Task: Artificial Intelligence Reddit n8n assistance detector

n8n workflow JSON:
{"meta":{"instanceId":"3c58c896c9089c8fb4d7f2b069bf3119193f239a1f538829758e2f4d6b5f5b24"},"nodes":[{"id":"d0ad226e-2d85-4e06-b6fa-8b2cc8fc90b5","name":"When clicking \"Execute Workflow\"","type":"n8n-nodes-base.manualTrigger","position":[700,320],"parameters":{},"typeVersion":1},{"id":"39121541-d712-41f6-9377-6272cee44e0b","name":"Get posts from r/n8n","type":"n8n-nodes-base.reddit","position":[900,320],"parameters":{"filters":{},"operation":"getAll","subreddit":"n8n"},"credentials":{"redditOAuth2Api":{"id":"26","name":"Reddit account"}},"typeVersion":1},{"id":"c4a09dbc-7c94-4613-9f5b-fe0791e4eb48","name":"Asking for help/assistance?","type":"n8n-nodes-base.openAi","position":[1300,320],"parameters":{"prompt":{"messages":[{"content":"=I am going to send you a social media comment about software called n8n. Can you tell me if the author is asking for help in using n8n?\nThis is the post: \n\"{{ $json.selftext || $json.title }}\"\nYour answer should be just 'yes' or 'no'."}]},"options":{},"resource":"chat"},"credentials":{"openAiApi":{"id":"18","name":"OpenAi account"}},"typeVersion":1},{"id":"dabd7210-7202-4573-95ad-68b553190618","name":"Code","type":"n8n-nodes-base.code","position":[1500,320],"parameters":{"jsCode":"return $('Get only recent posts with < 3 comments').all().filter((itm) => {\n  const index = $('Get only recent posts with < 3 comments').all().indexOf(itm);\n  const result = $input.all()[index].json.message.content;\n  \n  return result.toLowerCase().startsWith('yes');\n});"},"typeVersion":1},{"id":"632955e8-0974-463a-a901-399703b6afab","name":"Slack","type":"n8n-nodes-base.slack","position":[1720,320],"parameters":{"text":"=🆘 Reddit user *{{ $json.author_fullname }}* just asked for help:\n> {{ $json.title }}\n```\n{{ $json.selftext || '-- Empty message --' }}\n```\n<https://www.reddit.com{{ $json.permalink }}|Link to post>\n","select":"channel","channelId":{"__rl":true,"mode":"list","value":"C054U2YJ3CN","cachedResultName":"slack-message-test"},"otherOptions":{"mrkdwn":true},"authentication":"oAuth2"},"credentials":{"slackOAuth2Api":{"id":"21","name":"Slack account"}},"typeVersion":2},{"id":"c9b8e0a9-d5cb-4102-b56a-dfbfa86089e5","name":"Get only recent posts with < 3 comments","type":"n8n-nodes-base.code","position":[1100,320],"parameters":{"jsCode":"return $input.all().filter((itm) => {\n  return itm.json.created > $now.minus({ days: 105 }).toSeconds() \n    && itm.json.num_comments <= 3;\n});"},"typeVersion":1}],"connections":{"Code":{"main":[[{"node":"Slack","type":"main","index":0}]]},"Get posts from r/n8n":{"main":[[{"node":"Get only recent posts with < 3 comments","type":"main","index":0}]]},"Asking for help/assistance?":{"main":[[{"node":"Code","type":"main","index":0}]]},"When clicking \"Execute Workflow\"":{"main":[[{"node":"Get posts from r/n8n","type":"main","index":0}]]},"Get only recent posts with < 3 comments":{"main":[[{"node":"Asking for help/assistance?","type":"main","index":0}]]}}}