frontend: polish app launch and release experience

neode-ui/src/utils/__tests__/bitcoinReceive.test.ts

@@ -0,0 +1,20 @@
+import { describe, expect, it } from 'vitest'
+import { explainReceiveAddressFailure } from '../bitcoinReceive'
+
+describe('explainReceiveAddressFailure', () => {
+  it('explains locked wallet failures', () => {
+    expect(explainReceiveAddressFailure(new Error('wallet locked'))).toContain('wallet is locked')
+  })
+
+  it('explains sync failures', () => {
+    expect(explainReceiveAddressFailure(new Error('chain backend is still syncing'))).toContain('still syncing')
+  })
+
+  it('explains empty address responses', () => {
+    expect(explainReceiveAddressFailure(new Error('LND did not return a Bitcoin address'))).toContain('did not return an address')
+  })
+
+  it('explains lnd transport failures', () => {
+    expect(explainReceiveAddressFailure(new Error('LND REST connection failed'))).toContain('not responding cleanly')
+  })
+})