fix: add pre_prompt to engine settings (#664)

Author: louis-jan

cortex-js/src/file-manager/file-manager.service.ts

@@ -10,6 +10,7 @@ export class FileManagerService {
   private configFile = '.cortexrc';
   private cortexDirectoryName = 'cortex';
   private modelFolderName = 'models';
+  private presetFolderName = 'presets';
   private extensionFoldername = 'extensions';
   private cortexCppFolderName = 'cortex-cpp';
 
@@ -96,6 +97,16 @@ export class FileManagerService {
     return join(dataFolderPath, this.modelFolderName);
   }
 
+  /**
+   * Get the presets data folder path
+   * Usually it is located at the home directory > cortex > presets
+   * @returns the path to the presets folder
+   */
+  async getPresetsPath(): Promise<string> {
+    const dataFolderPath = await this.getDataFolderPath();
+    return join(dataFolderPath, this.presetFolderName);
+  }
+
   /**
    * Get the extensions data folder path
    * Usually it is located at the home directory > cortex > extensions

cortex-js/src/infrastructure/commanders/usecases/models.cli.usecases.ts

@@ -27,7 +27,7 @@ import { UpdateModelDto } from '@/infrastructure/dtos/models/update-model.dto';
 import { FileManagerService } from '@/file-manager/file-manager.service';
 import { join, basename } from 'path';
 import { load } from 'js-yaml';
-import { existsSync, readFileSync } from 'fs';
+import { existsSync, readdirSync, readFileSync } from 'fs';
 import { isLocalModel, normalizeModelId } from '../utils/normalize-model-id';
 import {
   HUGGING_FACE_DOWNLOAD_FILE_MAIN_URL,
@@ -395,11 +395,16 @@ export class ModelsCliUsecases {
   }
 
   private async parsePreset(preset?: string): Promise<object> {
-    const presetPath = join(
-      await this.fileService.getDataFolderPath(),
-      'presets',
-      `${preset}.yaml`,
+    const presetsFolder = await this.fileService.getPresetsPath();
+
+    const presetFile = readdirSync(presetsFolder).find(
+      (file) =>
+        file.toLowerCase() === `${preset?.toLowerCase()}.yaml` ||
+        file.toLowerCase() === `${preset?.toLocaleLowerCase()}.yml`,
     );
+    if (!presetFile) throw new Error(`Preset ${preset} not found`);
+    const presetPath = join(presetsFolder, presetFile);
+
     if (!preset || !existsSync(presetPath)) return {};
     return preset
       ? (load(readFileSync(join(presetPath), 'utf-8')) as object)

cortex-js/src/infrastructure/commanders/utils/model-parameter.parser.ts

@@ -15,6 +15,7 @@ export class ModelParameterParser {
     llama_model_path: 'string',
     mmproj: 'string',
     cont_batching: 'boolean',
+    pre_prompt: 'string',
   };
 
   private modelRuntimeParamTypes: { [key: string]: string } = {