From 2abd6563c7bb98f0481e3d1696ac9f66a9a57125 Mon Sep 17 00:00:00 2001
From: Hera Zhao <hera@euphon.net>
Date: Mon, 13 Apr 2026 23:31:45 +0000
Subject: [PATCH] =?UTF-8?q?fix:=20=E9=85=8D=E6=96=B9=E5=90=8D=E6=95=B0?=
 =?UTF-8?q?=E5=AD=97=E5=8A=A0=E6=8B=AC=E5=8F=B7=EF=BC=8C=E6=97=A0=E7=BC=96?=
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例：灰指甲一→灰指甲（一），静脉曲张→静脉曲张（一）

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 backend/database.py | 39 +++++++++++++++++++++++++++++----------
 1 file changed, 29 insertions(+), 10 deletions(-)

diff --git a/backend/database.py b/backend/database.py
index 187fe1f..c816ae2 100644
--- a/backend/database.py
+++ b/backend/database.py
@@ -275,22 +275,41 @@ def init_db():
         "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",
-        "普拉提根基配方：2": "普拉提根基配方二",
+        "普拉提根基配方：2": "普拉提根基配方（二）",
     }
     for old_name, new_name in _recipe_renames.items():
         c.execute("UPDATE recipes SET name = ? WHERE name = ?", (new_name, old_name))
 
-    # Migration: trailing Arabic numerals → Chinese numerals in recipe names
+    # Migration: trailing Arabic numerals → Chinese numerals in parentheses
+    import re as _re
     _num_map = {'1': '一', '2': '二', '3': '三', '4': '四', '5': '五', '6': '六', '7': '七', '8': '八', '9': '九'}
-    _trailing_num_recipes = c.execute("SELECT id, name FROM recipes").fetchall()
-    for row in _trailing_num_recipes:
-        import re as _re
-        m = _re.search(r'(\d+)$', row['name'])
+    _all_recipes = c.execute("SELECT id, name FROM recipes").fetchall()
+    for row in _all_recipes:
+        name = row['name']
+        # Step 1: trailing Arabic digits → Chinese in parentheses: 灰指甲1 → 灰指甲（一）
+        m = _re.search(r'(\d+)$', name)
         if m:
-            digits = m.group(1)
-            chinese = ''.join(_num_map.get(d, d) for d in digits)
-            new_name = row['name'][:m.start()] + chinese
-            c.execute("UPDATE recipes SET name = ? WHERE id = ?", (new_name, row['id']))
+            chinese = ''.join(_num_map.get(d, d) for d in m.group(1))
+            name = name[:m.start()] + '（' + chinese + '）'
+            c.execute("UPDATE recipes SET name = ? WHERE id = ?", (name, row['id']))
+        # Step 2: trailing bare Chinese numeral → add parentheses: 灰指甲一 → 灰指甲（一）
+        m2 = _re.search(r'([一二三四五六七八九十]+)$', name)
+        if m2 and not name.endswith('）'):
+            name = name[:m2.start()] + '（' + m2.group(1) + '）'
+            c.execute("UPDATE recipes SET name = ? WHERE id = ?", (name, row['id']))
+
+    # Migration: add （一） to base recipes that have numbered siblings
+    _all_recipes2 = c.execute("SELECT id, name FROM recipes").fetchall()
+    _base_groups = {}
+    for row in _all_recipes2:
+        name = row['name']
+        m = _re.match(r'^(.+?)（[一二三四五六七八九十]+）$', name)
+        if m:
+            _base_groups.setdefault(m.group(1), []).append(row['id'])
+    # Find bare names that match a numbered group
+    for row in _all_recipes2:
+        if row['name'] in _base_groups:
+            c.execute("UPDATE recipes SET name = ? WHERE id = ?", (row['name'] + '（一）', row['id']))
 
     # Seed admin user if no users exist
     count = c.execute("SELECT COUNT(*) FROM users").fetchone()[0]