fix: useStatus not refreshing after first OAuth login

Re-fetch /auth/status when account count changes so ApiConfig
updates from "Loading..." to actual values after login.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

web/src/App.tsx

@@ -11,7 +11,7 @@ import { useStatus } from "./hooks/use-status";
 
 function Dashboard() {
   const accounts = useAccounts();
-  const status = useStatus();
+  const status = useStatus(accounts.list.length);
 
   return (
     <>

web/src/hooks/use-status.ts

@@ -1,6 +1,6 @@
 import { useState, useEffect, useCallback } from "preact/hooks";
 
-export function useStatus() {
+export function useStatus(accountCount: number) {
   const [baseUrl, setBaseUrl] = useState("Loading...");
   const [apiKey, setApiKey] = useState("Loading...");
   const [models, setModels] = useState<string[]>(["codex"]);
@@ -35,7 +35,7 @@ export function useStatus() {
       }
     }
     loadStatus();
-  }, [loadModels]);
+  }, [loadModels, accountCount]);
 
   return { baseUrl, apiKey, models, selectedModel, setSelectedModel };
 }