change deepseek-lite to deepseek2

src/llama.cpp

@@ -19614,8 +19614,8 @@ static int32_t llama_chat_apply_template_internal(
                 ss << trim(message->content);
             }
         }
-    } else if (tmpl == "deepseek-lite" || tmpl_contains("'Assistant: ' + message['content'] + eos_token")) {
-        // DeepSeek-Coder-V2-Lite-Instruct-GGUF
+    } else if (tmpl == "deepseek2" || tmpl_contains("'Assistant: ' + message['content'] + eos_token")) {
+        // DeepSeek-V2
         std::string eos_token = u8"<｜end▁of▁sentence｜>";
         for (auto message : chat) {
             std::string role(message->role);
@@ -19628,7 +19628,7 @@ static int32_t llama_chat_apply_template_internal(
             }
         }
         if (add_ass) {
-            ss << "Assistant: ";
+            ss << "Assistant:";
         }
     } else {
         // template not supported

tests/test-chat-template.cpp

@@ -100,8 +100,8 @@ int main(void) {
         "<|system|>\nYou are a helpful assistant<|end|>\n<|user|>\nHello<|end|>\n<|assistant|>\nHi there<|end|>\n<|user|>\nWho are you<|end|>\n<|assistant|>\n   I am an assistant   <|end|>\n<|user|>\nAnother question<|end|>\n<|assistant|>\n",
         // MiniCPM-3B-OpenHermes-2.5-v2-GGUF
         u8"You are a helpful assistant<用户>Hello<AI>Hi there<用户>Who are you<AI>I am an assistant<用户>Another question<AI>",
-        // DeepSeek-Coder-V2-Lite-Instruct-GGUF
-        u8"You are a helpful assistant\n\nUser: Hello\n\nAssistant: Hi there<｜end▁of▁sentence｜>User: Who are you\n\nAssistant:    I am an assistant   <｜end▁of▁sentence｜>User: Another question\n\nAssistant: ",
+        // DeepSeek-V2
+        u8"You are a helpful assistant\n\nUser: Hello\n\nAssistant: Hi there<｜end▁of▁sentence｜>User: Who are you\n\nAssistant:    I am an assistant   <｜end▁of▁sentence｜>User: Another question\n\nAssistant:",
     };
     std::vector<char> formatted_chat(1024);
     int32_t res;