feat: enhance post-build script to conditionally copy database file

Author: tikazyq

packages/ui/next.config.ts

@@ -2,6 +2,11 @@ import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
   output: 'standalone',
+  // Exclude SQLite database from file tracing to avoid ENOENT errors
+  // The database is created at runtime or during seed
+  outputFileTracingExcludes: {
+    '*': ['**/*.db', '**/leanspec.db'],
+  },
 };
 
 export default nextConfig;

packages/ui/scripts/post-build.mjs

@@ -1,5 +1,5 @@
 #!/usr/bin/env node
-import { cp } from 'node:fs/promises';
+import { cp, access, constants } from 'node:fs/promises';
 import { join, dirname } from 'node:path';
 import { fileURLToPath } from 'node:url';
 
@@ -14,12 +14,25 @@ const staticDest = join(pkgDir, '.next', 'standalone', 'packages', 'ui', '.next'
 const publicSrc = join(pkgDir, 'public');
 const publicDest = join(pkgDir, '.next', 'standalone', 'packages', 'ui', 'public');
 
+// Copy database file to standalone build
+const dbSrc = join(pkgDir, 'leanspec.db');
+const dbDest = join(pkgDir, '.next', 'standalone', 'packages', 'ui', 'leanspec.db');
+
 try {
   await cp(staticSrc, staticDest, { recursive: true, force: true });
   console.log('✓ Copied .next/static to standalone build');
 
   await cp(publicSrc, publicDest, { recursive: true, force: true });
   console.log('✓ Copied public assets to standalone build');
+  
+  // Copy database if it exists (created by db:seed)
+  try {
+    await access(dbSrc, constants.F_OK);
+    await cp(dbSrc, dbDest, { force: true });
+    console.log('✓ Copied leanspec.db to standalone build');
+  } catch {
+    console.log('⚠ No leanspec.db found (skipping database copy)');
+  }
 } catch (error) {
   console.error('Failed to copy assets:', error);
   process.exit(1);