diff --git a/apps/desktop/scripts/diag-submit.mjs b/apps/desktop/scripts/diag-submit.mjs
deleted file mode 100644
index 7b10218f36..0000000000
--- a/apps/desktop/scripts/diag-submit.mjs
+++ /dev/null
@@ -1,115 +0,0 @@
-// Manual single-shot observer to find what's happening between Enter and clear
-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'))
-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 = (m, p = {}) =>
-  new Promise(r => {
-    const i = ++id
-    pending.set(i, r)
-    ws.send(JSON.stringify({ id: i, method: m, params: p }))
-  })
-const evalP = async expr => {
-  const r = await send('Runtime.evaluate', { expression: expr, returnByValue: true })
-  return r.result.result.value
-}
-
-// Type some text
-const composerExists = await evalP(`
-  (() => {
-    const el = document.querySelector('[data-slot="composer-rich-input"]')
-    if (!el) return false
-    el.focus()
-    const range = document.createRange()
-    range.selectNodeContents(el)
-    range.collapse(false)
-    const sel = window.getSelection()
-    sel.removeAllRanges(); sel.addRange(range)
-    return true
-  })()
-`)
-console.log('composer focused:', composerExists)
-
-const text = 'cancel me ' + 'x'.repeat(30)
-for (const c of text) {
-  await send('Input.dispatchKeyEvent', { type: 'char', text: c, unmodifiedText: c })
-  await new Promise(r => setTimeout(r, 10))
-}
-await new Promise(r => setTimeout(r, 200))
-
-// Set up a deep observer that logs ALL state transitions in the composer subtree
-await evalP(`
-  (() => {
-    window.__submitLog = []
-    const composer = document.querySelector('[data-slot="composer-rich-input"]')
-    const root = composer?.closest('[data-slot="composer-root"]') || document.body
-    const startTime = performance.now()
-    const log = (kind, detail) => window.__submitLog.push({ t: performance.now() - startTime, kind, detail })
-    log('start', { composerText: composer?.innerText?.length || 0, hasDataAuiEmpty: composer?.hasAttribute('data-aui-composer-empty') })
-
-    // Observe composer text changes via mutation
-    const composerObs = new MutationObserver(muts => {
-      const text = composer?.innerText ?? ''
-      log('composerMut', { textLen: text.length, head: text.slice(0, 30) })
-    })
-    composer && composerObs.observe(composer, { childList: true, subtree: true, characterData: true })
-
-    // Observe the busy state via aria-label / data-state on send button
-    const sendBtn = document.querySelector('[aria-label*="end"]') || document.querySelector('[aria-label*="top"]')
-    if (sendBtn) {
-      const btnObs = new MutationObserver(() => {
-        log('sendBtnMut', { aria: sendBtn.getAttribute('aria-label'), disabled: sendBtn.disabled })
-      })
-      btnObs.observe(sendBtn, { attributes: true })
-      log('sendBtn', { aria: sendBtn.getAttribute('aria-label'), disabled: sendBtn.disabled })
-    }
-
-    // Observe thread message inserts
-    const threadRoot = document.querySelector('[data-slot="aui_thread-content"]')
-    const threadObs = threadRoot ? new MutationObserver(() => {
-      const c = threadRoot.querySelectorAll('[data-slot="aui_message"], [data-message-role]').length
-      log('threadMut', { count: c })
-    }) : null
-    threadObs && threadObs.observe(threadRoot, { childList: true, subtree: true })
-
-    window.__obs = { composerObs, threadObs }
-    return true
-  })()
-`)
-
-// Hit Enter
-console.log('pressing Enter…')
-await send('Input.dispatchKeyEvent', {
-  type: 'rawKeyDown', windowsVirtualKeyCode: 13, key: 'Enter', code: 'Enter', text: '\r', unmodifiedText: '\r'
-})
-await send('Input.dispatchKeyEvent', { type: 'keyUp', windowsVirtualKeyCode: 13, key: 'Enter', code: 'Enter' })
-
-// Wait, then dump
-await new Promise(r => setTimeout(r, 3500))
-
-const logs = await evalP('JSON.stringify(window.__submitLog)')
-console.log('\n=== EVENT LOG ===')
-for (const e of JSON.parse(logs || '[]')) {
-  console.log(`  ${String(e.t.toFixed(1)).padStart(7)}ms  ${e.kind.padEnd(15)} ${JSON.stringify(e.detail)}`)
-}
-
-// Cancel the pending agent turn
-await evalP(`
-  (() => {
-    for (const b of document.querySelectorAll('button')) {
-      if ((b.getAttribute('aria-label') || '').toLowerCase().includes('stop')) { b.click(); return 'stop-clicked' }
-    }
-    return 'no-stop'
-  })()
-`).then(r => console.log('cancel:', r))
-
-ws.close()
diff --git a/apps/desktop/scripts/dump-state.mjs b/apps/desktop/scripts/dump-state.mjs
deleted file mode 100644
index ff8c49c387..0000000000
--- a/apps/desktop/scripts/dump-state.mjs
+++ /dev/null
@@ -1,39 +0,0 @@
-// Just dump current state of the page
-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'))
-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 = (m, p = {}) =>
-  new Promise(r => {
-    const i = ++id
-    pending.set(i, r)
-    ws.send(JSON.stringify({ id: i, method: m, params: p }))
-  })
-
-async function evalP(expr) {
-  const r = await send('Runtime.evaluate', { expression: expr, returnByValue: true })
-  return r.result.result.value
-}
-
-const data = await evalP(`JSON.stringify({
-  url: location.href,
-  threadMessages: document.querySelectorAll('[data-slot="aui_message"]').length,
-  threadMessagesAlt: document.querySelectorAll('[data-message-role]').length,
-  threadGroups: document.querySelectorAll('[data-slot="aui_turn-pair"]').length,
-  composerText: document.querySelector('[data-slot="composer-rich-input"]')?.innerText?.length || 0,
-  visibleArticles: document.querySelectorAll('article').length,
-  sidebarSession: document.querySelector('[data-active="true"]')?.textContent?.slice(0,80) || null,
-  bodyLen: document.body.innerText.length,
-  bodyTail: document.body.innerText.slice(-400)
-})`)
-console.log(JSON.parse(data))
-ws.close()