fix: correct auto-import order for namespace imports at file start

[mattiamanzati]

Summary

• Fixes auto-import with namespace import packages generating malformed code when the identifier is at the beginning of the file

Closes #414

Problem

When using namespaceImportPackages configuration and auto-completing an export like isAnyKeyword from effect/SchemaAST, the code was incorrectly generated as:

SchemaAST.import * as SchemaAST from "effect/SchemaAST";

Solution

The issue was in src/completions/middlewareAutoImports.ts where the order of text changes added to TypeScript's ChangeTracker was incorrect. The prefix (SchemaAST.) was being inserted before the import statement, but both targeted position 0. When the editor applies these changes sequentially with offset adjustment, the import ended up being placed after the prefix text.

The fix swaps the order of operations - the import statement is now added first, followed by the prefix. This ensures correct output:

import * as SchemaAST from "effect/SchemaAST";

SchemaAST.isAnyKeyword

[changeset-bot]

🦋 Changeset detected

Latest commit: 11dd8b4

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@effect/language-service	Patch

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