theseus/messages-preload.js

// Renderer bridge for the Messages panel.
// All hermes-* IPC returns { ok, ... } | { ok: false, err }.
const { contextBridge, ipcRenderer } = require("electron");

contextBridge.exposeInMainWorld("hermes", {
  status:      () => ipcRenderer.invoke("hermes-status"),
  canUseVault: () => ipcRenderer.invoke("hermes-can-use-vault"),
  init:        (mnemonic) => ipcRenderer.invoke("hermes-init", { mnemonic }),
  initFromVault: () => ipcRenderer.invoke("hermes-init", { useVault: true }),
  close:       () => ipcRenderer.invoke("hermes-close"),
  inbox:    () => ipcRenderer.invoke("hermes-inbox"),
  send:     (to, text) => ipcRenderer.invoke("hermes-send", { to, text }),
  // Server-push: new decrypted message arrived. Callback gets { senderPkHex, senderName, text, createdAt }.
  onMessage: (cb) => {
    const wrapped = (_e, msg) => cb(msg);
    ipcRenderer.on("hermes-message", wrapped);
    return () => ipcRenderer.removeListener("hermes-message", wrapped);
  },
  // Server-push: relay connection state changed. Callback gets { relaysConnected, relaysTotal }.
  onStatus: (cb) => {
    const wrapped = (_e, s) => cb(s);
    ipcRenderer.on("hermes-status-update", wrapped);
    return () => ipcRenderer.removeListener("hermes-status-update", wrapped);
  },
});