feat: simplify Timmy and add secure Hermes chat

index.html

@@ -4,7 +4,7 @@
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width,initial-scale=1,viewport-fit=cover">
   <meta name="theme-color" content="#f7f3ea">
-  <meta name="description" content="A private, playful bowel diary that stays on your device.">
+  <meta name="description" content="A private, photo-first bowel journal with an optional server-side Hermes conversation.">
   <title>Timmy the Talking Turd</title>
   <link rel="manifest" href="/manifest.webmanifest">
   <link rel="icon" href="/assets/timmy.svg" type="image/svg+xml">