Update dev startup script messaging and checks

Refined output messages in start-dev.ps1 for clarity and consistency. Updated instructions for missing Ollama installation and clarified local AI model usage, including mention of RAG enhancement.

Author: DongDuong2001

start-dev.ps1

@@ -1,7 +1,7 @@
 # Lab68 Dev Platform - Development Startup Script
 # This script ensures Ollama is available and starts the dev server
 
-Write-Host "🚀 Starting Lab68 Dev Platform..." -ForegroundColor Cyan
+Write-Host "Starting Lab68 Dev Platform..." -ForegroundColor Cyan
 Write-Host ""
 
 # Add Ollama to PATH
@@ -11,17 +11,18 @@ $env:PATH = "C:\Users\$env:USERNAME\AppData\Local\Programs\Ollama;$env:PATH"
 Write-Host "Checking Ollama status..." -ForegroundColor Yellow
 try {
     $ollamaVersion = ollama --version 2>$null
-    Write-Host "✓ Ollama installed: $ollamaVersion" -ForegroundColor Green
+    Write-Host "Ollama installed: $ollamaVersion" -ForegroundColor Green
 
     $models = ollama list 2>$null
     if ($models -match "deepseek-r1:7b") {
-        Write-Host "✓ DeepSeek R1 7B model ready" -ForegroundColor Green
-        Write-Host "🟢 AI will run locally (privacy-first, no API costs)" -ForegroundColor Green
+        Write-Host "DeepSeek R1 7B model ready" -ForegroundColor Green
+        Write-Host "AI will run locally with RAG enhancement (privacy-first, no API costs)" -ForegroundColor Green
     } else {
         Write-Host "⚠ DeepSeek model not found. Run: ollama pull deepseek-r1:7b" -ForegroundColor Yellow
     }
 } catch {
-    Write-Host "⚠ Ollama not found. AI will use fallback APIs" -ForegroundColor Yellow
+    Write-Host "Ollama not found. AI features require Ollama." -ForegroundColor Red
+    Write-Host "Install from: https://ollama.com" -ForegroundColor Yellow
 }
 
 Write-Host ""