feat: get_pricing_display supports optional model filter

- Add model parameter to filter displayed pricing items to a single model
- DSPY endpoint accepts ?model=xxx param
- Backward compatible: omitting model returns all items

pricing/pricing.py

@@ -753,9 +753,13 @@ def generate_formula_from_factors(price_factors):
 	return formula
 
 
-async def get_pricing_display(ppid):
+async def get_pricing_display(ppid, model=None):
 	"""获取定价项目的可读定价数据，供客户/前端展示。
 
+	Args:
+		ppid: 定价项目ID
+		model: 可选，按模型名过滤，只返回匹配该模型的定价项
+
 	返回结构:
 	{
 		"ppid": "...",
@@ -915,6 +919,21 @@ async def get_pricing_display(ppid):
 				item['formula'] = p['formula']
 			items.append(item)
 
+	# 按模型过滤：只返回匹配该模型的定价项
+	if model:
+		filtered_items = []
+		for item in items:
+			item_model = None
+			# 从 filters dict 中取 model
+			if item.get('filters') and isinstance(item['filters'], dict):
+				item_model = item['filters'].get('model')
+			# 从 filter_labels 中取（用 key 名"模型"查找）
+			if not item_model and item.get('filter_labels'):
+				item_model = item['filter_labels'].get('模型')
+			if item_model == model:
+				filtered_items.append(item)
+		items = filtered_items
+
 	# 生成可读价格表
 	display_lines = [f"【{getattr(r, 'name', '')}】定价:"]
 	for item in items:

wwwroot/api/get_pricing_display.dspy

@@ -1,9 +1,10 @@
 ppid = params_kw.get('ppid')
+model = params_kw.get('model')
 if not ppid:
     return json.dumps({"status": "error", "message": "ppid parameter required"}, ensure_ascii=False)
 
 try:
-    result = await get_pricing_display(ppid)
+    result = await get_pricing_display(ppid, model)
     return json.dumps({"status": "ok", "data": result}, ensure_ascii=False, default=str)
 except Exception as e:
     exception(f'get_pricing_display({ppid}) failed: {e}\n{format_exc()}')