lanceyq aa9eb66668 feat(memory): add alias invalidation support for entity alias management ...

Introduce the `别名失效` predicate to handle cases where an alias is
explicitly no longer applicable to an entity.

Changes:
- write_pipeline.py: extend _merge_alias_in_memory to process
  `别名失效` edges — removes invalidated alias names from target
  entity's aliases list in-memory before Neo4j write
- cypher_queries.py: add REMOVE_INVALID_ALIASES and DELETE_ALIAS_NODES
  queries; update REDIRECT_ALIAS_EDGES to handle both `别名属于` and
  `别名失效` predicates
- tasks.py: add step 1.5 in post_store_dedup_and_alias_merge_task to
  execute REMOVE_INVALID_ALIASES and sync removals to PostgreSQL;
  add step 3 to delete alias nodes after edge redirection; add
  snapshot step 3.5 for post-merge entity state; pass snapshot_dir
  to the task
- end_user_info_repository.py: add remove_aliases() method to remove
  specified aliases from end_user_info.aliases (case-insensitive)
- write_snapshot_recorder.py: add save_alias_merge_result() static
  method to write stage 8 snapshot after alias merge and deletion
- extract_triplet.jinja2: document `别名失效` predicate with usage
  rules — only use when conversation explicitly negates an alias

2026-05-08 11:28:44 +08:00

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