refactor: split model loader from model definitions (#1619)

src/model/te/llm.hpp

@@ -21,6 +21,7 @@
 #include "core/ggml_extend.hpp"
 #include "json.hpp"
 #include "model/common/rope.hpp"
+#include "model_loader.h"
 #include "tokenizers/bpe_tokenizer.h"
 #include "tokenizers/gemma_tokenizer.h"
 #include "tokenizers/gpt_oss_tokenizer.h"

src/model/te/t5.hpp

@@ -11,7 +11,7 @@
 #include <unordered_map>
 
 #include "core/ggml_extend.hpp"
-#include "model.h"
+#include "model_loader.h"
 #include "tokenizers/t5_unigram_tokenizer.h"
 
 struct T5Config {