dongshengyuan
a6f7ded859
The feature JSON payload switched to `id`, `isEnabled`, and `appstream`, and made `documentation` an array of URLs. `updatectl` still parsed legacy table-derived names and a single URL. This broke feature JSON parsing and made output inconsistent. Features without documentation could also cause a null dereference. Align `updatectl` with the current schema and preserve all documentation URLs across sysupdate, D-Bus, and Varlink payloads. Propagate condition evaluation errors through `condition_test_list()` and `feature_is_suggested()`, with consistent JSON error handling and tests. The `suggested` field is now optional and always a boolean when present; it is omitted rather than set to an error string when SuggestOn*= conditions cannot be evaluated. Add `suggested` metadata and document the field transition. Follow-up for3e34ccf6df. Follow-up for75a247d4de. Follow-up for40e727c93b. Fixes #43603
System and Service Manager
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