* Implement build_indices_and_constraints for Kuzu and Neptune drivers
Both Kuzu and Neptune drivers were missing the build_indices_and_constraints
method required by the abstract GraphDriver base class. Kuzu uses a no-op
implementation since indices are created during schema setup. Neptune delegates
to its existing OpenSearch (AOSS) index creation logic.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
* Skip fulltext search tests for Kuzu driver
Kuzu requires explicit schema definition and doesn't support dynamic fulltext
index creation like Neo4j or FalkorDB. These tests were already being skipped
for FalkorDB for similar reasons. Updated all four fulltext search tests to
skip for both FalkorDB and Kuzu providers.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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Co-authored-by: Claude <noreply@anthropic.com>
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