Csv template admin set context

[ShanaLMoore]

Summary

When HYRAX_FLEXIBLE is enabled and the user selects an admin set that has a metadata context (e.g. from the M3 profile), the CSV template download and validation now use that context. Context-gated properties (e.g. dimensions for ImageResource in special_context) are included in the template columns and in validation instead of being omitted.

Implementation: pass admin_set_id into CSV template generation and validation; call Hyrax.schema_for(klass:, admin_set_id:) so the schema reflects the admin set’s context; update the "Download CSV template" link in the v2 importer UI so the selected admin set is in the URL.

Ticket Number

• Update CSV template to consider contexts notch8/hyku-community-issues#69

Screenshots / Video

when an admin set using a context is selected, dimensions should be included in the template:
bulkrax_template_20260220_162644.csv

When an admin set is chosen, but it does not have a context - dimensions will not be included in the template:
bulkrax_template_20260220_162559.csv

Expected Behavior

• With HYRAX_FLEXIBLE and an admin set that has a context (e.g. special_context in the M3 profile), the downloaded CSV template includes columns for properties that are available_on that context (e.g. dimensions for ImageResource).
• Validation uses the same context-aware schema so those columns are recognized and validated.
• If no admin set is selected or the admin set has no context, behavior is unchanged (base schema, no context-only columns).

Sample Files

• Profile: metadata-profile-v.5.yml with a property under available_on.context (e.g. dimensions for ImageResource in special_context).
• A CSV exported from the new template for that admin set should include the context-specific column(s).

Notes

• Depends on Hyrax providing Hyrax.schema_for(klass:, admin_set_id:) and the admin set resource exposing contexts when flexible metadata is enabled.

[Copilot]

Pull request overview

This PR enables context-aware CSV template generation and validation in Bulkrax when HYRAX_FLEXIBLE is enabled. When a user selects an admin set with a metadata context (e.g., from the M3 profile), the CSV template download and validation now include context-gated properties like dimensions for ImageResource.

Changes:

• Pass admin_set_id parameter from the UI through the controller to the CsvValidationService for both template generation and validation
• Update the v2 importer UI to dynamically append the selected admin set ID to the CSV template download URL
• Add test coverage to verify admin_set_id is passed correctly to the service

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

File	Description
app/controllers/bulkrax/importers_controller.rb	Extracts admin_set_id from request parameters and passes it to CsvValidationService.generate_template
app/views/bulkrax/importers/new_v2.html.erb	Adds id and data attribute to the download template link for JavaScript manipulation
app/assets/javascripts/bulkrax/importers_stepper.js	Implements updateDownloadTemplateLink function to dynamically append admin_set_id to download URL
spec/controllers/bulkrax/importers_controller_spec.rb	Adds test to verify admin_set_id parameter is passed to the service

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[kirkkwang]

Looks great!