[solo applicant] manually reorder two jobs within a kanban group and have the order persist

CareerVector user-story tests under ui/e2e/stories/ that previously each lived in their own singleton suite. Covers solo-applicant edge cases (industry-not-in-enum, missing home address, manual job reorder within group, peer CV/CL trees across languages, terminal-status auto grouping, read-only view link, quarry node activation, CV summary edit) and the agent-operator MCP "add job by shape" probe.

Proof set for Decide via reorder within group (manual position)

Story-focused browser specs tied to the behaviour catalog. This gate keeps the story-to-test translation honest while staying runner-only.