Fix database mismatches

fix_all_schema_mismatches.sh

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+#!/bin/bash
+# Fix all schema mismatches between models.py and database
+# Run this on your server
+
+set -e  # Exit on error
+
+echo "============================================================"
+echo "Schema Mismatch Fix Script"
+echo "============================================================"
+echo ""
+
+# Navigate to backend directory
+cd "$(dirname "$0")"
+
+echo "Step 1: Check current Alembic status..."
+python3 -m alembic current
+
+echo ""
+echo "Step 2: Apply migration 003 (user_invitations fields)..."
+python3 -m alembic upgrade head
+
+echo ""
+echo "Step 3: Verify migration was applied..."
+python3 -m alembic current
+
+echo ""
+echo "Step 4: Restart PM2 backend..."
+pm2 restart membership-backend
+
+echo ""
+echo "============================================================"
+echo "✅ Schema fixes applied!"
+echo "============================================================"
+echo ""
+echo "Migrations applied:"
+echo "  - 001_initial_baseline"
+echo "  - 002_add_missing_user_fields (users table)"
+echo "  - 003_add_user_invitation_fields (user_invitations table)"
+echo ""
+echo "Please test:"
+echo "  1. Login to admin dashboard"
+echo "  2. Navigate to user invitations page"
+echo "  3. Verify no more schema errors"
+echo ""