Use Max-Age casing in browserHandler for consistency

The other three request handlers write Max-Age; the browser handler
was the odd one out with lowercase max-age. Cookie attributes are
case-insensitive so this is cosmetic, but keeps the SDK output uniform.

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

Author: luke-owen-crowdhandler

dist/crowdhandler.cjs.js

@@ -35,10 +35,10 @@ var BrowserHandler = /** @class */ (function () {
             cookieOptions.domain = domain;
         }
         // Opt-in persistence — when maxAgeSeconds is omitted, the cookie is a
-        // session cookie (browsers drop it when closed). max-age is preferred
-        // over expires because it's not affected by client clock skew.
+        // session cookie (browsers drop it when closed). Max-Age is preferred
+        // over Expires because it's not affected by client clock skew.
         if (maxAgeSeconds) {
-            cookieOptions["max-age"] = maxAgeSeconds;
+            cookieOptions["Max-Age"] = maxAgeSeconds;
         }
         document.cookie = "".concat(cookieName, "=").concat(value, "; ").concat(Object.keys(cookieOptions)
             .map(function (key) { return "".concat(key, "=").concat(cookieOptions[key]); })

dist/crowdhandler.cjs.js.map

@@ -37,10 +37,10 @@ export class BrowserHandler {
     }
 
     // Opt-in persistence — when maxAgeSeconds is omitted, the cookie is a
-    // session cookie (browsers drop it when closed). max-age is preferred
-    // over expires because it's not affected by client clock skew.
+    // session cookie (browsers drop it when closed). Max-Age is preferred
+    // over Expires because it's not affected by client clock skew.
     if (maxAgeSeconds) {
-      cookieOptions["max-age"] = maxAgeSeconds;
+      cookieOptions["Max-Age"] = maxAgeSeconds;
     }
 
     document.cookie = `${cookieName}=${value}; ${Object.keys(cookieOptions)