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/globals.css

@@ -818,6 +818,86 @@
   bottom: 18px;
 }
 
+/* ── Assistant chat bubble (opt-in per user) ─────────────────────── */
+.assistant-bubble {
+  position: fixed;
+  right: 18px;
+  bottom: 24px;
+  z-index: 70;
+  display: flex;
+  flex-direction: column;
+  align-items: flex-end;
+  gap: 12px;
+  pointer-events: none;
+}
+:where(html[data-nav="bottom"]) .assistant-bubble {
+  bottom: calc(62px + max(env(safe-area-inset-bottom, 0px), 8px) + 12px);
+}
+:where(html[data-nav="fab"]) .assistant-bubble {
+  bottom: calc(18px + 52px + 12px);
+}
+.assistant-bubble > * {
+  pointer-events: auto;
+}
+.assistant-bubble-panel {
+  display: flex;
+  flex-direction: column;
+  width: min(360px, calc(100vw - 24px));
+  height: min(480px, calc(100vh - 140px));
+  border-radius: var(--r-md);
+  border: 0.5px solid var(--hair);
+  background: color-mix(in oklab, var(--card) 94%, transparent);
+  backdrop-filter: blur(16px) saturate(160%);
+  box-shadow:
+    0 12px 40px rgba(31, 27, 22, 0.16),
+    0 2px 8px rgba(31, 27, 22, 0.08);
+  padding: 12px;
+  overflow: hidden;
+}
+.assistant-bubble-header {
+  display: flex;
+  align-items: flex-start;
+  justify-content: space-between;
+  gap: 12px;
+  margin-bottom: 8px;
+  flex-shrink: 0;
+}
+.assistant-bubble-close {
+  appearance: none;
+  border: 0;
+  background: transparent;
+  color: var(--ink-mute);
+  border-radius: 8px;
+  width: 32px;
+  height: 32px;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  cursor: pointer;
+}
+.assistant-bubble-close:hover {
+  background: var(--shade);
+  color: var(--ink);
+}
+.assistant-bubble-trigger {
+  width: 52px;
+  height: 52px;
+  border-radius: 999px;
+  border: 0;
+  background: var(--ink);
+  color: var(--paper);
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  cursor: pointer;
+  box-shadow:
+    0 4px 14px rgba(31, 27, 22, 0.22),
+    0 1px 2px rgba(31, 27, 22, 0.18);
+}
+.assistant-bubble-trigger:hover {
+  background: var(--ink-2);
+}
+
 /* ── Buttons (used inside .topbar etc; <Button> in shadcn comes from
        button.tsx and uses these tokens via the theme bridge) ───── */
 .btn {
@@ -1430,6 +1510,65 @@ select {
   animation: emojiFloat 1.8s ease-out both;
 }
 
+@keyframes journal-paper-out {
+  to {
+    opacity: 0;
+    transform: translateX(-28px) rotate(-1.2deg);
+  }
+}
+
+@keyframes journal-paper-in {
+  from {
+    opacity: 0;
+    transform: translateX(32px) rotate(0.8deg);
+  }
+  to {
+    opacity: 1;
+    transform: translateX(0) rotate(0deg);
+  }
+}
+
+.journal-entries-stack {
+  display: flex;
+  flex-direction: column;
+  gap: 0.75rem;
+  min-height: 0;
+}
+
+.journal-entries-stack[data-phase="exit"] .journal-entry-row {
+  animation: journal-paper-out 0.2s ease-in forwards;
+}
+
+.journal-entries-stack[data-phase="enter"] .journal-entry-row {
+  opacity: 0;
+  animation: journal-paper-in 0.26s ease-out forwards;
+}
+
+.journal-entries-stack[data-phase="enter"] .journal-entry-row:nth-child(1) {
+  animation-delay: 0ms;
+}
+.journal-entries-stack[data-phase="enter"] .journal-entry-row:nth-child(2) {
+  animation-delay: 45ms;
+}
+.journal-entries-stack[data-phase="enter"] .journal-entry-row:nth-child(3) {
+  animation-delay: 90ms;
+}
+.journal-entries-stack[data-phase="enter"] .journal-entry-row:nth-child(4) {
+  animation-delay: 135ms;
+}
+.journal-entries-stack[data-phase="enter"] .journal-entry-row:nth-child(5) {
+  animation-delay: 180ms;
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .journal-entries-stack[data-phase="exit"] .journal-entry-row,
+  .journal-entries-stack[data-phase="enter"] .journal-entry-row {
+    animation: none;
+    opacity: 1;
+    transform: none;
+  }
+}
+
 /* ── Calendar min-height CSS variable ───────────────────────────── */
 /* Used by calendar-shell so the grid fills the viewport correctly  */
 /* on both desktop (topbar only) and mobile (topbar + bottom nav).  */