fix(entrypoint): remove set -e, add verbose logging, don't block on migration failure

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/entrypoint.sh

@@ -1,7 +1,15 @@
 #!/bin/sh
-set -e
 
-echo "Running database migrations..."
+echo "=== ProsApp Backend Starting ==="
+echo "DATABASE_URL: ${DATABASE_URL:0:40}..."
+
+echo "Running migrations..."
 node_modules/.bin/prisma migrate deploy
+MIGRATE_STATUS=$?
 
+if [ $MIGRATE_STATUS -ne 0 ]; then
+  echo "WARNING: migrations exited with status $MIGRATE_STATUS — starting server anyway"
+fi
+
+echo "Starting server..."
 exec node dist/main.js