fix model subdirectories

src/model_manager.cpp

@@ -453,7 +453,7 @@ bool ModelManager::scanModelsDirectory() {
     std::map<std::string, ModelInfo> tempModels;
 
     if (pImpl->legacyMode) {
-        // Legacy mode: scan the models directory itself and its subdirectories
+        // Legacy mode: recursively scan the entire models directory and auto-detect all subdirectories
         fs::path modelsPath(pImpl->modelsDirectory);
 
         if (!fs::exists(modelsPath) || !fs::is_directory(modelsPath)) {
@@ -461,32 +461,12 @@ bool ModelManager::scanModelsDirectory() {
             return false;
         }
 
-        // First, scan the main models directory itself for any model files
-        // This handles the case where models are directly in the specified directory
+        // Scan the entire models directory recursively
+        // Model type will be determined by file extension and directory structure
+        // Model names will include the full relative path from the base models directory
         if (!pImpl->scanDirectory(modelsPath, ModelType::NONE, tempModels)) {
             return false;
         }
-
-        // Then scan known subdirectories for organized models
-        std::vector<std::pair<fs::path, ModelType>> directoriesToScan = {
-            {modelsPath / "stable-diffusion", ModelType::CHECKPOINT},
-            {modelsPath / "controlnet", ModelType::CONTROLNET},
-            {modelsPath / "lora", ModelType::LORA},
-            {modelsPath / "vae", ModelType::VAE},
-            {modelsPath / "taesd", ModelType::TAESD},
-            {modelsPath / "esrgan", ModelType::ESRGAN},
-            {modelsPath / "upscaler", ModelType::ESRGAN},
-            {modelsPath / "embeddings", ModelType::EMBEDDING},
-            {modelsPath / "textual-inversion", ModelType::EMBEDDING},
-            {modelsPath / "checkpoints", ModelType::CHECKPOINT}, // Also scan checkpoints subdirectory
-            {modelsPath / "other", ModelType::NONE} // Scan for any type
-        };
-
-        for (const auto& [dirPath, type] : directoriesToScan) {
-            if (!pImpl->scanDirectory(dirPath, type, tempModels)) {
-                return false;
-            }
-        }
     } else {
         // Explicit mode: scan configured directories for each model type
         std::vector<std::pair<ModelType, std::string>> directoriesToScan = {