* fix: replace invalid Mintlify theme 'venus' with 'mint'
* docs: replace em dashes with colons across all docs files
* fix: strip UTF-8 BOM from all docs files (broke frontmatter detection)
- llms.md: use showcase models (llama-3.3-70b-versatile, gpt-4o) in
provider examples and use-case tables; clarify defaults vs recommended
in Defaults and Reproducibility section
- split.md: document that chunk_size is in characters with migration note
- ingest.md: add Note that glob patterns are not supported by ingest()
- explorer-setup.md: remove hardcoded "1.5 seconds" timing claim
- cli-setup.md: expand semantica-worker description with concrete usage
- mcp_server.md: clarify turtle/ttl are aliases for the same RDF format
- semantic_extract.md: remove emoji from code comments