FeaturesOTel traces, Prometheus, structlogtrace_id stored on message_eventsCopy MarkdownOpenDoneM0platformplatformv1 scenarios—Ported—Green—Failing—trace_id stored on message_events What it does Behaviour that must not change How to verify it Multi-provider LLM with configurable modelsanthropic + openai-compatible; per-task routing; cost meteringMock Telegram + executable Gherkinv1 QA repo had 63 scenarios, 0 executable