Update AnalyzingText icon and copy

Swap the Sparkle icon for EnvelopeSimple so the post-submission card
matches what the user is being asked to do next (check their email).
Update the copy to "Your report should be ready in just a moment."

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: martyndavies

apps/web/src/components/AnalyzingText/index.tsx

@@ -1,17 +1,17 @@
-import { Sparkle } from "@phosphor-icons/react/dist/ssr";
+import { EnvelopeSimple } from "@phosphor-icons/react/dist/ssr";
 import StepContainer from "../StepContainer";
 
 const AnalyzingText = () => (
   <StepContainer step={3}>
     <div className="card mx-auto flex max-w-md flex-col items-center gap-3 p-6 text-center">
       <span className="bg-accent-light text-accent grid h-10 w-10 place-items-center rounded-full">
-        <Sparkle size={20} weight="regular" />
+        <EnvelopeSimple size={20} weight="regular" />
       </span>
       <h3 className="font-display text-fg text-base font-semibold">
         Report on the way
       </h3>
       <p className="text-fg-muted text-sm">
-        Your report should be ready in a few minutes. Check your email for the
+        Your report should be ready in just a moment. Check your email for the
         link.
       </p>
     </div>