Tests cover:
- Provider registration (single and multiple)
- Provider availability filtering by user and workspace
- Search execution and result aggregation
- Result flattening for keyboard navigation
- Fuzzy matching (substring, case-insensitive, word-start, abbreviation)
- Relevance scoring hierarchy
- SearchResult creation, conversion, and immutability
- Integration tests with multiple providers
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
