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chore: import upstream snapshot with attribution
2026-07-13 13:02:24 +08:00

1.5 KiB

Summary

Implements frequency weight tracking for the Kuzu graph adapter and exposes it via a new session API, closing #1993.

Changes

GraphDBInterface: Added 4 abstract methods:

  • get_node_frequency_weights(node_ids) / get_edge_frequency_weights(edge_ids)
  • set_node_frequency_weights() / set_edge_frequency_weights()

KuzuAdapter: Implemented the 4 methods following the existing feedback weights pattern:

  • Frequency weights default to 1.0 (vs feedback weights' 0.5)
  • Each increment adds 1.0 to the stored value

Session API (new in this update):

  • add_frequency_weights(session_id, qa_id, node_ids, edge_ids, user) - stores graph element IDs used in generating a QA entry and resets frequency_weights_applied flag
  • update_qa() method in session manager to update QA entry metadata

New files:

  • cognee/tasks/memify/frequency_weights_constants.py — metadata key constant
  • cognee/tasks/memify/apply_frequency_weights.py — task that increments frequency by 1.0 per usage
  • cognee/tasks/memify/apply_frequency_weights_pipeline.py — pipeline wrapper

Usage

The apply_frequency_weights_pipeline reads QA entries from sessions and increments frequency weights on referenced graph nodes/edges each time they are used in retrieval.

Clients can call cognee.api.v1.session.add_frequency_weights() to record which graph elements were used for a given answer.

Test results

38 passed, 8 warnings (all pre-existing deprecation warnings)

Closes #1993