architecture drift pass across app + agent-backend-ts + sdk
- round date: 2026-07-25
- campaign index artifact: https://claude.ai/code/artifact/be2deadf-6195-4dfa-a910-b269b9af7a84
- round-6 roadmap artifact: https://claude.ai/code/artifact/c6f9de8a-0cf0-4096-80f1-4c09ab26bf40
- runtime note: the Artifact tool was unavailable in this cron runtime, so this report is published as a gist mirror instead of a canonical artifact update
