{"record":{"id":"d519d54f4657fbf1","repo":"davila7/claude-code-templates","slug":"error-handling-conversation-change","errorCode":null,"errorMessage":"⚠️  Error handling conversation change:","messagePattern":"⚠️  Error handling conversation change:","errorType":"console","errorClass":null,"httpStatus":null,"severity":"warning","filePath":"cli-tool/src/chats-mobile.js","lineNumber":969,"sourceCode":"                  message: message,\n                  metadata: {\n                    timestamp: new Date().toISOString(),\n                    totalMessages: currentCount,\n                    hasTools: !!(message.toolResults && message.toolResults.length > 0),\n                    toolCount: toolCount,\n                    messageIndex: parsedMessages.indexOf(message),\n                    isUpdated: isUpdatedMessage\n                  }\n                }\n              });\n            }\n          }\n        } else {\n          console.log(chalk.gray(`📝 No new messages in conversation ${conversationId.slice(-8)} (${currentCount} total)`));\n        }\n      }\n    } catch (error) {\n      console.warn(chalk.yellow('⚠️  Error handling conversation change:', error.message));\n    }\n  }\n\n  /**\n   * Setup WebSocket server for real-time updates (will be initialized after HTTP server starts)\n   */\n  async setupWebSocket() {\n    // WebSocketServer will be initialized after HTTP server is created\n    console.log(chalk.gray('🔧 WebSocket server setup prepared'));\n  }\n\n  /**\n   * Helper function to get message preview with context\n   */\n  getMessagePreview(text, searchTerm, contextLength = 100) {\n    const lowerText = text.toLowerCase();\n    const lowerTerm = searchTerm.toLowerCase();\n    const position = lowerText.indexOf(lowerTerm);","sourceCodeStart":951,"sourceCodeEnd":987,"githubUrl":"https://github.com/davila7/claude-code-templates/blob/a0851ed10c7c60463dac8cfaaca124cf32d5804d/cli-tool/src/chats-mobile.js#L951-L987","documentation":"The fs change handler for a conversation file caught an error while processing new messages (reading the changed .jsonl, diffing counts, notifying WebSocket clients). The change event is dropped; the watcher remains active for future events.","triggerScenarios":"A change event fires for a conversation file that was deleted/renamed before the handler read it, or whose new content fails parsing/counting — read ENOENT or parse error inside the handler.","commonSituations":"Conversation cleanup scripts racing the watcher; Claude Code rotating/truncating files; rapid successive change events during heavy sessions.","solutions":["Ignore — the handler recovers on the next change event","Reduce churn: exclude cleanup scripts from touching active conversation dirs","If persistent, restart the mobile chats server after updating the CLI","Check server logs for the underlying error.message for repeated same-file failures"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":"// Re-check existence inside the handler before reading\nconst st = await fs.stat(filePath).catch(() => null);\nif (!st) return; // file gone; nothing to do","typeGuard":null,"tryCatchPattern":"try { await this.handleConversationChange(file); }\ncatch (error) {\n  console.warn('Error handling conversation change:', error.message);\n  // do not rethrow: watcher stays healthy for future events\n}","preventionTips":["Make handlers idempotent — the next change event will re-read state","Debounce rapid successive events per file","Keep cleanup scripts from deleting files out from under the watcher"],"tags":["chats-mobile","file-watcher","change-handler"],"backgroundTag":"watcher-change-handler-error","analyzedSha":"a0851ed10c7c60463dac8cfaaca124cf32d5804d","analyzedAt":"2026-08-28T14:11:56.058Z","schemaVersion":2},"datasetVersion":"2026-08-28T16:17:29.566Z"}