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   - Use object destructuring for clearer variable assignment.
   - Utilize the nullish coalescing operator to simplify ternary expressions.
   - Refactored the import statement to remove duplication.

translation-common.json is the base
translation-formal.json and translation-informal.json extend the base

Spanish translation updates

feat: case-insensitive @model-name search

feat: case-insensitive prompt search

Applied formatting