diff --git a/skills/wayfinder/SKILL.md b/skills/wayfinder/SKILL.md
index 14e6d15..33c40ae 100644
--- a/skills/wayfinder/SKILL.md
+++ b/skills/wayfinder/SKILL.md
@@ -167,7 +167,8 @@ Do not auto-consume HITL tickets without user participation.
    Validate each ticket's claim, status, and canonical result.
    Detect duplicate surfaced tickets or filenames, preserve pre-existing artifacts, and repair links according to [`ARTIFACTS.md`](ARTIFACTS.md).
    Record whether a failed worker's claim remains, was reopened, or needs human recovery.
-   Done when all returned work is reconciled and every failed or missing worker result has an honest artifact state.
+   When Pi subagents supplied the worker results, call `subagent_clear` for each terminal child only after its findings have been reconciled into the artifacts or recovery record.
+   Done when all returned work is reconciled, every failed or missing worker result has an honest artifact state, and no reconciled terminal subagent remains in the visible work set.
 5. **Advance the frontier.**
    Recompute the Frontier after reconciliation, not before.
    Mark the map `complete` only when no live ticket or fog remains.