Scope

• Evaluate native ARM64 Pi KOS/dc-chain feasibility.
• Stage toolchain work under /mnt/kitchen/collab/d3-tui/toolchains.
• Try the most conservative build path.
• Build ops/toolchains/kos-smoke into a valid .elf.
• Document exact environment variables and source commands.

Out Of Scope

• Full game engine work.
• Asset conversion pipeline beyond toolchain needs.

Required Artifact

docs/KOS_SHACHI_FOUNDRY.md