chore: update android scripts and add dev runner with IPC restart support

packages/server/scripts/dev-runner.ts

@@ -0,0 +1,60 @@
+import { fork, type ChildProcess } from "child_process";
+import { fileURLToPath } from "url";
+import path from "path";
+
+const serverEntry = fileURLToPath(
+  new URL("../src/server/index.ts", import.meta.url)
+);
+
+let child: ChildProcess | null = null;
+let restarting = false;
+
+function spawnServer() {
+  child = fork(serverEntry, {
+    stdio: "inherit",
+    env: process.env,
+    execArgv: ["--import", "tsx"],
+  });
+
+  child.on("message", (msg: any) => {
+    if (msg?.type === "paseo:restart") {
+      restartServer();
+    }
+  });
+
+  child.on("exit", (code, signal) => {
+    if (restarting) {
+      restarting = false;
+      spawnServer();
+      return;
+    }
+
+    const exitDescriptor =
+      signal ?? (typeof code === "number" ? `code ${code}` : "unknown");
+    console.warn(`[DevRunner] Server exited (${exitDescriptor}). Shutting down.`);
+    process.exit(typeof code === "number" ? code : 0);
+  });
+}
+
+function restartServer() {
+  if (!child || restarting) {
+    return;
+  }
+
+  restarting = true;
+  console.warn("[DevRunner] Restart requested. Stopping current server...");
+  child.kill("SIGTERM");
+}
+
+function forwardSignal(signal: NodeJS.Signals) {
+  if (!child) {
+    process.exit(0);
+  }
+  child.kill(signal);
+}
+
+process.on("SIGINT", () => forwardSignal("SIGINT"));
+process.on("SIGTERM", () => forwardSignal("SIGTERM"));
+
+console.log("[DevRunner] Starting server with tsx (explicit restarts only)");
+spawnServer();