diff --git a/client/cypress.config.js b/client/cypress.config.js
index b48f42a28..324234b9d 100644
--- a/client/cypress.config.js
+++ b/client/cypress.config.js
@@ -1,11 +1,47 @@
+const path = require("path")
 const { defineConfig } = require("cypress")
 
 module.exports = defineConfig({
+  env: {
+    ABS_CYPRESS_DEBUG_BROWSER: false
+  },
+  e2e: {
+    setupNodeEvents(on, config) {
+      on('task', {
+        absCypressDebug(payload) {
+          const prefix = `[cypress:${payload.type}]`
+          const message = typeof payload.message === 'string' ? payload.message : JSON.stringify(payload.message)
+          const details = payload.details ? `\n${payload.details}` : ''
+
+          // Surface browser-side failures in terminal output for focused debug runs.
+          console.error(`${prefix} ${message}${details}`)
+          return null
+        }
+      })
+
+      on('before:browser:launch', (browser, launchOptions) => {
+        if (!config.env.ABS_CYPRESS_DEBUG_BROWSER) {
+          return launchOptions
+        }
+
+        if (browser.family === 'chromium') {
+          launchOptions.args.push('--auto-open-devtools-for-tabs')
+          launchOptions.args.push('--enable-logging=stderr')
+          launchOptions.args.push('--v=1')
+        }
+
+        return launchOptions
+      })
+
+      return config
+    }
+  },
   component: {
     devServer: {
       framework: "nuxt",
       bundler: "webpack"
     },
-    specPattern: "cypress/tests/**/*.cy.js"
+    specPattern: "cypress/tests/**/*.cy.js",
+    supportFile: path.join(__dirname, 'cypress/support/component.js')
   }
 })
diff --git a/client/cypress/support/component.js b/client/cypress/support/component.js
index a3dd58d95..ac78cb25f 100644
--- a/client/cypress/support/component.js
+++ b/client/cypress/support/component.js
@@ -25,6 +25,45 @@ import '../../plugins/init.client'
 
 import { mount } from 'cypress/vue2'
 
+const shouldForwardBrowserDebug = () => Boolean(Cypress.env('ABS_CYPRESS_DEBUG_BROWSER'))
+
+const formatErrorDetails = (value) => {
+  if (!value) return ''
+  if (value.stack) return value.stack
+  if (typeof value === 'string') return value
+
+  try {
+    return JSON.stringify(value, null, 2)
+  } catch {
+    return String(value)
+  }
+}
+
+const forwardBrowserDebug = (type, message, details) => {
+  if (!shouldForwardBrowserDebug()) return
+
+  cy.task('absCypressDebug', {
+    type,
+    message,
+    details: formatErrorDetails(details)
+  }, { log: false })
+}
+
+window.addEventListener('error', (event) => {
+  forwardBrowserDebug('window-error', event.message || 'Unhandled window error', event.error)
+})
+
+window.addEventListener('unhandledrejection', (event) => {
+  const reason = event.reason
+  const message = reason?.message || 'Unhandled promise rejection'
+  forwardBrowserDebug('unhandledrejection', message, reason)
+})
+
+Cypress.on('fail', (error, runnable) => {
+  forwardBrowserDebug('cypress-fail', `${runnable?.fullTitle?.() || 'Unknown test'} failed`, error)
+  throw error
+})
+
 //Cypress.Commands.add('mount', mount)
 Cypress.Commands.add('mount', (component, options = {}) => {
 
@@ -35,4 +74,4 @@ Cypress.Commands.add('mount', (component, options = {}) => {
 })
 
 // Example use:
-// cy.mount(MyComponent)
\ No newline at end of file
+// cy.mount(MyComponent)