{contextError}
}\n allowFiles\n accept=\".md,.py,image/*\" // dropped files obey this too\n maxFiles={8}\n maxFileSize={20 * 1024 * 1024}\n onSend={async (text, files) => {\n const ok = await prepare(text)\n if (!ok) return false // keep the draft\n chat.sendMessage(text, files ? { files } : undefined)\n }}\n/>\n```\n\nA key handler in `textareaProps` runs before Enter-to-send; `preventDefault()`\nthere claims the key. Files can be dropped anywhere on the dock; the first\nreason one was refused shows under the attachment chips (`admitFiles` is the\nsame check, exported).\n\n### Links\n\nEvery link the components render — in an answer, on a `[1]` chip, on a source\ncard — is a plain ``. Inside an app with a router, hand the\nprovider a `linkComponent` and in-app URLs stay client-side:\n\n```tsx\n