fix: rewrite ALTCHA component for reliable event binding

- Use refs for callbacks to avoid stale closures
- Create widget via innerHTML and bind events immediately
- Remove dev bypass - use real ALTCHA token
- Add console logging for debugging

admin/src/app/login/page.tsx

@@ -28,24 +28,21 @@ export default function LoginPage() {
   }, []);
 
   const performLogin = useCallback(async () => {
-    // Use development bypass for now
-    const token = process.env.NODE_ENV === 'development' ? 'BYPASS_DEV_MODE' : altchaToken;
-    
-    if (!token && !altchaVerified) {
+    if (!altchaToken) {
       setError('Please complete the security verification');
       return;
     }
 
     setLoading(true);
     try {
-      await login(emailRef.current, passwordRef.current, token);
+      await login(emailRef.current, passwordRef.current, altchaToken);
       router.push('/');
     } catch (err: any) {
       setError(err.message || 'Login failed. Check your credentials.');
     } finally {
       setLoading(false);
     }
-  }, [login, router, altchaToken, altchaVerified]);
+  }, [login, router, altchaToken]);
 
   const handleSubmit = async (e: React.FormEvent) => {
     e.preventDefault();
@@ -114,7 +111,7 @@ export default function LoginPage() {
             <button
               type="submit"
               className="btn-primary w-full"
-              disabled={loading || (process.env.NODE_ENV !== 'development' && !altchaVerified)}
+              disabled={loading || !altchaVerified}
             >
               {loading ? 'Signing in...' : 'Sign In'}
             </button>

admin/src/components/Altcha.tsx

@@ -1,6 +1,6 @@
 'use client';
 
-import { useEffect, useRef, useCallback } from 'react';
+import { useEffect, useRef } from 'react';
 
 interface AltchaProps {
   challengeurl: string;
@@ -9,63 +9,46 @@ interface AltchaProps {
 }
 
 export default function Altcha({ challengeurl, onVerified, onError }: AltchaProps) {
-  const widgetRef = useRef<HTMLDivElement>(null);
-  const scriptLoaded = useRef(false);
-
-  const handleStateChange = useCallback((e: Event) => {
-    const detail = (e as CustomEvent).detail;
-    if (detail?.state === 'verified' && detail?.payload) {
-      onVerified?.(detail.payload);
-    } else if (detail?.state === 'error') {
-      onError?.();
-    }
-  }, [onVerified, onError]);
+  const containerRef = useRef<HTMLDivElement>(null);
+  const callbacksRef = useRef({ onVerified, onError });
+  callbacksRef.current = { onVerified, onError };
 
   useEffect(() => {
-    if (scriptLoaded.current) return;
-    scriptLoaded.current = true;
-
+    // Load script if not already loaded
+    if (!document.querySelector('script[data-altcha]')) {
       const script = document.createElement('script');
       script.src = 'https://cdn.jsdelivr.net/npm/altcha@2.3.0/dist/altcha.min.js';
       script.type = 'module';
       script.async = true;
+      script.setAttribute('data-altcha', 'true');
       document.head.appendChild(script);
-  }, []);
+    }
 
-  useEffect(() => {
-    const container = widgetRef.current;
+    const container = containerRef.current;
     if (!container) return;
 
-    const observer = new MutationObserver(() => {
+    // Create the widget element
+    container.innerHTML = `<altcha-widget challengeurl="${challengeurl}"></altcha-widget>`;
     const widget = container.querySelector('altcha-widget');
-      if (widget) {
-        widget.addEventListener('statechange', handleStateChange);
-        observer.disconnect();
-      }
-    });
+    if (!widget) return;
 
-    observer.observe(container, { childList: true, subtree: true });
-
-    // Also try immediately in case widget already exists
-    const widget = container.querySelector('altcha-widget');
-    if (widget) {
-      widget.addEventListener('statechange', handleStateChange);
-      observer.disconnect();
-    }
-
-    return () => {
-      observer.disconnect();
-      const w = container.querySelector('altcha-widget');
-      if (w) {
-        w.removeEventListener('statechange', handleStateChange);
+    const handler = (e: Event) => {
+      const detail = (e as CustomEvent).detail;
+      console.log('[ALTCHA] statechange:', detail);
+      if (detail?.state === 'verified' && detail?.payload) {
+        callbacksRef.current.onVerified?.(detail.payload);
+      } else if (detail?.state === 'error') {
+        callbacksRef.current.onError?.();
       }
     };
-  }, [handleStateChange]);
 
-  return (
-    <div ref={widgetRef} dangerouslySetInnerHTML={{
-      __html: `<altcha-widget challengeurl="${challengeurl}" debug></altcha-widget>`
-    }} />
-  );
+    widget.addEventListener('statechange', handler);
+
+    return () => {
+      widget.removeEventListener('statechange', handler);
+    };
+  }, [challengeurl]);
+
+  return <div ref={containerRef} />;
 }