fix: Diagnose and fix RAG system query failures#160

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sjsh-jason wants to merge 8 commits intohttps-deeplearning-ai:mainfrom

sjsh-jason:fix/rag-system-diagnostics

Commits on Mar 25, 2026

Initial commit of RAG Chatbot project
孙建
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Commits on Mar 27, 2026

fix: Diagnose and fix RAG system query failures

孙建
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claude
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feat: Add Chinese language support for RAG queries

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claude
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feat: Add language switching UI and i18n support for dynamic language selection

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claude
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fix: Support multilingual suggested questions based on language selection

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claude
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Commits on Mar 29, 2026

feat: Add course file upload functionality

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claude
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chore: Add project configuration and test files

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claude
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chore: 更新 Claude Code 权限配置

孙建
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claude
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