From 66e1afbe6dcbac40d886f6589cb5a86aeceb6b7d Mon Sep 17 00:00:00 2001
From: Research Assistant <research@example.com>
Date: Mon, 18 May 2026 17:13:40 +0800
Subject: [PATCH] feat(embedding): add EmbeddingProvider ABC

---
 paperforge/embedding/providers/base.py | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 paperforge/embedding/providers/base.py

diff --git a/paperforge/embedding/providers/base.py b/paperforge/embedding/providers/base.py
new file mode 100644
index 00000000..49ef2cf1
--- /dev/null
+++ b/paperforge/embedding/providers/base.py
@@ -0,0 +1,13 @@
+from __future__ import annotations
+
+from abc import ABC, abstractmethod
+
+
+class EmbeddingProvider(ABC):
+    @abstractmethod
+    def encode(self, texts: list[str]) -> list[list[float]]:
+        ...
+
+    @abstractmethod
+    def encode_single(self, text: str) -> list[float]:
+        ...