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This commit migrates the application from using OpenAI's Assistants API (threads/runs) to the modern Vercel AI SDK streamText chat API. Key changes: **Package Updates:** - Next.js 14.2 → 15.3 (with turbopack) - React 18 → React 19 - react-markdown 8 → 10 - next-auth updated to 5.0.0-beta.25 - Updated Radix UI components to latest versions - Updated remark plugins for react-markdown v10 compatibility - Zod downgraded from v4 to v3 for AI SDK compatibility **API Migration:** - Replaced `/api/assistants/threads/messages` with `/api/chat` - Migrated from AssistantResponse to streamText - Tools defined inline with Zod schemas and execute functions - Messages stored in Vercel KV instead of OpenAI threads **Component Updates:** - Chat component: useAssistant → useChat hook - Updated ChatPanel, PromptForm, ChatList, ChatMessage for new API - AgentCard updated with onNewChat callback - Fixed react-markdown v10 breaking changes (removed className prop, linkTarget) **Next.js 15 Compatibility:** - params/searchParams are now Promises (awaited in pages) - cookies() is now async (await cookies()) - Updated Radix UI Portal components (removed className prop) - Fixed RefObject types for React 19
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Closing as superseded by current main. The repo already uses /api/chat, @ai-sdk/react useChat, Next.js 15+ async params/cookies patterns, and newer package upgrades. The only divergence is that main retained extra legacy-thread compatibility on top of this migration. |
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This commit migrates the application from using OpenAI's Assistants API (threads/runs) to the modern Vercel AI SDK streamText chat API.
Key changes:
Package Updates:
API Migration:
/api/assistants/threads/messageswith/api/chatComponent Updates:
Next.js 15 Compatibility: