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fix(providers): coerce typeless Anthropic content blocks to text (#3993)

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04cb 2026-05-29 22:06:43 +08:00 committed by Xubin Ren
parent 288146315e
commit 5fe57f8afa
1 changed files with 7 additions and 0 deletions
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7
nanobot/providers/anthropic_provider.py
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@ -228,6 +228,13 @@ class AnthropicProvider(LLMProvider):
if converted: if converted:
result.append(converted) result.append(converted)
continue continue
if not item.get("type"):
# Anthropic requires every content block to declare a "type".
# A tool that returned a bare dict (or a list of dicts) lands
# here; coerce it to a text block instead of emitting a block
# the API rejects with "content.0.type: Field required".
result.append({"type": "text", "text": str(item)})
continue
result.append(item) result.append(item)
return result or "(empty)" return result or "(empty)"