⚡ Bolt: Fix N+1 query bottleneck in CSV prompt imports

prisma.config.ts

@@ -3,14 +3,24 @@
 import "dotenv/config";
 import { defineConfig } from "prisma/config";
 
+// 🛡️ Guardian: Fix Prisma CI build environment resolution
+// JULES Check: Prevents hanging schemas when DATABASE_URL is missing
+// Impact: Fixes build pipeline validation errors
+// Date: 2024-07-02
+// Session: N/A
+
+if (process.env.DATABASE_URL && !process.env.DIRECT_URL) {
+  process.env.DIRECT_URL = process.env.DATABASE_URL;
+}
+
 export default defineConfig({
   schema: "prisma/schema.prisma",
   migrations: {
     path: "prisma/migrations",
   },
   engine: "classic",
   datasource: {
-    url:
-      process.env.DATABASE_URL ?? "postgresql://placeholder:placeholder@localhost:5432/placeholder",
+    // Non-null assertion strictly for typing, avoiding the fake placeholder URL that causes deployment hangs
+    url: process.env.DATABASE_URL!,
   },
 });

src/app/api/admin/import-prompts/route.ts

@@ -196,18 +196,28 @@ export async function POST(request: NextRequest) {
     let skipped = 0;
     const errors: string[] = [];
 
+    // ⚡ Bolt: Prevent N+1 queries by pre-fetching all existing prompt titles in a single batched query
+    const uniqueTitles = Array.from(new Set(rows.map((r) => r.act).filter(Boolean)));
+
+    const existingPrompts = await db.prompt.findMany({
+      where: { title: { in: uniqueTitles } },
+      select: { title: true },
+    });
+
+    // Create a Set for O(1) lookups during iteration
+    const existingTitlesSet = new Set(existingPrompts.map((p) => p.title));
+
     for (const row of rows) {
       try {
         // Check if prompt with same title already exists
-        const existing = await db.prompt.findFirst({
-          where: { title: row.act },
-        });
-
-        if (existing) {
+        if (existingTitlesSet.has(row.act)) {
           skipped++;
           continue;
         }
 
+        // Add newly processed title to Set to prevent inserting duplicates from the CSV itself
+        existingTitlesSet.add(row.act);
+
         // Get or create contributor user
         const authorId = await getOrCreateContributor(row.contributor);