Implement KG-WP-0002 posture pilot scaffold

tests/test_posture.py

@@ -0,0 +1,42 @@
+from kings_guard.adapters import observation_from_audit_event
+from kings_guard.fixtures import load_qonto_assistant_pilot
+from kings_guard.posture import PostureEvaluator
+
+
+def test_qonto_pilot_produces_inflamed_posture_with_tolerance_context() -> None:
+    fixture = load_qonto_assistant_pilot()
+    observation = observation_from_audit_event(
+        fixture.audit_event,
+        subject_id=fixture.normalization_hints["subject_id"],
+        capability_scope=fixture.normalization_hints["capability_scope"],
+        identity_binding=fixture.normalization_hints["identity_binding"],
+        egress_destination=fixture.normalization_hints["egress_destination"],
+    )
+
+    evaluation = PostureEvaluator().evaluate(fixture.genome, observation)
+
+    assert evaluation.assessment.posture.value == "inflamed"
+    assert "credential_exfil_probe" in evaluation.assessment.findings
+    assert "tolerated:self-asserted-actor-claims" in evaluation.assessment.tolerated_findings
+    assert evaluation.assessment.risk_score >= 80
+
+
+def test_qonto_pilot_emits_advisory_only_effector_requests() -> None:
+    fixture = load_qonto_assistant_pilot()
+    observation = observation_from_audit_event(
+        fixture.audit_event,
+        subject_id=fixture.normalization_hints["subject_id"],
+        capability_scope=fixture.normalization_hints["capability_scope"],
+        identity_binding=fixture.normalization_hints["identity_binding"],
+        egress_destination=fixture.normalization_hints["egress_destination"],
+    )
+
+    evaluation = PostureEvaluator().evaluate(fixture.genome, observation)
+    signal = evaluation.signals[0]
+
+    assert signal.target_system == "qonto-assistant"
+    assert signal.signal_kind.value == "posture_hint"
+    assert signal.effector_requests[0].authority_boundary == "advisory_only"
+    assert signal.effector_requests[0].action == "lock_actor_temporarily"
+    assert signal.effector_requests[1].target_system == "state-hub"
+    assert signal.effector_requests[1].authority_boundary == "metadata_only"