fix: handle Anthropic thinking blocks

packages/core/src/repowise/core/providers/llm/anthropic.py

@@ -219,8 +219,15 @@ async def _generate_with_retry(
             raise ProviderError("anthropic", str(exc), status_code=exc.status_code) from exc
 
         cached = getattr(response.usage, "cache_read_input_tokens", 0) or 0
+
+        text_content = ""
+        for block in response.content:
+            if hasattr(block, "text"):
+                text_content = block.text
+                break
+
         result = GeneratedResponse(
-            content=response.content[0].text,
+            content=text_content,
             input_tokens=response.usage.input_tokens,
             output_tokens=response.usage.output_tokens,
             cached_tokens=cached,

tests/unit/test_providers/test_anthropic_provider.py

@@ -11,6 +11,8 @@
 
 pytest.importorskip("anthropic", reason="anthropic SDK not installed")
 
+from anthropic.types import TextBlock, ThinkingBlock
+
 from repowise.core.providers.llm.anthropic import AnthropicProvider
 from repowise.core.providers.llm.base import GeneratedResponse, ProviderError, RateLimitError
 
@@ -158,6 +160,29 @@ async def fake_create(**kwargs):
     assert kw["messages"] == [{"role": "user", "content": "user msg"}]
 
 
+async def test_generate_skips_thinking_block_before_text():
+    provider = AnthropicProvider(api_key="sk-ant-test")
+    mock_response = _make_mock_response()
+    mock_response.content = [
+        ThinkingBlock(
+            type="thinking",
+            thinking="Internal reasoning",
+            signature="test-signature",
+        ),
+        TextBlock(
+            type="text",
+            text="Hello after thinking",
+        ),
+    ]
+
+    with patch("anthropic.AsyncAnthropic") as mock_client:
+        mock_client.return_value.messages.create = AsyncMock(return_value=mock_response)
+        provider._client = mock_client.return_value
+        result = await provider.generate("sys", "user")
+
+    assert result.content == "Hello after thinking"
+
+
 # ---------------------------------------------------------------------------
 # Error mapping
 # ---------------------------------------------------------------------------