diff --git a/.cowork_history/cowork__20260818-130950-831.json b/.cowork_history/cowork__20260818-130950-831.json
deleted file mode 100644
index b137cb1..0000000
--- a/.cowork_history/cowork__20260818-130950-831.json
+++ /dev/null
@@ -1,16 +0,0 @@
-{
-  "kind": "cowork",
-  "session_id": "20260818-130950-831",
-  "title": "alo",
-  "created": "2026-08-18T13:10:03",
-  "pinned": false,
-  "project_id": "project-mới",
-  "inputs": [],
-  "outputs": [],
-  "messages": [
-    {
-      "role": "user",
-      "content": "alo"
-    }
-  ]
-}
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 300b071..182f2ee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -116,3 +116,7 @@ vibeflow.json
 .turbo/
 *.tsbuildinfo
 
+# Runtime data the app writes next to itself when it is run from the repo.
+# A chat transcript got committed and pushed this way.
+.cowork_history/
+.cowork_local/