REF-22: Implement loading state animation for chat interface

[devin-ai-integration]

REF-22: Implement Loading State Animation for Chat Interface

Changes Made

• Added isStreamingComplete state variable to track streaming completion status
• Modified customHandleSubmit to set isStreamingComplete to false when starting a stream
• Updated onFinish callback to set isStreamingComplete to true when streaming ends
• Added error handling to set isStreamingComplete to true in case of errors
• Updated Messages component to accept isStreamingComplete prop
• Modified the condition for showing ThinkingMessage to persist during streaming until completion
• Updated memo comparison function to include the new prop

Testing

• Verified changes with local development server
• Confirmed loading animation persists during streaming until completion
• Ran lint checks to ensure code quality

Link to Devin run

https://app.devin.ai/sessions/a50049bd1a604c78be03b007cefdfd53

Requested by

dev@refact.co

[devin-ai-integration]

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