fix: add 7-day snooze cooldown to GitHub star modal

"Maybe later" previously only hid the modal for the current session,
causing it to reappear on every subsequent visit. Now it snoozes the
modal for 7 days before showing again.

frontend-modern/src/components/GitHubStarBanner.tsx

@@ -26,6 +26,12 @@ export function GitHubStarBanner() {
     ''
   );
 
+  // Track snooze date (when "Maybe later" was clicked, don't show again until this date)
+  const [snoozedUntil, setSnoozedUntil] = createLocalStorageStringSignal(
+    STORAGE_KEYS.GITHUB_STAR_SNOOZED_UNTIL,
+    ''
+  );
+
   const [showModal, setShowModal] = createSignal(false);
 
   // Check if user qualifies to see the modal
@@ -61,6 +67,13 @@ export function GitHubStarBanner() {
       return;
     }
 
+    // Still within snooze period? Don't show
+    const snoozeDate = snoozedUntil();
+    if (snoozeDate && today < snoozeDate) {
+      setShowModal(false);
+      return;
+    }
+
     // Returning user (different day than first seen)? Show the modal
     if (firstSeen !== today) {
       setShowModal(true);
@@ -80,8 +93,10 @@ export function GitHubStarBanner() {
   };
 
   const handleMaybeLater = () => {
-    // Just close for this session, but don't permanently dismiss
-    // They'll see it again next time they return
+    // Snooze for 7 days before showing again
+    const snoozeDate = new Date();
+    snoozeDate.setDate(snoozeDate.getDate() + 7);
+    setSnoozedUntil(snoozeDate.toISOString().split('T')[0]);
     setShowModal(false);
   };
 

frontend-modern/src/utils/localStorage.ts

@@ -168,6 +168,7 @@ export const STORAGE_KEYS = {
   // GitHub star prompt
   GITHUB_STAR_DISMISSED: 'pulse-github-star-dismissed',
   GITHUB_STAR_FIRST_SEEN: 'pulse-github-star-first-seen',
+  GITHUB_STAR_SNOOZED_UNTIL: 'pulse-github-star-snoozed-until',
 
   // Audit log
   AUDIT_AUTO_VERIFY: 'pulse-audit-auto-verify',