fix: preserve dismissed status on review request upsert

The upsert was resetting dismissed reviews back to pending on every
GitHub poll, immediately undoing the user's dismiss action. Also
enlarged the dismiss button click target for easier interaction.

Author: 42tg

apps/server/src/persistence/Layers/ReviewRequestRepository.ts

@@ -127,7 +127,7 @@ const makeReviewRequestRepository = Effect.gen(function* () {
           pr_title = ${row.prTitle},
           author_login = ${row.authorLogin},
           is_bot = ${row.isBot},
-          status = CASE WHEN review_requests.status IN ('dismissed', 'approved', 'changes_requested') THEN 'pending' ELSE review_requests.status END,
+          status = CASE WHEN review_requests.status IN ('approved', 'changes_requested') THEN 'pending' ELSE review_requests.status END,
           pr_body = ${row.prBody},
           pr_labels = ${row.prLabels},
           updated_at = ${row.updatedAt}

apps/web/src/components/NotificationBell.tsx

@@ -331,11 +331,11 @@ export default function NotificationBell({
                       </div>
                       <button
                         type="button"
-                        className="mt-0.5 shrink-0 rounded p-0.5 text-muted-foreground/40 opacity-0 transition-opacity hover:bg-secondary hover:text-foreground group-hover/item:opacity-100"
+                        className="shrink-0 self-start rounded p-1.5 text-muted-foreground/40 opacity-0 transition-opacity hover:bg-secondary hover:text-foreground group-hover/item:opacity-100"
                         aria-label="Dismiss"
                         onClick={(event) => void handleDismiss(event, request.id)}
                       >
-                        <XIcon className="size-3" />
+                        <XIcon className="size-3.5" />
                       </button>
                     </div>
                   </div>