feat: store and search customer name pinyin initials.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/tests/test_crm_name_pinyin_search.py

@@ -1,8 +1,9 @@
-"""产品列表 keyword：名称/编号/拼音首字母 OR 匹配。"""
+"""产品/客户列表 keyword：名称/编号/拼音首字母 OR 匹配。"""
 from __future__ import annotations
 
 from unittest.mock import MagicMock
 
+from app.crud.crm.customer import list_customer_options, list_customers
 from app.crud.crm.product import list_products
 
 
@@ -24,3 +25,40 @@ def test_list_products_keyword_includes_name_and_pinyin():
     keyword_expr = " ".join(str(a) for a in q.filter.call_args_list[1][0])
     assert "product_name" in keyword_expr
     assert "name_pinyin_abbr" in keyword_expr
+
+
+def test_list_customers_keyword_includes_name_and_pinyin():
+    db = MagicMock()
+    q = MagicMock()
+    db.query.return_value = q
+    q.filter.return_value = q
+    q.order_by.return_value = q
+    q.with_entities.return_value = q
+    q.scalar.return_value = 0
+    q.offset.return_value = q
+    q.limit.return_value = q
+    q.all.return_value = []
+
+    list_customers(db, "shanxia2.0", keyword="sxhg")
+
+    assert q.filter.call_count >= 2
+    keyword_expr = " ".join(str(a) for a in q.filter.call_args_list[1][0])
+    assert "customer_name" in keyword_expr
+    assert "name_pinyin_abbr" in keyword_expr
+
+
+def test_list_customer_options_keyword_includes_name_and_pinyin():
+    db = MagicMock()
+    q = MagicMock()
+    db.query.return_value = q
+    q.filter.return_value = q
+    q.order_by.return_value = q
+    q.limit.return_value = q
+    q.all.return_value = []
+
+    list_customer_options(db, "shanxia2.0", keyword="sxhg")
+
+    assert q.filter.call_count >= 2
+    keyword_expr = " ".join(str(a) for a in q.filter.call_args_list[1][0])
+    assert "customer_name" in keyword_expr
+    assert "name_pinyin_abbr" in keyword_expr