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/components/dashboard-editor.tsx

@@ -11,7 +11,12 @@ import { GripVertical, Settings2, Trash2, RotateCcw, Plus, LayoutGrid } from "lu
 import type { DashboardLayout, WidgetPlacement, PresetId } from "@/lib/dashboard";
 import { computePresetLayoutFromMetas, widgetContentKey } from "@/lib/dashboard";
 import type { SerializedWidgetMeta } from "@/modules/_core/registry";
-import { saveDashboardLayout, resetDashboardLayout } from "@/app/d/actions";
+import {
+  saveDashboardLayout,
+  resetDashboardLayout,
+  syncEditorDraftLayout,
+  discardEditorDraftLayout,
+} from "@/app/d/actions";
 import { Button } from "@/components/ui/button";
 import { WidgetPicker } from "./widget-picker";
 
@@ -58,8 +63,18 @@ export function DashboardEditor({
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [dashboard.slug]);
 
+  function publishDraft(next: WidgetPlacement[]) {
+    startTransition(async () => {
+      await syncEditorDraftLayout(dashboard.id, { version: 1, widgets: next });
+      router.refresh();
+    });
+  }
+
   function handleCancel() {
-    router.push(`/d/${dashboard.slug}`);
+    startTransition(async () => {
+      await discardEditorDraftLayout(dashboard.id);
+      router.push(`/d/${dashboard.slug}`);
+    });
   }
 
   function handleSave() {
@@ -89,26 +104,32 @@ export function DashboardEditor({
   }
 
   function removeWidget(index: number) {
-    setPlacements((current) => current.filter((_, i) => i !== index));
+    const next = placements.filter((_, i) => i !== index);
+    setPlacements(next);
     setIsDirty(true);
+    publishDraft(next);
   }
 
   function addWidget(widgetId: string, config: unknown) {
     const meta = widgetMetas.find((m) => m.id === widgetId);
     if (!meta) return;
     const maxY = placements.reduce((m, p) => Math.max(m, p.y + p.h), 0);
-    setPlacements((current) => [
-      ...current,
+    const next = [
+      ...placements,
       { widgetId, config, x: 0, y: maxY, w: meta.defaultSize.w, h: meta.defaultSize.h },
-    ]);
+    ];
+    setPlacements(next);
     setIsDirty(true);
     setPickerOpen(false);
+    publishDraft(next);
   }
 
   function updateConfig(index: number, config: unknown) {
-    setPlacements((current) => current.map((p, i) => (i === index ? { ...p, config } : p)));
+    const next = placements.map((p, i) => (i === index ? { ...p, config } : p));
+    setPlacements(next);
     setIsDirty(true);
     setConfiguringIndex(null);
+    publishDraft(next);
   }
 
   function applyPreset(preset: PresetId) {
@@ -116,6 +137,7 @@ export function DashboardEditor({
     setPlacements(next.widgets);
     setIsDirty(true);
     setPresetMenuOpen(false);
+    publishDraft(next.widgets);
   }
 
   const gridItems: Layout = placements.map((p, i) => ({