 export function SessionProvider({ children }: { children: ReactNode }) {
-  const [session, setSession] = useState<Session | null>(() => sessionStore.load());
+  // The old shared demo account ("tok-andrey") is retired: every visitor now gets a private copy.
+  const [session, setSession] = useState<Session | null>(() => {
+    const s = sessionStore.load();
+    return s && s.token === "tok-andrey" ? null : s;
+  });
 
   const signIn = useCallback((auth: AuthResult) => {
     const next: Session = { token: auth.token, mode: auth.mode, displayName: auth.display_name };