Quote every interpolated value in the printed backlog list query

[sameera]

The backlog list query applies its quoting rule to the unplanned label alone; the resolved epic-repo is interpolated raw, so a declared value carrying whitespace yields a query that cannot be run.

Meta

• feature: docs/features/component-distribution
• estimate: S
• source: deferred from epic Port the toolkit shell and the shared delivery-config resolver to TypeScript (Port the toolkit shell and the shared delivery-config resolver to TypeScript #351) (2026-08-28)