refactor: 客服agent的切片结构调整重构

tests/test_embedding.py

@@ -1,18 +1,18 @@
 import unittest
 
-from rag.embedding import EmbeddingError, embed_texts
+from rag.embedding import EMBEDDING_DIMENSION, EmbeddingError, embed_texts
 
 
 class EmbeddingTests(unittest.IsolatedAsyncioTestCase):
-    async def test_returns_768_dimension_vectors(self):
+    async def test_returns_configured_dimension_vectors(self):
         class Client:
             async def embed(self, texts):
-                return [[0.1] * 768 for _ in texts]
+                return [[0.1] * EMBEDDING_DIMENSION for _ in texts]
 
         vectors = await embed_texts(["基金知识"], client=Client())
 
         self.assertEqual(len(vectors), 1)
-        self.assertEqual(len(vectors[0]), 768)
+        self.assertEqual(len(vectors[0]), EMBEDDING_DIMENSION)
 
     async def test_rejects_wrong_embedding_dimension(self):
         class Client: