Method markModelDownloaded

frontend/src/lib/ai/modelManager.ts:88–106

(model: LocalModel)

  // Mark a model as downloaded and store metadata
  markModelDownloaded(model: LocalModel): void {
    const models = this.getDownloadedModels();
    const existingIndex = models.findIndex(m => m.id === model.id);
    
    const updatedModel = {
      ...model,
      isDownloaded: true,
      downloadDate: new Date().toISOString(),
      lastUsed: new Date().toISOString(),
    };

    if (existingIndex >= 0) {
      models[existingIndex] = updatedModel;
    } else {
      models.push(updatedModel);
    }

    this.saveDownloadedModels(models);
  }

  // Mark a model as used (update last used timestamp)
  markModelUsed(modelId: string): void {