Felipe Cardoso 20159c5865 fix(knowledge-base): ensure pgvector extension before pool creation ...

register_vector() requires the vector type to exist in PostgreSQL before
it can register the type codec. Move CREATE EXTENSION to a separate
_ensure_pgvector_extension() method that runs before pool creation.

This fixes the "unknown type: public.vector" error on fresh databases.

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

2026-01-06 02:55:02 +01:00

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