feat: lay groundwork for multi-flow registries

background/navigation-utils.js

@@ -6,6 +6,7 @@
       DEFAULT_CODEX2API_URL,
       DEFAULT_SUB2API_URL,
       normalizeLocalCpaStep9Mode,
+      sourceRegistry = null,
     } = deps;
 
     function parseUrlSafely(rawUrl) {
@@ -66,7 +67,7 @@
     }
 
     function isSignupEntryHost(hostname = '') {
-      return ['chatgpt.com', 'chat.openai.com'].includes(hostname);
+      return ['chatgpt.com', 'www.chatgpt.com', 'chat.openai.com'].includes(hostname);
     }
 
     function isSignupPasswordPageUrl(rawUrl) {
@@ -117,12 +118,16 @@
     }
 
     function matchesSourceUrlFamily(source, candidateUrl, referenceUrl) {
+      if (sourceRegistry?.matchesSourceUrlFamily) {
+        return sourceRegistry.matchesSourceUrlFamily(source, candidateUrl, referenceUrl);
+      }
       const candidate = parseUrlSafely(candidateUrl);
       if (!candidate) return false;
 
       const reference = parseUrlSafely(referenceUrl);
 
       switch (source) {
+        case 'openai-auth':
         case 'signup-page':
           return isSignupPageHost(candidate.hostname) || isSignupEntryHost(candidate.hostname);
         case 'duck-mail':