The form captured name/description/platform/procedure/tool edits but
never sent them — the created test always used the raw template values.
- TestTemplateInstantiate schema: add optional override fields
(name, description, platform, procedure_text, tool_used)
- create_test_from_template service: accept *_override kwargs;
use override value when provided, fall back to template value
- Router: pass all override fields from payload to service
- Frontend API createTestFromTemplate: accept overrides object, spread into body
- TestFromTemplateForm: pass all form state values as overrides
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>