diff --git a/.github/assets/readme-banner.jpg b/.github/assets/readme-banner.jpg
new file mode 100644
index 000000000..778b5d56d
Binary files /dev/null and b/.github/assets/readme-banner.jpg differ
diff --git a/AGENTS.md b/AGENTS.md
index 3af31df12..2154c1b64 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -11,6 +11,7 @@ Publish mirror for `docs.openclaw.ai`. Source repo: `openclaw/openclaw`.
 ## Editable Here
 
 - `AGENTS.md`, `CLAUDE.md`, `README.md`.
+- `.github/assets/**` for repo-owned README media that must not be pruned by docs sync.
 - `.github/workflows/translate-*.yml`.
 - `.github/workflows/translate-locale-reusable.yml`.
 - `.github/scripts/i18n/**` when maintaining translation workflow control-plane scripts and tests.
diff --git a/README.md b/README.md
index db69ca1cd..24edde6fd 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # openclaw-docs
 
-![OpenClaw Docs banner](docs/assets/readme-banner.jpg)
+<!-- Keep README-owned media outside docs/**; docs/** is mirror output and sync prunes files absent from upstream source. -->
+![OpenClaw Docs banner](.github/assets/readme-banner.jpg)
 
 Mirror repo for the published OpenClaw docs site.