PR #144 · pramaan-io/pramaan-docs · merged 2026-06-10
Three tracing systems, one cold-start budget, zero single source of truth.
What breaks when observability stops being unified
More SDKs is not more observability. It is more weight on the same cold-start.
The fix — One baton, one bib, one phase at a time.
sequenceDiagram autonumber participant lambda as Lambda participant sqs as SQS participant agent as Agent participant frontend as Frontend lambda->>lambda: ADOT starts span, holds the traceparent baton lambda->>sqs: traceparent + correlation_id as message attributes sqs->>agent: Agent picks up baton, resumes the span agent->>agent: Logs the bib number (correlation_id) on every line frontend-->>lambda: Frontend sends traceparent header — Phase A minimal bridge