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Fixed tool call signature on history to allow showing tool call content when refreshing the page (#661)

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Lucas Oliveira 2025-12-12 14:03:58 -03:00 • committed by GitHub
parent ee16120cc2
commit 3c2774128b
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GPG key ID: B5690EEEBB952194
1 changed files with 12 additions and 11 deletions
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23
src/services/langflow_history_service.py
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@ -88,6 +88,7 @@ class LangflowHistoryService:
}
# Extract function calls from content_blocks if present
# Convert to match streaming format: chunk.item.type === "tool_call"
content_blocks = msg.get("content_blocks", [])
if content_blocks:
chunks = []
@ -95,23 +96,23 @@ class LangflowHistoryService:
if block.get("title") == "Agent Steps" and block.get("contents"):
for content in block["contents"]:
if content.get("type") == "tool_use":
# Convert Langflow tool_use format to OpenRAG chunks format
# Convert Langflow tool_use format to match streaming chunks format
# Frontend expects: chunk.item.type === "tool_call" with tool_name, inputs, results
chunk = {
"type": "function",
"function": {
"name": content.get("name", ""),
"arguments": content.get("tool_input", {}),
"response": content.get("output", {})
},
"function_call_result": content.get("output", {}),
"duration": content.get("duration"),
"error": content.get("error")
"type": "response.output_item.added",
"item": {
"type": "tool_call",
"tool_name": content.get("name", ""),
"inputs": content.get("tool_input", {}),
"results": content.get("output", {}),
"id": content.get("id") or content.get("run_id", ""),
"status": "completed" if not content.get("error") else "error"
}
}
chunks.append(chunk)
if chunks:
converted_msg["chunks"] = chunks
converted_msg["response_data"] = {"tool_calls": chunks}
converted_messages.append(converted_msg)