From 72ec925357d83287fe29322a84a5bc171b666579 Mon Sep 17 00:00:00 2001
From: "Satsuki Akiba (aider)" <anosatsuk124@gmail.com>
Date: Wed, 4 Jun 2025 12:02:03 +0900
Subject: [PATCH] fix: generate fallback ID for feed items

---
 scripts/fetch_and_generate.ts | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/scripts/fetch_and_generate.ts b/scripts/fetch_and_generate.ts
index 7b60825..9d22f1b 100644
--- a/scripts/fetch_and_generate.ts
+++ b/scripts/fetch_and_generate.ts
@@ -48,9 +48,16 @@ async function main() {
         pub.getMonth() === yesterday.getMonth() &&
         pub.getDate() === yesterday.getDate()
       ) {
+        // Use item.id if available, otherwise generate fallback ID from title or link
         const itemId = item["id"] as string | undefined;
-        if (!itemId || typeof itemId !== 'string' || itemId.trim() === '') {
-          console.warn(`無効なフィードアイテムIDを検出: ${itemId}`, {
+        const fallbackId = item.link || item.title || JSON.stringify(item);
+        const finalItemId = itemId && typeof itemId === 'string' && itemId.trim() !== '' 
+          ? itemId 
+          : `fallback-${Buffer.from(fallbackId).toString('base64')}`;
+        
+        // Skip if even the fallback ID is missing (should be rare)
+        if (!finalItemId || finalItemId.trim() === '') {
+          console.warn(`フィードアイテムのIDを生成できませんでした`, {
             feedUrl: url,
             itemTitle: item.title,
             itemLink: item.link