Properly Handle LLM Parsing Errors

[jfrank-summit]

Periodically, the LLM will return data in a way that cannot be properly parsed. This currently crashes the process. Instead, it should be handled gracefully with retries.

2025-01-19 23:41:21.812 | ERROR   | [app] | Error running workflow: Failed to parse. Text: "{"trends": [
    {
        "topic": "AI Agents and Crypto Ecosystem Evolution",
        "description": "Emerging narrative around AI agents, tokenization, and blockchain platforms like Solana and Base competing for dominance in the next-gen crypto ecosystem",
        "trendStrength": 0.85
    },
    {
        "topic": "Memecoin and Political Tokenization",
        "description": "Emerging trend of political figures and celebrities launching tokens, with Trump's memecoin sparking broader speculation about token launches",
        "trendStrength": 0.72
    }
], "summary": "The crypto landscape is undergoing a transformative moment, characterized by the convergence of AI agent technologies, blockchain platforms, and novel tokenization strategies. Solana has emerged as a key battleground, demonstrating significant momentum in both meme coin and AI agent narratives, with platforms like Virtuals pioneering AI agent tokenization. The recent Trump memecoin launch symbolizes a broader shift towards more dynamic, community-driven token ecosystems that challenge traditional financial paradigms. This convergence suggests we're witnessing the early stages of a radical reimagining of digital ownership, community engagement, and technological innovation, where the boundaries between speculation, technology, and social movement become increasingly blurred."}
```". Error: SyntaxError: Unexpected non-whitespace character after JSON at position 1365 (line 13 column 1)

Troubleshooting URL: https://js.langchain.com/docs/troubleshooting/errors/OUTPUT_PARSING_FAILURE/

{
  "llmOutput": "{\"trends\": [\n    {\n        \"topic\": \"AI Agents and Crypto Ecosystem Evolution\",\n        \"description\": \"Emerging narrative around AI agents, tokenization, and blockchain platforms like Solana and Base competing for dominance in the next-gen crypto ecosystem\",\n        \"trendStrength\": 0.85\n    },\n    {\n        \"topic\": \"Memecoin and Political Tokenization\",\n        \"description\": \"Emerging trend of political figures and celebrities launching tokens, with Trump's memecoin sparking broader speculation about token launches\",\n        \"trendStrength\": 0.72\n    }\n], \"summary\": \"The crypto landscape is undergoing a transformative moment, characterized by the convergence of AI agent technologies, blockchain platforms, and novel tokenization strategies. Solana has emerged as a key battleground, demonstrating significant momentum in both meme coin and AI agent narratives, with platforms like Virtuals pioneering AI agent tokenization. The recent Trump memecoin launch symbolizes a broader shift towards more dynamic, community-driven token ecosystems that challenge traditional financial paradigms. This convergence suggests we're witnessing the early stages of a radical reimagining of digital ownership, community engagement, and technological innovation, where the boundaries between speculation, technology, and social movement become increasingly blurred.\"}\n```",
  "sendToLLM": false,
  "lc_error_code": "OUTPUT_PARSING_FAILURE",
  "pregelTaskId": "bda08159-899b-5044-8e65-b082b882c442",
  "stack": "Error: Failed to parse. Text: \"{\"trends\": [\n    {\n        \"topic\": \"AI Agents and Crypto Ecosystem Evolution\",\n        \"description\": \"Emerging narrative around AI agents, tokenization, and blockchain platforms like Solana and Base competing for dominance in the next-gen crypto ecosystem\",\n        \"trendStrength\": 0.85\n    },\n    {\n        \"topic\": \"Memecoin and Political Tokenization\",\n        \"description\": \"Emerging trend of political figures and celebrities launching tokens, with Trump's memecoin sparking broader speculation about token launches\",\n        \"trendStrength\": 0.72\n    }\n], \"summary\": \"The crypto landscape is undergoing a transformative moment, characterized by the convergence of AI agent technologies, blockchain platforms, and novel tokenization strategies. Solana has emerged as a key battleground, demonstrating significant momentum in both meme coin and AI agent narratives, with platforms like Virtuals pioneering AI agent tokenization. The recent Trump memecoin launch symbolizes a broader shift towards more dynamic, community-driven token ecosystems that challenge traditional financial paradigms. This convergence suggests we're witnessing the early stages of a radical reimagining of digital ownership, community engagement, and technological innovation, where the boundaries between speculation, technology, and social movement become increasingly blurred.\"}\n```\". Error: SyntaxError: Unexpected non-whitespace character after JSON at position 1365 (line 13 column 1)\n\nTroubleshooting URL: https://js.langchain.com/docs/troubleshooting/errors/OUTPUT_PARSING_FAILURE/\n\n    at StructuredOutputParser.parse (file:///home/jfrank/repos/autonomys-agents/node_modules/langchain/dist/output_parsers/structured.js:84:23)\n    at StructuredOutputParser.parseResult (file:///home/jfrank/repos/autonomys-agents/node_modules/@langchain/core/dist/output_parsers/base.js:57:21)\n    at StructuredOutputParser._callWithConfig (file:///home/jfrank/repos/autonomys-agents/node_modules/@langchain/core/dist/output_parsers/base.js:43:72)\n    at StructuredOutputParser._callWithConfig (file:///home/jfrank/repos/autonomys-agents/node_modules/@langchain/core/dist/runnables/base.js:216:34)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async RunnableSequence.invoke (file:///home/jfrank/repos/autonomys-agents/node_modules/@langchain/core/dist/runnables/base.js:1251:27)\n    at async RunnableCallable.func (file:///home/jfrank/repos/autonomys-agents/dist/agents/workflows/kol/nodes/analyzeTrendNode.js:11:27)\n    at async RunnableCallable.invoke (file:///home/jfrank/repos/autonomys-agents/node_modules/@langchain/langgraph/dist/utils.js:79:27)\n    at async RunnableSequence.invoke (file:///home/jfrank/repos/autonomys-agents/node_modules/@langchain/core/dist/runnables/base.js:1245:33)\n    at async _runWithRetry (file:///home/jfrank/repos/autonomys-agents/node_modules/@langchain/langgraph/dist/pregel/retry.js:96:22)"
}