Index a filebase (directory tree or single file) for semantic search.

This is the unified indexing function that handles all file types (code, documents, PDFs) with a single consistent pipeline.

Discover all indexed tags.

Returns a list of unique tag names from all indexed content, useful for browsing and filtering indexed material.

Returns: Dictionary with: - tags: Sorted list of unique tag names - count: Number of unique tags

Perform semantic search across all indexed content.

This function searches for content similar to the provided query across all indexed codebases and documents using vector similarity. The default output format is structured data for programmatic use.

Reset the entire knowledge index, clearing all indexed content.

This function clears all indexed data from memory and optionally removes saved index files from disk. This is a destructive operation that cannot be undone without re-indexing all content.

Get system status and comprehensive statistics.

This function returns detailed information about the current state of the indexing system, including memory usage, indexed content statistics, embedding provider information, and persistence status.

Returns: Dictionary with comprehensive system status and statistics