feat(admin): manual narrative generation

src/app/actions/narrative.ts

@@ -0,0 +1,31 @@
+"use server";
+
+import { revalidatePath } from "next/cache";
+
+import { requireSession } from "@/lib/auth/session";
+import { narrateProject } from "@/lib/ai/narrate";
+
+/** See the security note at the top of src/app/actions/cards.ts. */
+export async function narrateProjectAction(input: {
+  projectId: string;
+}): Promise<{ written: number; message: string }> {
+  const session = await requireSession();
+  if (session.role !== "owner") throw new Error("Not found");
+
+  const result = await narrateProject(input.projectId);
+  revalidatePath(`/admin/projects/${input.projectId}`);
+
+  if (result.skipped) {
+    return { written: 0, message: result.error ?? "No AI provider is configured." };
+  }
+  if (result.considered === 0) {
+    return { written: 0, message: "Every narrative is up to date." };
+  }
+
+  return {
+    written: result.written,
+    message: `${result.written} of ${result.considered} narratives written${
+      result.error ? ` · ${result.error}` : ""
+    }`,
+  };
+}

src/components/admin/summary-panel.tsx

@@ -1,12 +1,13 @@
 "use client";
 
 import { useState, useTransition } from "react";
-import { Sparkles, RotateCcw } from "lucide-react";
+import { Sparkles, RotateCcw, BookText } from "lucide-react";
 
 import {
   retryFailedSummariesAction,
   summariseProjectAction,
 } from "@/app/actions/summarise";
+import { narrateProjectAction } from "@/app/actions/narrative";
 
 export function SummaryPanel({
   projectId,
@@ -83,6 +84,22 @@ export function SummaryPanel({
           </button>
         )}
 
+        <button
+          type="button"
+          disabled={pending}
+          onClick={() =>
+            startTransition(async () => {
+              setMessage("Writing narratives…");
+              const result = await narrateProjectAction({ projectId });
+              setMessage(result.message);
+            })
+          }
+          className="inline-flex items-center gap-1.5 rounded-lg border border-border-subtle px-2.5 py-1.5 text-xs text-text-secondary hover:bg-surface-raised disabled:opacity-50"
+        >
+          <BookText size={13} strokeWidth={2} />
+          Write card narratives
+        </button>
+
         {message && <span className="text-xs text-text-muted">{message}</span>}
       </div>
     </section>