Hermes-agent

apps/desktop/scripts/probe-renderer.mjs

@@ -0,0 +1,38 @@
+// quick probe — read state of the renderer
+const list = await (await fetch('http://127.0.0.1:9222/json/list')).json()
+const tgt = list.find(t => t.type === 'page' && t.url.startsWith('http'))
+console.log('target:', tgt?.url)
+if (!tgt) process.exit(1)
+const ws = new WebSocket(tgt.webSocketDebuggerUrl)
+let id = 0
+const pending = new Map()
+ws.addEventListener('message', ev => {
+  const m = JSON.parse(ev.data)
+  if (m.id != null && pending.has(m.id)) {
+    pending.get(m.id)(m)
+    pending.delete(m.id)
+  }
+})
+await new Promise(r => ws.addEventListener('open', r))
+const send = (method, params = {}) =>
+  new Promise(r => {
+    const i = ++id
+    pending.set(i, r)
+    ws.send(JSON.stringify({ id: i, method, params }))
+  })
+
+const r = await send('Runtime.evaluate', {
+  expression: `({
+    url: location.href,
+    title: document.title,
+    rootChildren: document.getElementById('root')?.children.length ?? 0,
+    rootInner: (document.getElementById('root')?.innerHTML ?? '').slice(0, 300),
+    hasComposer: !!document.querySelector('[data-slot="composer-rich-input"]'),
+    bootStage: (document.querySelector('[data-slot*="boot"]')?.getAttribute('data-slot')) ?? null,
+    bodyText: document.body.innerText.slice(0, 300),
+    errorCount: window.__errors?.length ?? 'n/a'
+  })`,
+  returnByValue: true
+})
+console.log('raw:', JSON.stringify(r, null, 2))
+ws.close()