diff --git a/manifest.json b/manifest.json
index 9a55a79..6378f9e 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,6 +1,6 @@
 {
- "sha": "90a5838d04536985ca2cc18b2d5572a5cfce37e2",
- "frontend_file_id": "b2634f42-86ed-443e-bc24-0b1ee33feffd",
- "frontend_sha256": "c6a3170fa72f1fd76201b6a68d1ba4ddb0cc90a60bb3015c2f60fcbe78c928a5",
- "note": "PR#48: harness playbook afternoon tier (docs+state files)"
+ "sha": "5df3bfd09154f6e3b366a81923d5d20df267b015",
+ "frontend_file_id": "a138e007-3b6e-48fb-97c3-8e66d36246bd",
+ "frontend_sha256": "0de80d6d06e47b24b20687a1a017b628bcc8f96813f6ad59b802ca569f2bd96e",
+ "note": "PR#49: research pipeline spec + corpus seed"
 }
\ No newline at end of file