fix: publish @codemcp/workflows-opencode to npm in CI release

Package was missing from the release.yml publish step and had no
publishConfig. Also aligns version to 6.4.0 to match the workspace.

Author: mrsimpson

.github/workflows/release.yml

@@ -166,6 +166,7 @@ jobs:
           # Using pnpm publish with --filter to exclude private packages
           pnpm --filter '@codemcp/workflows-server' publish --access public --no-git-checks
           pnpm --filter '@codemcp/workflows' publish --access public --no-git-checks
+          pnpm --filter '@codemcp/workflows-opencode' publish --access public --no-git-checks
           pnpm --filter '@codemcp/workflows-opencode-tui' publish --access public --no-git-checks
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

packages/opencode-plugin/package.json

@@ -1,13 +1,16 @@
 {
   "name": "@codemcp/workflows-opencode",
-  "version": "0.1.0",
+  "version": "6.4.0",
   "description": "OpenCode plugin for structured development workflows",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "type": "module",
   "files": [
     "dist/**/*"
   ],
+  "publishConfig": {
+    "access": "public"
+  },
   "scripts": {
     "build": "tsc -p tsconfig.build.json",
     "dev": "tsc --watch",