# New v1 coordinator -> fixed-tree executor contract. Strict-validate JSON before acceptance.
bt_skill_interfaces/TaskTrace trace
string approved_plan_json
string context_json
builtin_interfaces/Duration timeout
---
bt_skill_interfaces/ExecutionResult result
uint32 completed_quantity
string evidence_json
---
builtin_interfaces/Time stamp
uint32 sequence
string stage
string status_json