feat: replace orange-* Tailwind classes with blue-* equivalents

orange-400→blue-400, orange-500→blue-500, orange-600→blue-600
across ~21 component files.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/src/components/scripts/ParameterizeAndSavePanel.tsx

@@ -440,7 +440,7 @@ export function ParameterizeAndSavePanel({
                   type="checkbox"
                   checked={shareWithTeam}
                   onChange={(e) => setShareWithTeam(e.target.checked)}
-                  className="w-4 h-4 rounded border-border bg-card text-orange-500 focus:ring-orange-500/20"
+                  className="w-4 h-4 rounded border-border bg-card text-blue-500 focus:ring-blue-500/20"
                 />
                 <span className="text-sm text-foreground">Share with team</span>
               </label>