feat: journal dashboard widgets, agent polish, and edit-mode live previews

Journal dashboard widgets and quick-add; rich-text quick-add dialogs.

Dashboard draft sync for live edit previews; assistant bubble + API tools.

Journal UX: stress slider, mood grid, query cap fix.

src/app/journal/page.tsx

@@ -1,9 +1,13 @@
-import { recordedDayKey } from "@/modules/journal/day-key";
+import { Suspense } from "react";
 import { JournalIndex } from "@/modules/journal/components/journal-index";
 import { listJournalEntries } from "@/modules/journal/server/queries";
 
 export default async function JournalPage() {
   const entries = await listJournalEntries();
-  const entryDays = [...new Set(entries.map((entry) => recordedDayKey(entry.recordedAt)))];
-  return <JournalIndex entries={entries} entryDays={entryDays} />;
+
+  return (
+    <Suspense>
+      <JournalIndex entries={entries} />
+    </Suspense>
+  );
 }