fix: final review wave — public routes, inbox 419, url schemes, deep_link, tests

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01BCrwHHnGCB5XH968Nxokqw

core/app/Enums/EventState.php

@@ -36,4 +36,13 @@ enum EventState: string
             array_filter(self::cases(), fn (self $s) => ! $s->isTerminal()),
         ));
     }
+
+    /** @return list<string> */
+    public static function badgeValues(): array
+    {
+        return array_values(array_map(
+            fn (self $s) => $s->value,
+            array_filter(self::cases(), fn (self $s) => $s->countsInBadge()),
+        ));
+    }
 }