fix: stabilize docker e2e flows

scripts/e2e/plugins-docker.sh

@@ -13,9 +13,9 @@ docker run --rm -t "$IMAGE_NAME" bash -lc '
 
   home_dir=$(mktemp -d "/tmp/openclaw-plugins-e2e.XXXXXX")
   export HOME="$home_dir"
-  mkdir -p "$HOME/.openclaw/extensions"
+  mkdir -p "$HOME/.openclaw/extensions/demo-plugin"
 
-  cat > "$HOME/.openclaw/extensions/demo-plugin.js" <<'"'"'JS'"'"'
+  cat > "$HOME/.openclaw/extensions/demo-plugin/index.js" <<'"'"'JS'"'"'
 module.exports = {
   id: "demo-plugin",
   name: "Demo Plugin",
@@ -28,6 +28,15 @@ module.exports = {
   },
 };
 JS
+  cat > "$HOME/.openclaw/extensions/demo-plugin/openclaw.plugin.json" <<'"'"'JSON'"'"'
+{
+  "id": "demo-plugin",
+  "configSchema": {
+    "type": "object",
+    "properties": {}
+  }
+}
+JSON
 
   node dist/index.js plugins list --json > /tmp/plugins.json
 
@@ -79,6 +88,15 @@ module.exports = {
   },
 };
 JS
+  cat > "$pack_dir/package/openclaw.plugin.json" <<'"'"'JSON'"'"'
+{
+  "id": "demo-plugin-tgz",
+  "configSchema": {
+    "type": "object",
+    "properties": {}
+  }
+}
+JSON
   tar -czf /tmp/demo-plugin-tgz.tgz -C "$pack_dir" package
 
   node dist/index.js plugins install /tmp/demo-plugin-tgz.tgz
@@ -117,6 +135,15 @@ module.exports = {
   },
 };
 JS
+  cat > "$dir_plugin/openclaw.plugin.json" <<'"'"'JSON'"'"'
+{
+  "id": "demo-plugin-dir",
+  "configSchema": {
+    "type": "object",
+    "properties": {}
+  }
+}
+JSON
 
   node dist/index.js plugins install "$dir_plugin"
   node dist/index.js plugins list --json > /tmp/plugins3.json
@@ -155,6 +182,15 @@ module.exports = {
   },
 };
 JS
+  cat > "$file_pack_dir/package/openclaw.plugin.json" <<'"'"'JSON'"'"'
+{
+  "id": "demo-plugin-file",
+  "configSchema": {
+    "type": "object",
+    "properties": {}
+  }
+}
+JSON
 
   node dist/index.js plugins install "file:$file_pack_dir/package"
   node dist/index.js plugins list --json > /tmp/plugins4.json