- Replace non-existent shortest_path() with get_neighbors() + path_to_anchor
- Remove non-existent extract_subgraph() calls from all domain tab examples
- Clarify automated extraction requires knowledge_graph= constructor arg and list input
- Distinguish save_to_file() (graph only) from AgentContext.save() (graph + FAISS + memory)
- Add resolve_links() step to serialization section for cross-graph link restoration
- Link duplicate entities pitfall to the deduplication guide and its API