LiveView for creating and editing goods issues.
Handles:
:new— creates an empty draft and push_navigates to:edit.:edit— loads an existing issue; :general tab.:lines— lines tab: editable issued_quantity with current on-hand shown.Draft-only: "Import from internal order" button opens source_picker modal.:files— MediaBrowser; storage folder resolved asynchronously.:comments— goods issue comments thread.
Uses the admin-chrome pattern: use PhoenixKitWeb, :live_view +
<.admin_page_header>. No <Layouts.app>, no streams.
All navigation paths wrapped in PhoenixKit.Utils.Routes.path/1.