ci: add publish workflow for agent-manager package

Author: codeaholicguy

.github/workflows/publish-agent-manager.yml

@@ -0,0 +1,38 @@
+name: Publish Agent Manager Package
+
+on:
+  release:
+    types: [created]
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: "Package version tag (e.g., agent-manager-v0.2.0)"
+        required: true
+
+jobs:
+  publish:
+    name: Publish @ai-devkit/agent-manager to NPM
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          registry-url: "https://registry.npmjs.org"
+          cache: "npm"
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build all packages
+        run: npm run build
+
+      - name: Publish to NPM
+        working-directory: ./packages/agent-manager
+        run: npm publish --access public
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}