Probabilistic systems / async evidence
See where the pipeline really spends time.
Load a span trace. Get the critical path, concurrency signal, failures, and a diagnosis you can carry into code review.
Trace input
Each span needs id,start_ms,end_ms. Optional: parent_id,name,kind,status.
Diagnosis
0spans observed
0 mswall-clock window
0 mssum of work
0%parallel overlap
Analysis appears here after a valid trace.