fix: Add explicit button types, improve error message extraction, and implement clipboard fallback for 2FA settings.

src/components/settings/PasswordSecurityForm.tsx

@@ -220,6 +220,7 @@ export function PasswordSecurityForm({ onSave }: PasswordSecurityFormProps) {
         {/* Save Button */}
         <div className="mt-8">
           <button
+            type="button"
             onClick={handleSave}
             disabled={loading}
             className="px-8 py-3 bg-[#e58625] text-white rounded-[15px] font-fractul font-medium text-[14px] hover:bg-[#d47920] transition-colors disabled:opacity-50 disabled:cursor-not-allowed"

src/components/settings/TwoFactorSettings.tsx

@@ -44,6 +44,14 @@ export function TwoFactorSettings({ onStatusChange }: TwoFactorSettingsProps) {
     }
   };
 
+  const extractErrorMessage = (err: unknown, fallback: string): string => {
+    const axiosErr = err as { response?: { data?: { message?: string | string[] } } };
+    const message = axiosErr?.response?.data?.message;
+    if (Array.isArray(message)) return message[0] || fallback;
+    if (typeof message === 'string') return message;
+    return err instanceof Error ? err.message : fallback;
+  };
+
   const handleSetup = async () => {
     try {
       setIsLoading(true);
@@ -52,8 +60,7 @@ export function TwoFactorSettings({ onStatusChange }: TwoFactorSettingsProps) {
       setSetupData(response.data);
       setStep('setup');
     } catch (err: unknown) {
-      const errorMessage = err instanceof Error ? err.message : 'Failed to setup 2FA';
-      setError(errorMessage);
+      setError(extractErrorMessage(err, 'Failed to setup 2FA'));
     } finally {
       setIsLoading(false);
     }
@@ -74,8 +81,7 @@ export function TwoFactorSettings({ onStatusChange }: TwoFactorSettingsProps) {
       setIsEnabled(true);
       onStatusChange?.(true);
     } catch (err: unknown) {
-      const errorMessage = err instanceof Error ? err.message : 'Invalid verification code';
-      setError(errorMessage);
+      setError(extractErrorMessage(err, 'Invalid verification code'));
     } finally {
       setIsLoading(false);
     }
@@ -97,8 +103,7 @@ export function TwoFactorSettings({ onStatusChange }: TwoFactorSettingsProps) {
       setSuccess('Two-factor authentication has been disabled');
       onStatusChange?.(false);
     } catch (err: unknown) {
-      const errorMessage = err instanceof Error ? err.message : 'Failed to disable 2FA';
-      setError(errorMessage);
+      setError(extractErrorMessage(err, 'Failed to disable 2FA'));
     } finally {
       setIsLoading(false);
     }
@@ -116,16 +121,27 @@ export function TwoFactorSettings({ onStatusChange }: TwoFactorSettingsProps) {
       setStep('backup-codes');
       setSuccess('New backup codes generated successfully');
     } catch (err: unknown) {
-      const errorMessage = err instanceof Error ? err.message : 'Failed to regenerate backup codes';
-      setError(errorMessage);
+      setError(extractErrorMessage(err, 'Failed to regenerate backup codes'));
     } finally {
       setIsLoading(false);
     }
   };
 
-  const copyBackupCodes = () => {
+  const copyBackupCodes = async () => {
     const codesText = backupCodes.join('\n');
-    navigator.clipboard.writeText(codesText);
+    try {
+      await navigator.clipboard.writeText(codesText);
+    } catch {
+      // Fallback for non-secure contexts (HTTP)
+      const textarea = document.createElement('textarea');
+      textarea.value = codesText;
+      textarea.style.position = 'fixed';
+      textarea.style.opacity = '0';
+      document.body.appendChild(textarea);
+      textarea.select();
+      document.execCommand('copy');
+      document.body.removeChild(textarea);
+    }
     setBackupCodesCopied(true);
     setTimeout(() => setBackupCodesCopied(false), 2000);
   };
@@ -206,6 +222,7 @@ export function TwoFactorSettings({ onStatusChange }: TwoFactorSettingsProps) {
           {isEnabled ? (
             <div className="flex gap-2">
               <button
+                type="button"
                 onClick={handleRegenerateBackupCodes}
                 disabled={isLoading}
                 className="px-4 py-2 border border-[#00293D]/20 text-[#00293D] rounded-[15px] font-serif text-[12px] hover:bg-gray-50 transition-colors disabled:opacity-50"
@@ -213,6 +230,7 @@ export function TwoFactorSettings({ onStatusChange }: TwoFactorSettingsProps) {
                 Backup Codes
               </button>
               <button
+                type="button"
                 onClick={() => setStep('disable')}
                 disabled={isLoading}
                 className="px-4 py-2 border border-red-300 text-red-600 rounded-[15px] font-serif text-[12px] hover:bg-red-50 transition-colors disabled:opacity-50"
@@ -222,6 +240,7 @@ export function TwoFactorSettings({ onStatusChange }: TwoFactorSettingsProps) {
             </div>
           ) : (
             <button
+              type="button"
               onClick={handleSetup}
               disabled={isLoading}
               className="px-6 py-2 bg-[#e58625] text-white rounded-[15px] font-serif text-[12px] hover:bg-[#d47920] transition-colors disabled:opacity-50"
@@ -299,6 +318,7 @@ export function TwoFactorSettings({ onStatusChange }: TwoFactorSettingsProps) {
 
             <div className="flex gap-3">
               <button
+                type="button"
                 onClick={() => {
                   setStep('status');
                   setSetupData(null);
@@ -310,6 +330,7 @@ export function TwoFactorSettings({ onStatusChange }: TwoFactorSettingsProps) {
                 Cancel
               </button>
               <button
+                type="button"
                 onClick={handleVerify}
                 disabled={isLoading || verificationCode.length !== 6}
                 className="px-6 py-2 bg-[#e58625] text-white rounded-[15px] font-serif text-[12px] hover:bg-[#d47920] transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
@@ -358,12 +379,14 @@ export function TwoFactorSettings({ onStatusChange }: TwoFactorSettingsProps) {
           </p>
           <div className="flex gap-2">
             <button
+              type="button"
               onClick={copyBackupCodes}
               className="px-4 py-2 border border-[#00293D]/20 text-[#00293D] rounded-[15px] font-serif text-[12px] hover:bg-gray-50 transition-colors"
             >
               {backupCodesCopied ? 'Copied!' : 'Copy All'}
             </button>
             <button
+              type="button"
               onClick={downloadBackupCodes}
               className="px-4 py-2 border border-[#00293D]/20 text-[#00293D] rounded-[15px] font-serif text-[12px] hover:bg-gray-50 transition-colors"
             >
@@ -373,6 +396,7 @@ export function TwoFactorSettings({ onStatusChange }: TwoFactorSettingsProps) {
         </div>
 
         <button
+          type="button"
           onClick={() => {
             setStep('status');
             setBackupCodes([]);
@@ -433,6 +457,7 @@ export function TwoFactorSettings({ onStatusChange }: TwoFactorSettingsProps) {
 
         <div className="flex gap-3">
           <button
+            type="button"
             onClick={() => {
               setStep('status');
               setDisablePassword('');
@@ -443,6 +468,7 @@ export function TwoFactorSettings({ onStatusChange }: TwoFactorSettingsProps) {
             Cancel
           </button>
           <button
+            type="button"
             onClick={handleDisable}
             disabled={isLoading || !disablePassword}
             className="px-6 py-2 bg-red-600 text-white rounded-[15px] font-serif text-[12px] hover:bg-red-700 transition-colors disabled:opacity-50 disabled:cursor-not-allowed"