- Added EMBEDDING_MODEL and RERANKER_MODEL to `constants.ts`.
- Updated imports to use these constants in `agent.ts`, `agent_tools/reranker.ts`, and `setup/ingest.ts`.
- Replaced hard‑coded model strings with the new constants for Ollama embeddings and reranker.
add HTML‑aware text splitter, raise batch size and large‑doc threshold, enhance progress spinner and error logging, rename ingestSpec to buildSpecDocuments and introduce hierarchical section processing.
- Move full‑section Document creation into an `else` block so it only occurs when no sub‑documents were created.
- Remove premature return that skipped adding the full section.
- Add post‑processing loop to log a warning for any final document exceeding `LARGE_DOC_THRESHOLD`.