- Add DatabaseMigrationManager for orchestrating database migrations, including planning and executing migration steps.
- Introduce models for migration state, execution context, and migration steps.
- Implement MigrationPlanner to generate migration plans based on current and target versions.
- Create MigrationRegistry for registering and managing migration steps.
- Develop SchemaVersionResolver to determine the current database schema version.
- Add SQLiteSchemaInspector for inspecting SQLite database structures.
- Implement progress reporting tools using rich for visualizing migration progress.
- Introduce SQLiteUserVersionStore for managing schema version storage in SQLite.
