diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 2a26ed2..cadec98 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -55,6 +55,9 @@ jobs:
       - name: Run package smoke install
         run: pnpm pack:smoke
 
+      - name: Build
+        run: pnpm build
+
       - name: Configure npm authentication
         if: ${{ env.NODE_AUTH_TOKEN != '' }}
         run: |
diff --git a/.gitignore b/.gitignore
index 79349da..da23c55 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,5 @@ node_modules/
 *.tgz
 __pycache__/
 *.pyc
+tsconfig.build.json
+dist/
diff --git a/.npmignore b/.npmignore
index a1b5539..a5b9806 100644
--- a/.npmignore
+++ b/.npmignore
@@ -7,3 +7,4 @@ pnpm-lock.yaml
 scripts/
 src/**/*.test.ts
 tsconfig.json
+tsconfig.build.json
diff --git a/package.json b/package.json
index 0cc69ce..b837af3 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,8 @@
     }
   },
   "scripts": {
+    "build": "tsc -p tsconfig.build.json",
+    "prepublishOnly": "pnpm run build",
     "project:sync": "node ./.agents/skills/project-manager/scripts/sync-work-items.mjs",
     "test": "vitest run",
     "typecheck": "tsc --noEmit",
diff --git a/scripts/pack-smoke.mjs b/scripts/pack-smoke.mjs
index f785441..7a1c2ed 100644
--- a/scripts/pack-smoke.mjs
+++ b/scripts/pack-smoke.mjs
@@ -48,6 +48,7 @@ try {
     "index.ts",
     "openclaw.plugin.json",
     path.join("src", "client.ts"),
+    path.join("dist", "index.js"),
   ];
   const unexpectedFiles = [
     "AGENTS.md",