fix(kon): hotkey event mismatch — layout now dispatches kon:toggle-recording

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/routes/+layout.svelte

@@ -58,7 +58,7 @@
       await mod.register(hotkey, () => {
         if (page.current !== "dictation") page.current = "dictation";
         requestAnimationFrame(() => {
-          window.dispatchEvent(new CustomEvent("ramble:toggle-recording"));
+          window.dispatchEvent(new CustomEvent("kon:toggle-recording"));
         });
       });
       registeredHotkey = hotkey;