diff --git a/package.json b/package.json
index 8e0cb8f..023d57a 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "testemonials"
   ],
   "scripts": {
-    "postinstall": "node dist/track-installation.js && node dist/npm-scripts/verify-ripgrep.js || true",
+    "postinstall": "node dist/track-installation.js && node dist/npm-scripts/verify-ripgrep.js || node -e \"process.exit(0)\"",
     "open-chat": "open -n /Applications/Claude.app",
     "sync-version": "node scripts/sync-version.js",
     "bump": "node scripts/sync-version.js --bump",
@@ -32,7 +32,7 @@
     "watch": "tsc --watch",
     "start": "node dist/index.js",
     "start:debug": "node --inspect-brk=9229 dist/index.js",
-    "setup": "npm install && npm run build && node setup-claude-server.js",
+    "setup": "npm install --include=dev && npm run build && node setup-claude-server.js",
     "setup:debug": "npm install && npm run build && node setup-claude-server.js --debug",
     "remove": "npm install && npm run build && node uninstall-claude-server.js",
     "prepare": "npm run build",
diff --git a/src/utils/ripgrep-resolver.ts b/src/utils/ripgrep-resolver.ts
index 3ae8e99..e393204 100644
--- a/src/utils/ripgrep-resolver.ts
+++ b/src/utils/ripgrep-resolver.ts
@@ -33,10 +33,11 @@ export async function getRipgrepPath(): Promise<string> {
     // @vscode/ripgrep import or binary resolution failed, continue to fallbacks
   }
 
-  // Strategy 2: Try system ripgrep using 'which' command
+  // Strategy 2: Try system ripgrep using 'which' (Unix) or 'where' (Windows)
   try {
     const systemRg = process.platform === 'win32' ? 'rg.exe' : 'rg';
-    const result = execSync(`which ${systemRg}`, { encoding: 'utf-8' }).trim();
+    const whichCmd = process.platform === 'win32' ? 'where' : 'which';
+    const result = execSync(`${whichCmd} ${systemRg}`, { encoding: 'utf-8' }).trim().split(/\r?\n/)[0];
     if (result && existsSync(result)) {
       cachedRgPath = result;
       return result;