From b6c3e4e51eeab703b40284459c6e9fff2151216c Mon Sep 17 00:00:00 2001
From: YurenHao0426 <Blackhao0426@gmail.com>
Date: Wed, 18 Mar 2026 18:25:09 -0500
Subject: Initial release: VARS - personalized LLM with RAG and user vector
 learning

---
 src/personalization/models/reranker/base.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 src/personalization/models/reranker/base.py

(limited to 'src/personalization/models/reranker/base.py')

diff --git a/src/personalization/models/reranker/base.py b/src/personalization/models/reranker/base.py
new file mode 100644
index 0000000..34cf6ce
--- /dev/null
+++ b/src/personalization/models/reranker/base.py
@@ -0,0 +1,16 @@
+from typing import List, Protocol
+
+class Reranker(Protocol):
+    def score(
+        self,
+        query: str,
+        docs: List[str],
+        **kwargs,
+    ) -> List[float]:
+        """
+        Score multiple candidate documents for the same query.
+        Higher score indicates higher relevance.
+        Returns a list of floats with length equal to len(docs).
+        """
+        ...
+
-- 
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