LocalVectorStore class

Local SQLite vector store for on-device semantic search.

Uses sqlite-vec for vector similarity search on cached content chunks. Chunks are synced from Supabase and stored locally for offline access.

Constructors

hashCode → int: The hash code for this object.
no setterinherited
isReady → bool: Whether the database is open and ready.
no setter
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited

clearAll() → void: Remove all cached data.
clearTopic(String topicId) → void: Remove all cached data for a topic.
dispose() → void: Close the database.
hasTopicCached(String topicId) → bool: Check whether a topic's chunks are cached locally.
hasTopicEmbeddings(String topicId) → bool: Check whether a topic's chunks have embeddings locally.
initialize() → Future<void>: Open (or create) the local database and load the vector extension.
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
searchSimilar(List<double> queryEmbedding, {String? topicId, int limit = 8, double threshold = 0.3}) → List<ContentChunkModel>: Search for chunks similar to queryEmbedding within a topic.
toString() → String: A string representation of this object.
inherited
upsertChunks(List<ContentChunkModel> chunks, List<List<double>> embeddings) → void: Store chunks with their embeddings locally.