Add a guided database configuration wizard and a data migration tool that
allows users to:
- Build database connection strings through a step-by-step UI
- Test database connections before applying
- Preview and execute data migrations from SQLite to PostgreSQL/MySQL
- Copy to clipboard for easy .env file updates
New files:
- app/utils/db_wizard.py — connection string builder, parser, and tester
- app/utils/db_migrate.py — table-by-table data migration utility
- app/api/database.py — REST API endpoints for wizard operations
- app/views/db_wizard.py — view route for the wizard page
- frontend/templates/db_wizard.html — multi-tab wizard UI
- tests/test_db_wizard.py — unit tests for db_wizard utilities
- tests/test_db_migrate.py — unit tests for db_migrate utilities
- tests/test_db_wizard_api.py — integration tests for API and views
Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>
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