Finalize dev-1.3 upgrades and Seerr updates

frontend/app/how-it-works/page.tsx

@@ -14,7 +14,7 @@ export default function HowItWorksPage() {
 
       <section className="how-grid">
         <article className="how-card">
-          <h2>Jellyseerr</h2>
+          <h2>Seerr</h2>
           <p className="how-title">The request box</p>
           <p>
             This is where you ask for a movie or show. It keeps the request and whether it is
@@ -55,7 +55,7 @@ export default function HowItWorksPage() {
         <h2>The pipeline (request to ready)</h2>
         <ol className="how-steps">
           <li>
-            <strong>Request created</strong> in Jellyseerr.
+            <strong>Request created</strong> in Seerr.
           </li>
           <li>
             <strong>Approved</strong> and sent to Sonarr/Radarr.
@@ -108,7 +108,7 @@ export default function HowItWorksPage() {
       <section className="how-flow">
         <h2>Request actions and when to use them</h2>
         <div className="how-step-grid">
-          <article className="how-step-card step-jellyseerr">
+          <article className="how-step-card step-seerr">
             <div className="step-badge">1</div>
             <h3>Re-add to Arr</h3>
             <p className="step-note">Use when a request is approved but never entered the Arr queue.</p>