Current state

scripts/precheck.mjs

@@ -0,0 +1,38 @@
+// ── Port Precheck ──────────────────────────────────────────────────
+// Kills any existing processes on ports 3001, 3006, 3007, 3008.
+// These are the AI server, Next.js frontend, Signaling server, and
+// Python scraper respectively.
+// Runs before anything else starts to avoid EADDRINUSE errors.
+
+import { execSync } from "node:child_process"
+import { platform } from "node:os"
+
+const PORTS = [3001, 3006, 3007, 3008]
+
+if (platform() === "win32") {
+  // Windows: use netstat + findstr to find listening PIDs, then taskkill
+  for (const port of PORTS) {
+    try {
+      const out = execSync(`netstat -ano | findstr "LISTENING" | findstr ":${port} "`, { encoding: "utf8", timeout: 5000 })
+      const lines = out.trim().split("\n").filter(Boolean)
+      for (const line of lines) {
+        const parts = line.trim().split(/\s+/)
+        const pid = parts[parts.length - 1]
+        if (pid) {
+          try { execSync(`taskkill /F /PID ${pid}`, { stdio: "ignore", timeout: 3000 }); console.log(`Freed port ${port} (PID ${pid})`) } catch {}
+        }
+      }
+    } catch {}
+  }
+} else {
+  // Linux/Mac: use lsof -ti to find PIDs, then kill -9
+  for (const port of PORTS) {
+    try {
+      const pid = execSync(`lsof -ti:${port} 2>/dev/null`, { encoding: "utf8", timeout: 5000 }).trim()
+      if (pid) {
+        execSync(`kill -9 ${pid}`, { stdio: "ignore", timeout: 3000 })
+        console.log(`Freed port ${port} (PID ${pid})`)
+      }
+    } catch {}
+  }
+}