[WIP] Fix deploy to Vercel API error due to missing module

apps/studio/.npmrc

@@ -0,0 +1,3 @@
+# Vercel deployment configuration
+# Use hoisted node-linker to avoid symlinks that break Vercel serverless functions
+node-linker=hoisted

apps/studio/package.json

@@ -23,6 +23,7 @@
     "@ai-sdk/openai": "^3.0.52",
     "@ai-sdk/react": "^3.0.160",
     "@hono/node-server": "^1.19.14",
+    "@libsql/client": "^0.17.2",
     "@objectstack/client": "workspace:*",
     "@objectstack/client-react": "workspace:*",
     "@objectstack/driver-memory": "workspace:*",
@@ -57,6 +58,7 @@
     "@radix-ui/react-toast": "^1.2.15",
     "@radix-ui/react-tooltip": "^1.2.8",
     "ai": "^6.0.158",
+    "better-sqlite3": "^12.9.0",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "hono": "^4.12.12",

apps/studio/scripts/build-vercel.sh

@@ -28,41 +28,15 @@ cd apps/studio
 # 2. Bundle API serverless function
 node scripts/bundle-api.mjs
 
-# 3. Copy native/external modules into local node_modules for Vercel packaging.
+# 3. External dependencies are now handled by adding them as direct dependencies
+#    in apps/studio/package.json. Vercel installs them automatically during deployment.
 #
-#    Unlike hotcrm (which uses shamefully-hoist=true), this monorepo uses pnpm's
-#    default strict node_modules structure. Transitive native dependencies like
-#    better-sqlite3 only exist in the monorepo root's node_modules/.pnpm/ virtual
-#    store — they're NOT symlinked into apps/studio/node_modules/.
+#    Packages marked as external in bundle-api.mjs (@libsql/client, better-sqlite3,
+#    @ai-sdk/*) are listed as direct dependencies in package.json, so Vercel includes
+#    them in the serverless function's deployment package via normal pnpm install.
 #
-#    The vercel.json includeFiles pattern references node_modules/ relative to
-#    apps/studio/, so we must copy the actual module files here for Vercel to
-#    include them in the serverless function's deployment package.
-#
-#    Note: @libsql/client is now bundled by esbuild, so we no longer copy it.
-echo "[build-vercel] Copying external native modules to local node_modules..."
-for mod in better-sqlite3; do
-  src="../../node_modules/$mod"
-  if [ -e "$src" ]; then
-    dest="node_modules/$mod"
-    mkdir -p "$(dirname "$dest")"
-    cp -rL "$src" "$dest"
-    echo "[build-vercel]   ✓ Copied $mod"
-  else
-    echo "[build-vercel]   ⚠ $mod not found at $src (skipped)"
-  fi
-done
-# Copy the @ai-sdk scope (dynamically loaded provider packages)
-if [ -d "../../node_modules/@ai-sdk" ]; then
-  mkdir -p "node_modules/@ai-sdk"
-  for pkg in ../../node_modules/@ai-sdk/*/; do
-    pkgname="$(basename "$pkg")"
-    cp -rL "$pkg" "node_modules/@ai-sdk/$pkgname"
-  done
-  echo "[build-vercel]   ✓ Copied @ai-sdk/*"
-else
-  echo "[build-vercel]   ⚠ @ai-sdk not found (skipped)"
-fi
+#    This avoids the cp -rL infinite recursion issue that occurs when copying packages
+#    that are already direct dependencies with circular symlinks.
 
 # 4. Copy Vite build output to public/ for static file serving
 rm -rf public

apps/studio/scripts/bundle-api.mjs

@@ -16,9 +16,9 @@ import { build } from 'esbuild';
 
 // Packages that cannot be bundled (native bindings / optional drivers)
 const EXTERNAL = [
-  // @libsql/client is now bundled (pure JS, no native bindings)
-  // Bundling it solves Vercel deployment issues where external packages
-  // aren't properly included in the serverless function despite includeFiles config
+  // @libsql/client has platform-specific native bindings (@libsql/linux-x64-gnu, etc.)
+  // and must be kept external, then copied to node_modules and included via vercel.json
+  '@libsql/client',
   'better-sqlite3',
   // AI SDK provider packages — dynamically imported based on env vars
   '@ai-sdk/anthropic',

apps/studio/vercel.json

@@ -13,7 +13,7 @@
     "api/**/*.js": {
       "memory": 1024,
       "maxDuration": 300,
-      "includeFiles": "node_modules/{better-sqlite3,@ai-sdk}/**"
+      "includeFiles": "node_modules/{better-sqlite3,@libsql,@ai-sdk}/**"
     }
   },
   "headers": [