add banbanmini backend

talkingq-url/implementations/volcano_llm.py

@@ -0,0 +1,41 @@
+from implementations.base_llm import BaseLLM
+from config import settings
+from typing import List, Dict
+
+class VolcanoLLM(BaseLLM):
+    def __init__(self, selected_role=None):
+        self.model_id = settings.volcano_model_id
+        if selected_role and "volcano_model_id" in selected_role:
+            self.model_id = selected_role["volcano_model_id"]
+            session_source = "角色配置"
+        else:
+            session_source = "全局配置"
+            
+        if hasattr(self, 'logger'):
+            self.logger.info(
+                "unknown", 
+                f"Volcano模型ID: {self.model_id} (来源: {session_source})"
+            )
+            
+        if self.model_id.startswith("bot-"):
+            base_url = f"{settings.volcano_base_url}/bots"
+        else:
+            base_url = settings.volcano_base_url
+            
+        super().__init__(
+            api_key=settings.volcano_api_key,
+            base_url=base_url,
+            service_name="Volcano LLM",
+            selected_role=selected_role,
+        )
+
+    async def prepare_request(
+        self, transcript: str, history: List[Dict[str, str]], selected_role: dict
+    ) -> Dict:
+        if selected_role and "volcano_model_id" in selected_role:
+            self.model_id = selected_role["volcano_model_id"]
+            if self.model_id.startswith("bot-"):
+                self.base_url = f"{settings.volcano_base_url}/bots"
+            else:
+                self.base_url = settings.volcano_base_url
+        return await super().prepare_request(transcript, history, selected_role)