fix: create_apikey.dspy 添加重复key返回500，加try/except

添加重复的应用ID或名称时，sor.C()抛Duplicate异常未捕获，
导致500错误而非友好的提示信息。

修复:
- 包裹主逻辑在try/except中
- Duplicate/1062错误: 返回'应用ID或名称已存在'
- 其他错误: 返回具体错误信息

wwwroot/create_apikey.dspy

@@ -20,7 +20,8 @@ kw = {
 	]
 }
 
-async with db.sqlorContext(dbname) as sor:
+try:
+	async with db.sqlorContext(dbname) as sor:
 		orgid = await get_userorgid()
 		userid = await get_user()
 		ns = {
@@ -42,4 +43,11 @@ async with db.sqlorContext(dbname) as sor:
 		}
 		await sor.C('downapikey', ns1)
 		return UiMessage(title="create apikey", message=f"apikey created", **kw)
+except Exception as e:
+	err_msg = str(e)
+	debug(f'create_apikey error: {format_exc()}')
+	if 'Duplicate' in err_msg or '1062' in err_msg:
+		return UiError(title='创建失败', message='应用ID或名称已存在，请使用不同的ID或名称')
+	return UiError(title='创建失败', message=f'创建API Key失败: {err_msg}')
+
 return UiError(title='create apikey', message='add apikey error')