add cli

src/utils/processCheck.ts

@@ -0,0 +1,60 @@
+import { existsSync, readFileSync, writeFileSync } from 'fs';
+import { PID_FILE } from '../constants';
+
+
+export function isServiceRunning(): boolean {
+    if (!existsSync(PID_FILE)) {
+        return false;
+    }
+
+    try {
+        const pid = parseInt(readFileSync(PID_FILE, 'utf-8'));
+        process.kill(pid, 0);
+        return true;
+    } catch (e) {
+        // Process not running, clean up pid file
+        cleanupPidFile();
+        return false;
+    }
+}
+
+export function savePid(pid: number) {
+    writeFileSync(PID_FILE, pid.toString());
+}
+
+export function cleanupPidFile() {
+    if (existsSync(PID_FILE)) {
+        try {
+            const fs = require('fs');
+            fs.unlinkSync(PID_FILE);
+        } catch (e) {
+            // Ignore cleanup errors
+        }
+    }
+}
+
+export function getServicePid(): number | null {
+    if (!existsSync(PID_FILE)) {
+        return null;
+    }
+    
+    try {
+        const pid = parseInt(readFileSync(PID_FILE, 'utf-8'));
+        return isNaN(pid) ? null : pid;
+    } catch (e) {
+        return null;
+    }
+}
+
+export function getServiceInfo() {
+    const pid = getServicePid();
+    const running = isServiceRunning();
+    
+    return {
+        running,
+        pid,
+        port: 3456,
+        endpoint: 'http://127.0.0.1:3456',
+        pidFile: PID_FILE
+    };
+}