Part of the workspace-wide standards rollout. Establishes where work lives (issues vs ADRs vs standing law), scaffolds `docs/agents/` for the engineering skills, and adopts ADR-0001 locally. See `sow-platform` ADR-0021 for the `sow-docs` retirement.Reviewed-on: #44
Co-authored-by: vickydotbat <vickydotbat@tutamail.com>
