Add Atlas exports and custom Atlas InfoSec icon

Exports page:
- Add Atlas Action Plans export card with three reports: Full Status,
  Coverage Gaps, and Full Report (multi-sheet with active, gaps, history)
- Reports join Atlas cache with Ivanti findings for hostname, IP, BU context

Atlas icon:
- Add AtlasIcon SVG component matching the Atlas InfoSec logo (badge with globe)
- Replace Database icon with AtlasIcon on exports card, sync button, and panel header

frontend/src/components/AtlasIcon.js

@@ -0,0 +1,48 @@
+import React from 'react';
+
+// ---------------------------------------------------------------------------
+// AtlasIcon — SVG recreation of the Atlas InfoSec logo icon.
+// A rounded badge/card shape with a globe (crosshair grid) inside.
+// Accepts the same props as lucide-react icons: style, width, height, color.
+// ⚠️ CONVENTION: Uses raw SVG instead of lucide-react. Acceptable here because
+// this is a custom brand icon (Atlas InfoSec logo) with no lucide-react equivalent.
+// ---------------------------------------------------------------------------
+export default function AtlasIcon({ style, width, height, color, ...props }) {
+  const w = width || (style && style.width) || 24;
+  const h = height || (style && style.height) || 24;
+  const c = color || (style && style.color) || 'currentColor';
+
+  return (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      viewBox="0 0 24 24"
+      width={w}
+      height={h}
+      fill="none"
+      stroke={c}
+      strokeWidth="1.75"
+      strokeLinecap="round"
+      strokeLinejoin="round"
+      style={{ ...style, width: w, height: h, flexShrink: 0 }}
+      {...props}
+    >
+      {/* Badge / card outline — rounded rectangle */}
+      <rect x="3" y="2" width="18" height="20" rx="3" ry="3" />
+
+      {/* Globe circle */}
+      <circle cx="12" cy="11" r="5.5" />
+
+      {/* Globe horizontal line */}
+      <line x1="6.5" y1="11" x2="17.5" y2="11" />
+
+      {/* Globe vertical line */}
+      <line x1="12" y1="5.5" x2="12" y2="16.5" />
+
+      {/* Globe left meridian arc */}
+      <path d="M9.5 5.8C8.6 7.3 8 9 8 11s0.6 3.7 1.5 5.2" />
+
+      {/* Globe right meridian arc */}
+      <path d="M14.5 5.8C15.4 7.3 16 9 16 11s-0.6 3.7-1.5 5.2" />
+    </svg>
+  );
+}