Seng/agent migration

[afterrburn]

Summary by CodeRabbit

Release Notes

• New Features

  • Added documentation question-answering agent with RAG capabilities.
  • Added interactive tutorial guidance agent with streaming responses.
  • Improved chat session persistence and management.
  • Added streaming support for real-time agent responses.

• Chores

  • Updated webhook endpoints for documentation sync.
  • Updated authentication and configuration infrastructure.

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