fix: 配方名去除前缀数字，细胞律动统一为 细胞律动-XX系统 格式

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

backend/database.py

@@ -264,6 +264,21 @@ def init_db():
             c.execute("UPDATE oils SET name = ? WHERE name = ?", (new_name, old_name))
             c.execute("UPDATE recipe_ingredients SET oil_name = ? WHERE oil_name = ?", (new_name, old_name))
 
+    # Migration: clean up recipe names — remove leading numbers, normalize 细胞律动 format
+    _recipe_renames = {
+        "2、神经系统细胞律动": "细胞律动-神经系统",
+        "3、消化系统细胞律动": "细胞律动-消化系统",
+        "4、骨骼系统细胞律动（炎症控制）": "细胞律动-骨骼系统（炎症控制）",
+        "5、淋巴系统细胞律动": "细胞律动-淋巴系统",
+        "6、生殖系统细胞律动": "细胞律动-生殖系统",
+        "7、免疫系统细胞律动": "细胞律动-免疫系统",
+        "8、循环系统细胞律动": "细胞律动-循环系统",
+        "9、内分泌系统细胞律动": "细胞律动-内分泌系统",
+        "12、芳香调理技术": "芳香调理技术",
+    }
+    for old_name, new_name in _recipe_renames.items():
+        c.execute("UPDATE recipes SET name = ? WHERE name = ?", (new_name, old_name))
+
     # Seed admin user if no users exist
     count = c.execute("SELECT COUNT(*) FROM users").fetchone()[0]
     if count == 0: