Capture EMS/order-control ownership, identifier boundaries, ledger
and position invariants, backend variation, and current known hazards.
Store the canonical bundle under `.agents/skills/` and bridge Claude
discovery through a portable relative link.
Also,
- add architecture, debugging, and test-map references;
- document the provider-neutral source convention;
- ignore the canonical `wkts/` runtime root.
Prompt-IO: ai/prompt-io/opencode/20260828T021411Z_6ca6ab2a_prompt_io.md
(this patch was generated in some part by `opencode` using `gpt-5.6-sol` (`openai`))
Gud Boi