Add ai supplemental fields to product import, fix image upload url, misc changes for netcup server

inventory-server/chat/create-new-database.sql

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+-- PostgreSQL Database Creation Script for New Server
+-- Run as: sudo -u postgres psql -f create-new-database.sql
+
+-- Terminate all connections to the database (if it exists)
+SELECT pg_terminate_backend(pid)
+FROM pg_stat_activity
+WHERE datname = 'rocketchat_converted' AND pid <> pg_backend_pid();
+
+-- Drop the database if it exists
+DROP DATABASE IF EXISTS rocketchat_converted;
+
+-- Create fresh database
+CREATE DATABASE rocketchat_converted;
+
+-- Create user (if not exists) - UPDATE PASSWORD BEFORE RUNNING!
+DO $$ 
+BEGIN
+    IF NOT EXISTS (SELECT FROM pg_user WHERE usename = 'rocketchat_user') THEN
+        CREATE USER rocketchat_user WITH PASSWORD 'HKjLgt23gWuPXzEAn3rW';
+    END IF;
+END $$;
+
+-- Grant database privileges
+GRANT CONNECT ON DATABASE rocketchat_converted TO rocketchat_user;
+GRANT CREATE ON DATABASE rocketchat_converted TO rocketchat_user;
+
+-- Connect to the new database
+\c rocketchat_converted;
+
+-- Grant schema privileges
+GRANT CREATE ON SCHEMA public TO rocketchat_user;
+GRANT USAGE ON SCHEMA public TO rocketchat_user;
+
+-- Grant privileges on all future tables and sequences
+ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT SELECT, INSERT, UPDATE, DELETE ON TABLES TO rocketchat_user;
+ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT USAGE, SELECT ON SEQUENCES TO rocketchat_user;
+
+-- Display success message
+\echo 'Database created successfully!'
+\echo 'IMPORTANT: Update the password for rocketchat_user before proceeding'
+\echo 'Next steps:'
+\echo '1. Update the password in this file'
+\echo '2. Run export-chat-data.sh on your current server'  
+\echo '3. Transfer the exported files to this server'
+\echo '4. Run import-chat-data.sh on this server'