The side panel was referenced from v0.2.5/v0.5/v0.8 but never defined or scheduled. Add it as a v0.1 build item, mark it unbuilt, and link the CONTEXT.md and product-design definitions.
The side panel was referenced from v0.2.5/v0.5/v0.8 but never defined or scheduled. Add it as a v0.1 build item, mark it unbuilt, and link the CONTEXT.md and product-design definitions.