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/api/v1/garden/plants/[id]/care-logs/route.ts

@@ -0,0 +1,37 @@
+import { z } from "zod";
+import { apiJson, withApiHandler } from "@/lib/api-handler";
+import { logCareForScope } from "@/modules/garden/server/actions";
+import { careLogInput } from "@/modules/garden/server/schemas";
+import { getCareLogsForScope } from "@/modules/garden/server/queries";
+
+export async function GET(request: Request, { params }: { params: Promise<{ id: string }> }) {
+  const { id } = await params;
+  return withApiHandler(request, async (scope, req) => {
+    z.string().uuid().parse(id);
+    const url = new URL(req.url);
+    const limitRaw = url.searchParams.get("limit");
+    const limit = limitRaw ? z.coerce.number().int().min(1).max(100).parse(limitRaw) : 20;
+    const logs = await getCareLogsForScope(scope.householdId, id, limit);
+    return apiJson(logs);
+  });
+}
+
+export async function POST(request: Request, { params }: { params: Promise<{ id: string }> }) {
+  const { id } = await params;
+  return withApiHandler(request, async (scope, req) => {
+    z.string().uuid().parse(id);
+    const body: unknown = await req.json();
+    const parsed = careLogInput.parse({ ...(body as object), plantId: id });
+    const log = await logCareForScope(scope, parsed);
+    return apiJson(
+      {
+        id: log.id,
+        careType: log.careType,
+        notes: log.notes,
+        performedAt: log.performedAt.toISOString(),
+        performedBy: log.performedBy,
+      },
+      201,
+    );
+  });
+}