fix: anchor bin/ to root in .gitignore

"bin/" was matching npm/bin/ directory, preventing the npm distribution
script from being tracked. Changed to "/bin/" to only match the root
binary output directory.

Author: Patel230

.gitignore

@@ -1,5 +1,5 @@
 # Binaries
-bin/
+/bin/
 *.exe
 *.exe~
 *.dll

npm/bin/lark-daemon.js

@@ -0,0 +1,56 @@
+#!/usr/bin/env node
+
+const { spawn } = require("child_process");
+const path = require("path");
+const fs = require("fs");
+
+const PLATFORM_MAP = {
+  "linux-x64": "lark-daemon-linux-amd64",
+  "linux-arm64": "lark-daemon-linux-arm64",
+  "darwin-x64": "lark-daemon-darwin-amd64",
+  "darwin-arm64": "lark-daemon-darwin-arm64",
+  "win32-x64": "lark-daemon-windows-amd64.exe",
+};
+
+function getBinaryName() {
+  const key = `${process.platform}-${process.arch}`;
+  const name = PLATFORM_MAP[key];
+  if (!name) {
+    console.error(`Unsupported platform: ${key}`);
+    console.error(`Supported: ${Object.keys(PLATFORM_MAP).join(", ")}`);
+    process.exit(1);
+  }
+  return name;
+}
+
+function getBinaryPath() {
+  const name = getBinaryName();
+  return path.join(__dirname, name);
+}
+
+const binaryPath = getBinaryPath();
+
+if (!fs.existsSync(binaryPath)) {
+  console.error("lark-daemon binary not found.");
+  console.error("Run `npm install` in this package directory to download it,");
+  console.error("or download manually from:");
+  console.error("  https://github.com/GrayCodeAI/lark-daemon/releases");
+  process.exit(1);
+}
+
+const args = process.argv.slice(2);
+const child = spawn(binaryPath, args, { stdio: "inherit" });
+
+child.on("exit", (code) => {
+  process.exit(code ?? 0);
+});
+
+child.on("error", (err) => {
+  if (err.code === "EACCES") {
+    console.error(`Permission denied: ${binaryPath}`);
+    console.error(`Run: chmod +x ${binaryPath}`);
+  } else {
+    console.error(err);
+  }
+  process.exit(1);
+});