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**Is your feature request related to a problem? Please describe.**
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**Describe the solution you'd like**
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**Additional context**
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The issue body contains only the feature-request template and does not identify files, tests, entry points, or a requested change. Clarify the intended feature and expected behavior before locating the relevant VS Code extension code and defining completion criteria.

索引モデルが issue の本文から書いたものです。