Update production pipeline

.github/workflows/prod-pipeline.yml

@@ -5,8 +5,33 @@ on:
     branches: [main]
 
 jobs:
-  deploy:
+  check-migrations:
+    name: Check for new Prisma migrations
     runs-on: ubuntu-latest
+    outputs:
+      has_new_migrations: ${{ steps.diff.outputs.has_new_migrations }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0  # get full history so git diff works properly
+
+      - name: Detect new migration files
+        id: diff
+        run: |
+          # Compare the last two commits on main
+          if git diff --quiet HEAD~1 -- prisma/migrations/; then
+            echo "✅ No new Prisma migrations detected."
+            echo "has_new_migrations=false" >> $GITHUB_OUTPUT
+          else
+            echo "⚠️ New Prisma migrations detected! Blocking deployment."
+            echo "has_new_migrations=true" >> $GITHUB_OUTPUT
+          fi
+
+  deploy:
+    name: Deploy to production
+    runs-on: ubuntu-latest
+    needs: check-migrations
+    if: needs.check-migrations.outputs.has_new_migrations == 'false'
     steps:
       - uses: actions/checkout@v2
       - name: Install Bun
@@ -29,3 +54,15 @@ jobs:
             git pull origin main
             git status
             make prod
+
+  block-deploy:
+    name: Block deployment (new migrations detected)
+    runs-on: ubuntu-latest
+    needs: check-migrations
+    if: needs.check-migrations.outputs.has_new_migrations == 'true'
+    steps:
+      - name: Stop deploy
+        run: |
+          echo "🚫 Deployment blocked because new Prisma migrations were detected."
+          echo "Please apply migrations on staging and verify before deploying to production."
+          exit 1