- Transitioned the catalog backend from `redb` to `rusqlite` for better compatibility and concurrency.
- Updated `IpsProvider` to use SQLite for package querying, dependency resolution, and obsolescence handling.
- Removed `decode_manifest_bytes_local` and unused `manifest` cache logic.
- Simplified catalog-related functions and integrated `sqlite_catalog` module.
- Enhanced test functions and added schemas for managing SQLite databases.
- Introduced a searchable index with structured `IndexEntry` support for packages, files, directories, and dependencies.
- Added `search` method in `DepotRepo` with wildcard and case-sensitive query handling.
- Created `/search/0` and `/search/1` routes for search API, supporting publishers and token-based queries.
- Updated `SearchIndex` handling to map tokens to detailed `IndexEntry` structures.
- Improved index building to include attributes for files, directories, and dependencies.
- Adjusted indentation and line breaks for structs, functions, and method calls to comply with Rust formatting standards.
- Improved error message formatting and consistency across `PkgTreeError` instances.
- Restructured long function arguments and chained calls for clarity and maintainability.
- Simplified conditional statements and loops for better readability.
- No functional changes introduced.
- Added `Operation` enum and `SupportedOperation` struct to encapsulate supported operations and versions.
- Updated response generation to dynamically include the `pkg6depotd` version and supported operations.
- Enhanced integration tests to validate version string format changes.
- Expanded repository structure by introducing methods for fetching legacy catalogs, catalog file paths, and repository info.
- Added new REST API v1 endpoints for catalog, manifest, file, and publisher handling.
- Implemented `publisher` handler module with `get_publisher_v0` and `get_publisher_v1` methods to retrieve publisher details in pkg5 format.
- Updated `integration_tests` to validate new endpoints and ensure compatibility with legacy and modern catalog/manifest handling.
- Removed unused dependency `walkdir` and refactored test cases for clarity and efficiency.
- Added initial implementation of the `pkg6depotd` server with modular components for CLI parsing, configuration management, HTTP handling, repository access, and daemonization.
- Implemented basic server startup logic with a default router and placeholder handlers.
- Integrated telemetry initialization and configuration fallback mechanism for ease of development.
- Updated `Cargo.toml` and `Cargo.lock` to include dependencies necessary for server functionality.
