chore: 初始提交 - 移除所有硬编码凭据，统一从环境变量读取

public/tools/debug/debug.js

@@ -0,0 +1,30 @@
+const out = document.getElementById('debug-output')
+const btnCopy = document.getElementById('btn-copy')
+const btnRefresh = document.getElementById('btn-refresh')
+const btnClear = document.getElementById('btn-clear')
+
+const render = lines => {
+  out.textContent = lines.join('\n')
+  out.scrollTop = out.scrollHeight
+}
+
+const load = async () => {
+  const res = await fetch('/api/debug/logs?limit=5000')
+  const data = await res.json()
+  if (data.ok) render(data.lines)
+}
+
+btnCopy.addEventListener('click', async () => {
+  const text = out.textContent || ''
+  try { await navigator.clipboard.writeText(text) } catch {}
+})
+
+btnRefresh.addEventListener('click', load)
+
+btnClear.addEventListener('click', async () => {
+  await fetch('/api/debug/clear', { method: 'POST' })
+  await load()
+})
+
+setInterval(load, 5000)
+load()