fix: recognize past-tense vomiting in chat safety

scripts/record_release_demo.mjs

@@ -122,7 +122,7 @@ await page.locator('#chat-message').fill('What pattern do you see?');
 await tap('#send-chat', 500);
 await page.getByText(/mostly Type 4/i).waitFor();
 await caption('Hermes keeps credentials, tools, and session continuity server-side. Photos stay out of chat.', 1600);
-await page.locator('#chat-message').fill('I have rectal bleeding');
+await page.locator('#chat-message').fill('I threw up');
 await tap('#send-chat', 450);
 await page.getByText(/Pause and get medical help/i).waitFor();
 if (hermesCalls !== 1) throw new Error('Urgent chat must be intercepted before Hermes');