Add inputBody/outputBody/inputHeaders/outputHeaders to ExecutionDetail
DTO so exchange-level bodies are returned by the detail endpoint. Show
"Exchange Input" and "Exchange Output" panels on the detail page when
the data is available.
Fix RouteFlow node click selecting the wrong processor snapshot by
building a flowToTreeIndex mapping that correctly translates flow
display index → diagram node index → processorId → processor tree
index. Previously the diagram node index was used directly as the
processor tree index, which broke when the two orderings differed.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
b3c5e87230