Codex (gpt-5.2 xhigh) rewrote the doc: - Added MVP scope definition - Verified repo conventions against actual codebase - Added 2025/2026 Microsoft guidance (CloudAdapter, single-tenant default) - Concrete code examples (monitor, send, webhook, adapter) - Detailed integration checklist (all files to modify) - 9 MS Teams gotchas to plan for - 12 actionable implementation steps - Current references (2026-01)