store

type LibraryInfo struct {
	LibraryID     string
	Versions      []string
	LastIndexedAt time.Time
}

type SQLite struct {
	// contains filtered or unexported fields
}

type ScoredChunk struct {
	Chunk chunk.Chunk
	Score float64
}

type SearchRequest struct {
	TenantID  string
	LibraryID string
	Version   string
	Query     string
	TopK      int
	Vector    []float32
}

type Store interface {
	// UpsertChunks replaces all chunks for the given library+version with
	// the ones provided (a full re-index of that library+version).
	UpsertChunks(ctx context.Context, tenantID, libraryID, version string, chunks []chunk.Chunk) error

	// DeleteLibrary removes a library, or one of its versions if version
	// is non-empty. Mirrors `lore remove`, issue #3.
	DeleteLibrary(ctx context.Context, tenantID, libraryID, version string) error

	// ListLibraries returns everything indexed for tenantID. Mirrors the
	// list_libraries MCP tool and `lore list`, issues #2/#3.
	ListLibraries(ctx context.Context, tenantID string) ([]LibraryInfo, error)

	// ResolveLibraries fuzzy-matches query against indexed library ids.
	// Mirrors the resolve_library MCP tool, issue #2.
	ResolveLibraries(ctx context.Context, tenantID, query string) ([]LibraryInfo, error)

	// LatestVersion returns the version SearchChunks resolves to when
	// SearchRequest.Version is "", per issue #9's default-version rule.
	LatestVersion(ctx context.Context, tenantID, libraryID string) (string, error)

	// SearchChunks runs the retrieval pipeline from issue #7: always FTS5,
	// plus vector search fused via RRF when req.Vector is set.
	SearchChunks(ctx context.Context, req SearchRequest) ([]ScoredChunk, error)

	// ContentHash returns the stored content_hash for every chunk
	// currently indexed under libraryID+version, keyed by doc_url, for the
	// freshness check from issue #12 to diff against.
	ContentHashes(ctx context.Context, tenantID, libraryID, version string) (map[string]string, error)

	Close() error
}