diff --git a/src/resources/extensions/gsd/guided-flow.ts b/src/resources/extensions/gsd/guided-flow.ts
index c4cc6b2b6..39cb10965 100644
--- a/src/resources/extensions/gsd/guided-flow.ts
+++ b/src/resources/extensions/gsd/guided-flow.ts
@@ -415,6 +415,9 @@ export async function showDiscuss(
     return;
   }
 
+  // Invalidate caches to pick up artifacts written by a just-completed discuss/plan
+  invalidateAllCaches();
+
   const state = await deriveState(basePath);
 
   // Guard: no active milestone