Bind web dev server to port 3000

Simplify the web dev launcher to always use port 3000 and fix the dev:web script cwd invocation.

apps/web/scripts/dev.ts

@@ -1,58 +1,5 @@
-type PortCheck = {
-  port: number;
-  available: boolean;
-};
-
-const DEFAULT_PORTS = [3001, 3002, 3003, 3004, 3005];
-
-const isAvailable = (port: number): PortCheck => {
-  try {
-    const probe = Bun.serve({
-      port,
-      fetch: () => new Response("ok")
-    });
-    probe.stop();
-    return { port, available: true };
-  } catch {
-    return { port, available: false };
-  }
-};
-
-const parsePort = (value: string | undefined): number | null => {
-  if (!value) {
-    return null;
-  }
-
-  const parsed = Number.parseInt(value, 10);
-  if (!Number.isFinite(parsed) || parsed <= 0) {
-    return null;
-  }
-
-  return parsed;
-};
-
-const selectPort = (): number => {
-  const requested = parsePort(Bun.env.PORT);
-
-  if (requested !== null) {
-    const check = isAvailable(requested);
-    if (!check.available) {
-      throw new Error(`Port ${requested} is already in use. Set PORT to another value.`);
-    }
-    return requested;
-  }
-
-  for (const port of DEFAULT_PORTS) {
-    if (isAvailable(port).available) {
-      return port;
-    }
-  }
-
-  throw new Error("No available port found for Next dev server.");
-};
-
 const run = async () => {
-  const port = selectPort();
+  const port = 3000;
   console.log(`[web] starting Next.js dev server on port ${port}`);
 
   const path = Bun.env.PATH ?? "";

package.json

@@ -11,7 +11,7 @@
     "dev": "bun run scripts/dev.ts",
     "dev:infra": "docker compose up",
     "dev:infra:down": "docker compose down",
-    "dev:web": "bun --cwd apps/web run dev",
+    "dev:web": "bun --cwd=apps/web run dev",
     "dev:services": "bun run scripts/dev-services.ts"
   }
 }