Fix deadline enforcement: check has_deadline, use block timestamp

src/app/api/index/plot/route.ts

@@ -1,6 +1,6 @@
 import { NextResponse } from "next/server";
 import { type Hex, decodeEventLog, encodeEventTopics } from "viem";
 import { publicClient, getReceiptWithRetry } from "../../../../../lib/rpc";
 import { createServerClient } from "../../../../../lib/supabase";
 import { validateRecentTx } from "../../../../../lib/index-auth";
 import {
@@ -117,17 +117,20 @@
   const DEADLINE_MS = 168 * 60 * 60 * 1000; // 7 days — matches DEADLINE_HOURS in DeadlineCountdown
   const { data: storylineRow } = await supabase
     .from("storylines")
-    .select("last_plot_time, sunset")
+    .select("last_plot_time, sunset, has_deadline")
     .eq("storyline_id", Number(storylineId))
     .single();
 
   if (storylineRow) {
     if (storylineRow.sunset) {
       return error("Storyline has sunset — no new plots allowed", 400);
     }
-    if (storylineRow.last_plot_time) {
+    if (storylineRow.has_deadline && storylineRow.last_plot_time) {
       const deadline = new Date(storylineRow.last_plot_time).getTime() + DEADLINE_MS;
-      if (Date.now() > deadline) {
+      // Use block timestamp (when tx was mined) instead of Date.now() to avoid
+      // rejecting plots that the contract already accepted near the deadline edge
+      const blockTimeMs = Number(blockTimestamp) * 1000;
+      if (blockTimeMs > deadline) {
         return error("Storyline deadline expired — no new plots allowed", 400);
       }
     }

src/app/create/page.tsx

@@ -65,6 +65,7 @@ async function fetchWriterStorylines(address: string): Promise<Storyline[]> {
 
 function isStorylineExpired(s: Storyline): boolean {
   if (s.sunset) return true;
+  if (!s.has_deadline) return false;
   if (!s.last_plot_time) return false;
   return Date.now() > new Date(s.last_plot_time).getTime() + DEADLINE_MS;
 }

src/app/story/[storylineId]/page.tsx

@@ -372,7 +372,7 @@ function StoryHeader({
           )}
         </div>
       </div>
-      <AddPlotButton storylineId={storyline.storyline_id} writerAddress={storyline.writer_address} lastPlotTime={storyline.last_plot_time} sunset={storyline.sunset} />
+      <AddPlotButton storylineId={storyline.storyline_id} writerAddress={storyline.writer_address} lastPlotTime={storyline.last_plot_time} sunset={storyline.sunset} hasDeadline={storyline.has_deadline} />
     </header>
   );
 }

src/components/AddPlotButton.tsx

@@ -15,25 +15,27 @@ export function AddPlotButton({
   writerAddress,
   lastPlotTime,
   sunset,
+  hasDeadline,
 }: {
   storylineId: number;
   writerAddress: string;
   lastPlotTime?: string | null;
   sunset?: boolean;
+  hasDeadline?: boolean;
 }) {
   const { address } = useAccount();
   if (!address || address.toLowerCase() !== writerAddress.toLowerCase())
     return null;
 
-  const expired = sunset || (lastPlotTime ? isDeadlineExpired(lastPlotTime) : false);
+  const expired = sunset || (hasDeadline !== false && lastPlotTime ? isDeadlineExpired(lastPlotTime) : false);
 
   if (expired) {
     return (
       <div
         className="border-border text-muted mt-3 block w-full rounded border py-2 text-center text-xs font-medium opacity-50"
-        title="The 7-day deadline has expired"
+        title={sunset ? "This story has sunset" : "The 7-day deadline has expired"}
       >
-        Deadline expired
+        {sunset ? "Story complete" : "Deadline expired"}
       </div>
     );
   }