refactor(admin): split evidence, process-tasks, iace/hazards pages

Extract components and hooks into _components/ and _hooks/ subdirectories
to reduce each page.tsx to under 500 LOC (was 1545/1383/1316).

Final line counts: evidence=213, process-tasks=304, hazards=157.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

admin-compliance/app/sdk/process-tasks/_components/Toast.tsx

@@ -0,0 +1,16 @@
+'use client'
+
+import { useEffect } from 'react'
+
+export function Toast({ message, onClose }: { message: string; onClose: () => void }) {
+  useEffect(() => {
+    const t = setTimeout(onClose, 3000)
+    return () => clearTimeout(t)
+  }, [onClose])
+
+  return (
+    <div className="fixed bottom-6 right-6 z-[60] bg-gray-900 text-white px-5 py-3 rounded-xl shadow-xl text-sm animate-slide-up">
+      {message}
+    </div>
+  )
+}