Fix duplicated IHttpMigrateRoute.accessor.

[samchon]

This pull request updates the package version and introduces logic to ensure unique route accessors during migration, along with a new test to validate this behavior.

Route accessor uniqueness improvements

• Added logic in HttpMigrateRouteAccessor to detect and resolve accessor collisions by prefixing conflicting segments with an underscore, ensuring all route accessors are unique.

Testing

• Added a new test test_http_migrate_route_accessor_slice to verify that route accessors are generated correctly and collisions are handled as expected.

Package version

• Bumped the package version in package.json from 4.2.0 to 4.2.1.

[Copilot]

Pull Request Overview

This PR fixes duplicated route accessors in HTTP migration by implementing collision detection and resolution logic, ensuring all route accessors are unique by prefixing conflicting segments with underscores.

• Added collision detection and resolution logic in HttpMigrateRouteAccessor to handle duplicate route accessors
• Created a new test to validate the accessor uniqueness functionality
• Bumped package version to reflect the bug fix

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
src/composers/migrate/HttpMigrateRouteAccessor.ts	Implements logic to detect and resolve accessor collisions by prefixing with underscores
test/src/features/migrate/test_http_migrate_route_accessor_slice.ts	New test validating route accessor uniqueness and collision resolution
package.json	Version bump from 4.2.0 to 4.2.1

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