fix(test): update wechat bind start path assertion

backend/internal/handler/user_handler_test.go

@@ -253,7 +253,7 @@ func TestUserHandlerGetProfileReturnsIdentitySummaries(t *testing.T) {
 	require.Equal(t, "https://issuer.example.com", resp.Data.Identities.OIDC.ProviderKey)
 	require.False(t, resp.Data.Identities.WeChat.Bound)
 	require.True(t, resp.Data.Identities.WeChat.CanBind)
-	require.Contains(t, resp.Data.Identities.WeChat.BindStartPath, "/api/v1/auth/oauth/wechat/start")
+	require.Contains(t, resp.Data.Identities.WeChat.BindStartPath, "/api/v1/auth/oauth/wechat/bind/start")
 }
 
 func TestUserHandlerGetProfileReturnsLegacyCompatibilityFields(t *testing.T) {