Create standalone browser port of LTX Athena with authenticated native API transport

frontend/lib/response-error.test.ts

@@ -0,0 +1,11 @@
+import { test } from 'node:test'
+import assert from 'node:assert/strict'
+import { normalizeResponseError } from './response-error.ts'
+test('error presentation accepts native, FastAPI, Deck and web-service errors', () => {
+  for (const input of [{code:'OOM',message:'CUDA OOM'},{detail:'Offline'},{error:'Sign in'},{error:{message:'Activate Video'}},null,[],{detail:[{msg:'invalid'}]}]) {
+    const value=normalizeResponseError(input)
+    assert.equal(typeof value.message,'string');assert.ok(value.message.length)
+  }
+  assert.equal(normalizeResponseError({error:{message:'Activate Video'}}).message,'Activate Video')
+  assert.equal(normalizeResponseError({code:'OOM',message:'CUDA OOM'}).code,'OOM')
+})