fix(bedrock): preserve reasoningContent across converse normalization

tests/agent/test_bedrock_adapter.py

@@ -994,6 +994,7 @@ class TestStreamConverseWithCallbacks:
             events, on_reasoning_delta=lambda t: reasoning.append(t),
         )
         assert reasoning == ["Let me think..."]
+        assert result.choices[0].message.reasoning_content == "Let me think..."
 
 
 # ---------------------------------------------------------------------------

tests/agent/transports/test_bedrock_transport.py

@@ -142,6 +142,24 @@ class TestBedrockNormalize:
         assert len(nr.tool_calls) == 1
         assert nr.tool_calls[0].name == "terminal"
 
+    def test_raw_reasoning_content_response(self, transport):
+        raw = {
+            "output": {
+                "message": {
+                    "role": "assistant",
+                    "content": [
+                        {"reasoningContent": {"text": "Let me think..."}},
+                        {"text": "Answer."},
+                    ],
+                }
+            },
+            "stopReason": "end_turn",
+            "usage": {"inputTokens": 10, "outputTokens": 5, "totalTokens": 15},
+        }
+        nr = transport.normalize_response(raw)
+        assert nr.reasoning == "Let me think..."
+        assert nr.content == "Answer."
+
     def test_already_normalized_response(self, transport):
         """Test normalize_response handles already-normalized SimpleNamespace (from dispatch site)."""
         pre_normalized = SimpleNamespace(