fix: CI/CD — move web build to CI, VPS only deploys (no build on VPS)

- ci.yml: add web build step + upload .next as artifact
- deploy.yml: download artifact via SCP, copy to VPS .next dir
  (no bun run build on VPS — only git pull + install + index + restart)
- Bump actions/checkout@v4 → @v5 (Node 20 deprecation)
- Revert next.config standalone mode (not needed for .next/ copy approach)
- Remove broken bun --cwd (doesn't support --cwd flag)

.github/workflows/deploy.yml

@@ -12,26 +12,28 @@ concurrency:
 
 jobs:
   deploy:
-    name: build + deploy
+    name: deploy to VPS
     if: ${{ github.event.workflow_run.conclusion == 'success' }}
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v5
 
-      - name: Set up Bun
-        uses: oven-sh/setup-bun@v2
+      - name: Download build artifact
+        uses: actions/download-artifact@v4
         with:
-          bun-version: "1.3.14"
+          name: mcpedia-web-standalone
+          path: standalone
 
-      - name: Install dependencies
-        run: bun install --frozen-lockfile
-
-      - name: Typecheck
-        run: bun run typecheck
-
-      - name: Build web app
-        run: bun run build --filter=@mcpedia/web
+      - name: Copy pre-built .next to VPS
+        uses: appleboy/scp-action@v1
+        with:
+          host: ${{ secrets.SSH_DEPLOY_HOST }}
+          port: ${{ secrets.SSH_DEPLOY_PORT }}
+          username: ${{ secrets.SSH_DEPLOY_USER }}
+          key: ${{ secrets.SSH_DEPLOY_KEY }}
+          source: "standalone/***"
+          target: "/home/code/mcpedia/apps/web/.next"
 
       - name: Deploy to VPS over SSH
         uses: appleboy/ssh-action@v1
@@ -44,10 +46,14 @@ jobs:
           script: |
             set -e
             cd /home/code/mcpedia
+
+            # Pull latest code (for content, .env, and non-web changes)
             git pull origin main
             /home/code/.bun/bin/bun install --frozen-lockfile
-            cd apps/web && /home/code/.bun/bin/bun run build && cd /home/code/mcpedia
             /home/code/.bun/bin/bun run scripts/indexer.ts
+
+            # The .next/ was just copied from CI (pre-built, no build on VPS)
+            # Restart services to pick up the new build
             sudo systemctl restart mcpedia-web mcpedia-api mcpedia-mcp mcpedia-worker
             sleep 3
             systemctl --no-pager status mcpedia-web mcpedia-api mcpedia-mcp mcpedia-worker --no-legend