vscode

**Is your feature request related to a problem? Please describe.**
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**Additional context**
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The issue contains only the feature-request template and does not identify a problem, entry point, file, or test. First clarify the requested VS Code extension behavior and acceptance criteria; work is done only when a concrete feature and verification path are agreed.

Do mô hình lập chỉ mục viết ra từ nội dung của issue.