chore: add Windows PowerShell variant of Ollama CV startup script

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

scripts/start-ollama-cv.ps1

@@ -0,0 +1,100 @@
+# PowerShell equivalent of start-ollama-cv.sh
+# Starts Ollama service, pulls model if needed, waits, then restarts AI service
+
+Set-StrictMode -Version Latest
+$ErrorActionPreference = 'Stop'
+
+# Change to the parent directory of scripts
+$scriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
+Set-Location (Join-Path $scriptDir '..')
+
+$MODEL = if ($env:OLLAMA_MODEL) { $env:OLLAMA_MODEL } else { 'qwen2.5:7b' }
+$OLLAMA_WAIT_SECONDS = if ($env:OLLAMA_WAIT_SECONDS) { [int]$env:OLLAMA_WAIT_SECONDS } else { 180 }
+$PULL_WAIT_SECONDS = if ($env:OLLAMA_PULL_WAIT_SECONDS) { [int]$env:OLLAMA_PULL_WAIT_SECONDS } else { 1800 }
+
+function compose {
+    docker compose @args
+}
+
+function wait_for_ollama {
+    $deadline = (Get-Date).AddSeconds($OLLAMA_WAIT_SECONDS)
+    while ((Get-Date) -lt $deadline) {
+        try {
+            compose exec -T ollama ollama list | Out-Null
+            return $true
+        } catch {
+            # Ignore errors, just wait
+        }
+        Start-Sleep -Seconds 3
+    }
+    return $false
+}
+
+function model_present {
+    try {
+        $models = compose exec -T ollama ollama list 2>$null | Select-Object -Skip 1 | ForEach-Object { $_.Split()[0] }
+        return $models -contains $MODEL
+    } catch {
+        return $false
+    }
+}
+
+function wait_for_model {
+    $deadline = (Get-Date).AddSeconds($PULL_WAIT_SECONDS)
+    while ((Get-Date) -lt $deadline) {
+        if (model_present) {
+            return $true
+        }
+        Start-Sleep -Seconds 5
+    }
+    return $false
+}
+
+Write-Host "Starting Ollama service..."
+compose up -d ollama
+
+if (-not (wait_for_ollama)) {
+    Write-Host "Ollama did not become ready within ${OLLAMA_WAIT_SECONDS}s."
+    try { compose logs --tail=200 ollama } catch { }
+    exit 1
+}
+
+Write-Host "Ollama is responding."
+
+if (model_present) {
+    Write-Host "Model already present: $MODEL"
+} else {
+    Write-Host "Pulling Ollama model: $MODEL"
+    try {
+        compose exec -T ollama ollama pull $MODEL
+    } catch {
+        Write-Host "Model pull command failed."
+        try { compose logs --tail=200 ollama } catch { }
+        exit 1
+    }
+}
+
+if (-not (wait_for_model)) {
+    Write-Host "Model ${MODEL} did not appear within ${PULL_WAIT_SECONDS}s."
+    try { compose exec -T ollama ollama list } catch { }
+    exit 1
+}
+
+Write-Host "Ollama model ready: $MODEL"
+
+Write-Host "Restarting AI service so it can use the ready Ollama model."
+compose up -d ai-service
+
+try {
+    $state = compose ps ai-service --format '{{.State}}' 2>$null | Select-Object -First 1 | ForEach-Object { $_.ToLower().Trim() }
+    if ($state -ne 'running') {
+        Write-Host "AI service is not running after Ollama warmup."
+        try { compose logs --tail=200 ai-service } catch { }
+        exit 1
+    }
+} catch {
+    Write-Host "Failed to check AI service status."
+    exit 1
+}
+
+Write-Host "Ollama warmup complete."