Feature: Add new skos endpoints for schemes, collections and SKOS labels

[syphax-bouazzouni]

Requires

• Feature: Add better skos support: Schemes, Collections, Skos XL, SKOS mappings and Concepts tree filtering ontologies_linked_data#24

Context

This PR add all the required endpoints to use the new SKOS features, see details here: agroportal#24

Changes

• Add collection, schemes and skos labels endpoints and tests (4b5839e)
• Update instance controller to use the Instance model (9c7b68f)
• Update classes to endpoint to order or filter by an attribute, scheme or collection (c1b007a)

[Copilot]

Pull Request Overview

This PR adds new SKOS endpoints to support schemes, collections, and SKOS labels. It also updates tests and helper methods, and adjusts instance and class endpoints to include additional filtering, ordering, and unmapped handling.

• Adds test coverage for new SKOS label, schemes, and collections endpoints.
• Updates instance and class controllers for filtering and pagination.
• Modifies helper methods to support the new endpoints and improves dependency sourcing in the Gemfile.

Reviewed Changes

Copilot reviewed 15 out of 17 changed files in this pull request and generated 2 comments.

File	Description
test/controllers/*	New tests for skos_xl_label, schemes, collections, and instances
helpers/*	Added helper methods for schemes, collections, instances, and classes
controllers/*	New endpoints and updated logic for SKOS labels, schemes, collections, instances, and classes
Gemfile	Updated ontologies_linked_data dependency

Comments suppressed due to low confidence (1)

controllers/collection_controller.rb:1

• The file is named 'collection_controller.rb', which does not match the declared class name 'CollectionsController'; consider renaming the file to 'collections_controller.rb'.

class CollectionsController < ApplicationController