From 2bc083fb95da11d5cf43074ea85590bfaf040eca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Ty=C5=84ski?= <rafal.tynski@gmail.com>
Date: Sun, 4 Oct 2026 02:44:03 +0200
Subject: [PATCH] feat(sql): add problem embedding vector index

---
 backend/migrations/0005_problem_embedding.surql | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100644 backend/migrations/0005_problem_embedding.surql

diff --git a/backend/migrations/0005_problem_embedding.surql b/backend/migrations/0005_problem_embedding.surql
new file mode 100644
index 0000000..9b272f8
--- /dev/null
+++ b/backend/migrations/0005_problem_embedding.surql
@@ -0,0 +1,6 @@
+-- TarninaHub — migration 0005: problem embeddings for semantic matchmaking
+-- Idempotent, additive. Mirrors the innovation vector index.
+
+DEFINE FIELD IF NOT EXISTS embedding ON TABLE problem TYPE option<array<float>>;
+DEFINE INDEX IF NOT EXISTS problem_embedding ON TABLE problem FIELDS embedding
+  HNSW DIMENSION 1536 DIST COSINE TYPE F32;