ci(publish): standardize production publishing

Squash merge via _ops policy-controlled finalization.

Author: oaslananka-repo-ops[bot]

.github/workflows/publish-production.yml

@@ -79,7 +79,7 @@ jobs:
       - name: Build extension
         run: |
           set -euo pipefail
-          corepack pnpm run build --if-present
+          if [[ -f pnpm-lock.yaml ]]; then corepack pnpm run --if-present build; else npm run --if-present build; fi
       - name: Validate extension manifest
         id: meta
         run: |