Add cross-platform dependency installer for Windows compatibility

Co-authored-by: thedotmack <683968+thedotmack@users.noreply.github.com>

scripts/build-hooks.js

@@ -30,6 +30,11 @@ const SEARCH_SERVER = {
   source: 'src/servers/search-server.ts'
 };
 
+const INSTALLER = {
+  name: 'ensure-dependencies',
+  source: 'src/bin/ensure-dependencies.ts'
+};
+
 async function buildHooks() {
   console.log('🔨 Building claude-mem hooks, worker service, and search server...\n');
 
@@ -128,11 +133,52 @@ async function buildHooks() {
     const searchStats = fs.statSync(`${hooksDir}/${SEARCH_SERVER.name}.js`);
     console.log(`✓ search-server built (${(searchStats.size / 1024).toFixed(2)} KB)`);
 
+    // Build dependency installer
+    console.log(`\n🔧 Building dependency installer...`);
+    await build({
+      entryPoints: [INSTALLER.source],
+      bundle: true,
+      platform: 'node',
+      target: 'node18',
+      format: 'esm',
+      outfile: `${hooksDir}/${INSTALLER.name}.js`,
+      minify: false, // Keep readable for debugging
+      banner: {
+        js: '#!/usr/bin/env node'
+      }
+    });
+
+    // Make installer executable
+    fs.chmodSync(`${hooksDir}/${INSTALLER.name}.js`, 0o755);
+    const installerStats = fs.statSync(`${hooksDir}/${INSTALLER.name}.js`);
+    console.log(`✓ installer built (${(installerStats.size / 1024).toFixed(2)} KB)`);
+
+    // Create package.json for plugin/scripts
+    console.log('\n📦 Creating package.json...');
+    const scriptsPackageJson = {
+      name: 'claude-mem-scripts',
+      version: version,
+      description: 'Runtime dependencies for claude-mem plugin hooks',
+      private: true,
+      type: 'module',
+      dependencies: {
+        'better-sqlite3': '^11.0.0'
+      }
+    };
+    
+    fs.writeFileSync(
+      `${hooksDir}/package.json`,
+      JSON.stringify(scriptsPackageJson, null, 2)
+    );
+    console.log('✓ package.json created');
+
     console.log('\n✅ All hooks, worker service, and search server built successfully!');
     console.log(`   Output: ${hooksDir}/`);
     console.log(`   - Hooks: *-hook.js`);
     console.log(`   - Worker: worker-service.cjs`);
     console.log(`   - Search: search-server.js`);
+    console.log(`   - Installer: ensure-dependencies.js`);
+    console.log(`   - Dependencies: package.json`);
     console.log('\n💡 Note: Dependencies will be auto-installed on first hook execution');
 
   } catch (error) {