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tests/migration/test_vloop_transaction_confirmation_bypass.py

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+import pytest
+
+from agent_framework.guardrails.rails import LoopRail
+
+
+@pytest.mark.asyncio
+async def test_vloop_allows_repeated_reply_while_transaction_awaits_confirmation():
+    rail = LoopRail()
+    decision = await rail.evaluate(
+        "sim",
+        {
+            "transaction_status": "AWAITING_CONFIRMATION",
+            "history_texts": ["sim", "outra fala", "sim"],
+        },
+    )
+    assert decision.allowed is True
+    assert decision.metadata["mechanism"] == "deterministic_transaction_bypass"
+    assert decision.metadata["transaction_status"] == "AWAITING_CONFIRMATION"
+
+
+@pytest.mark.asyncio
+async def test_vloop_reads_awaiting_confirmation_from_active_transaction():
+    rail = LoopRail()
+    decision = await rail.evaluate(
+        "sim",
+        {
+            "active_transaction": {"status": "AWAITING_CONFIRMATION"},
+            "history_texts": ["sim", "sim"],
+        },
+    )
+    assert decision.allowed is True
+    assert decision.metadata["mechanism"] == "deterministic_transaction_bypass"
+
+
+@pytest.mark.asyncio
+async def test_vloop_still_blocks_actual_repetition_outside_transaction_confirmation():
+    rail = LoopRail()
+    decision = await rail.evaluate(
+        "sim",
+        {
+            "transaction_status": None,
+            "history_texts": ["sim", "outra fala", "sim"],
+        },
+    )
+    assert decision.allowed is False
+    assert decision.reason == "Possível loop conversacional"
+    assert decision.metadata["repeated"] is True