App seems to be running for the first time. Can store an embedding, and can search.

VectorSearchApp/Models/download-model.ps1

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+#!/usr/bin/env pwsh
+# Download script for all-MiniLM-L6-v2 ONNX model
+# Run this script to download the embedding model locally
+
+$ModelUrl = "https://huggingface.co/ sentence-transformers/all-MiniLM-L6-v2/resolve/main/onnx/model.onnx"
+$OutputPath = "Models/all-MiniLM-L6-v2.onnx"
+$BaseUrl = "https://huggingface.co"
+
+# The all-MiniLM-L6-v2 ONNX model is available from HuggingFace
+# We'll use the transformers.js format which is pre-quantized and optimized
+
+Write-Host "Downloading all-MiniLM-L6-v2 ONNX model..." -ForegroundColor Cyan
+Write-Host "Model URL: $ModelUrl" -ForegroundColor Gray
+
+# Alternative: Download from Xenova/transformers.js releases
+$AltUrl = "https://cdn.jsdelivr.net/npm/@xenova/transformers@2.17.2/dist/quantized/all-MiniLM-L6-v2_quantized.onnx"
+
+try {
+    Write-Host "Attempting download from jsDelivr CDN..." -ForegroundColor Yellow
+    $ProgressPreference = 'SilentlyContinue'
+    
+    # Download using curl or Invoke-WebRequest
+    if (Get-Command curl -ErrorAction SilentlyContinue) {
+        curl -L -o $OutputPath $AltUrl
+    } else {
+        Invoke-WebRequest -Uri $AltUrl -OutFile $OutputPath -UseBasicParsing
+    }
+    
+    if (Test-Path $OutputPath) {
+        $size = (Get-Item $OutputPath).Length / 1MB
+        Write-Host "Successfully downloaded model to $OutputPath" -ForegroundColor Green
+        Write-Host "File size: $([math]::Round($size, 2)) MB" -ForegroundColor Gray
+    } else {
+        throw "Download failed - file not created"
+    }
+}
+catch {
+    Write-Host "Error downloading model: $_" -ForegroundColor Red
+    Write-Host "" -ForegroundColor White
+    Write-Host "Manual download instructions:" -ForegroundColor White
+    Write-Host "1. Visit: https://huggingface.co/Xenova/all-MiniLM-L6-v2" -ForegroundColor Gray
+    Write-Host "2. Download 'model_quantized.onnx'" -ForegroundColor Gray
+    Write-Host "3. Save it to: VectorSearchApp/Models/all-MiniLM-L6-v2.onnx" -ForegroundColor Gray
+    exit 1
+}