Sync: Complete project state with all MEGA SPRINT V1-V3 features and Codex stubs

ralph/scripts/Start-RalphDashboard.ps1

@@ -0,0 +1,13 @@
+param(
+    [string]$Host = "127.0.0.1",
+    [int]$Port = 8765
+)
+
+. (Join-Path $PSScriptRoot "Common.ps1")
+
+$dashboardScript = Join-Path (Get-RalphRoot) "gui\app.py"
+if (-not (Test-Path $dashboardScript)) {
+    throw "Dashboard script not found: $dashboardScript"
+}
+
+& python $dashboardScript --host $Host --port $Port