feat(questionnaire): integrate revised intake and follow-up monitoring

Add gated TSQ, Russian C-SSRS Recent, durable responses and notifications, diaries, schedules and audited clinical review. Preserve manual assessment when the Russian follow-up source is unavailable.

Refs #52

tests/test_intake_runtime.py

@@ -0,0 +1,110 @@
+"""Synthetic exhaustive scoring and calendar/diary boundary checks."""
+
+from datetime import date, timedelta
+from itertools import product
+
+import pytest
+
+from app.core.intake_runtime import diary_flags, due_scales, load_runtime, month_before
+from app.core.questionnaire import IntakePolicy, alcohol_expansion, load_policy, score_alcohol
+from app.core.scales import score
+
+
+def test_release_is_closed():
+    assert not load_runtime().released
+    assert load_policy().approval is None
+
+
+def test_all_tsq_patterns():
+    for answers in product((0, 1), repeat=10):
+        result = score("tsq", {f"tsq_{i + 1}": v for i, v in enumerate(answers)})
+        assert result.complete and result.total == sum(answers)
+        assert (result.severity_code == "positive") == (sum(answers) >= 6)
+
+
+@pytest.mark.parametrize(
+    "day,expected",
+    [
+        (date(2024, 3, 31), date(2024, 2, 29)),
+        (date(2025, 3, 31), date(2025, 2, 28)),
+        (date(2026, 1, 1), date(2025, 12, 1)),
+    ],
+)
+def test_calendar_month(day, expected):
+    assert month_before(day) == expected
+
+
+def test_medication_schedule_overlapping_and_delayed_completion():
+    start = date(2026, 1, 1)
+    last = {}
+    for day in (6, 7, 13, 14, 27, 28, 55, 56):
+        due = due_scales(
+            today=start + timedelta(days=day), enrolled=start, last=last, route="self_help", medication_changed=start
+        )
+        assert ("phq9" in due) == (day in (7, 14, 28, 56))
+        if "phq9" in due:
+            last.update(phq9=start + timedelta(days=day), pcl5=start + timedelta(days=day))
+    # A missed tick yields one form, not each historical milestone.
+    assert (
+        due_scales(
+            today=start + timedelta(days=80), enrolled=start, last={}, route="self_help", medication_changed=start
+        ).count("phq9")
+        == 1
+    )
+    assert "phq9" in due_scales(
+        today=start + timedelta(days=7), enrolled=start, last={}, route="specialist", after_crisis=start
+    )
+
+
+def test_diary_consecutive_days_and_baseline_do_not_include_bad_window():
+    today = date(2026, 10, 3)
+    history = {today - timedelta(days=i): {"mood": 8} for i in range(3, 10)}
+    for i in range(3):
+        history[today - timedelta(days=i)] = {"mood": 5, "sleep_hours": 3.9, "medication": "none"}
+    assert set(diary_flags(history, today)) == {"phq9_due_mood", "sleep_review", "medication_contact"}
+    history[today - timedelta(days=1)] = {}
+    assert diary_flags(history, today) == ()
+    history[today]["death_thoughts"] = 1
+    assert diary_flags(history, today) == ("suicide_assessment_now",)
+
+
+def test_sleep_alternation_counts_but_threshold_is_strict():
+    today = date(2026, 10, 3)
+    h = {
+        today: {"nightmares": 3},
+        today - timedelta(days=1): {"sleep_hours": 3.5},
+        today - timedelta(days=2): {"sleep_hours": 3.5},
+    }
+    assert "sleep_review" in diary_flags(h, today)
+    h[today - timedelta(days=1)]["sleep_hours"] = 4
+    assert "sleep_review" not in diary_flags(h, today)
+
+
+def test_total_threshold_and_zone_are_separate_decisions():
+    data = load_policy().model_dump()
+    data.update(cssrs_positive_policy="graded", rus_audit_s_expand_at=1)
+    data["approval"] = dict(
+        reviewer="Synthetic fixture",
+        decision_reference="test",
+        approved_at="2026-10-03T00:00:00Z",
+        policy_version=data["version"],
+    )
+    policy = IntakePolicy.model_validate(data)
+    r = score_alcohol({"rus_audit_3": 1, "rus_audit_9": 0, "rus_audit_10": 0}, short=True, sex="m")
+    assert r.zone == 1 and alcohol_expansion(r, policy)
+    with pytest.raises(ValueError):
+        IntakePolicy.model_validate({**data, "rus_audit_s_expand_from_zone": 2})
+
+
+def test_module_rotation_never_drops_suicide_question():
+    from app.core.intake_questions import diary_questions
+
+    first = {
+        q.id for q in diary_questions(["veteran", "depression"], suicide_monitoring=False, weekday=0, day_index=100)
+    }
+    second = {
+        q.id for q in diary_questions(["veteran", "depression"], suicide_monitoring=False, weekday=1, day_index=101)
+    }
+    assert "death_thoughts" in first & second
+    assert "nightmares" in first and "nightmares" not in second
+    assert "burden" in first and "burden" not in second