feat: integrate Pi backend and Pi Web

pi-web/next.config.ts

@@ -0,0 +1,50 @@
+import type { NextConfig } from "next";
+import { readFileSync } from "fs";
+import { join } from "path";
+
+const { version } = JSON.parse(readFileSync(join(__dirname, "package.json"), "utf8")) as { version: string };
+let piVersion = "unknown";
+try {
+  const piPkgPath = join(__dirname, "node_modules/@earendil-works/pi-coding-agent/package.json");
+  piVersion = (JSON.parse(readFileSync(piPkgPath, "utf8")) as { version: string }).version;
+} catch { /* package not found, use default */ }
+
+const nextConfig: NextConfig = {
+  serverExternalPackages: [
+    "undici",
+    "@earendil-works/pi-coding-agent",
+    "@earendil-works/pi-agent-core",
+    "@earendil-works/pi-ai",
+    "@earendil-works/pi-tui",
+  ],
+  allowedDevOrigins: ['192.168.*.*'],
+  async headers() {
+    return [
+      {
+        source: "/",
+        headers: [
+          { key: "Cache-Control", value: "private, no-cache, max-age=0, must-revalidate" },
+        ],
+      },
+      {
+        source: "/sw.js",
+        headers: [
+          { key: "Cache-Control", value: "public, max-age=0, must-revalidate" },
+          { key: "Service-Worker-Allowed", value: "/" },
+        ],
+      },
+      {
+        source: "/manifest.webmanifest",
+        headers: [
+          { key: "Cache-Control", value: "public, max-age=0, must-revalidate" },
+        ],
+      },
+    ];
+  },
+  env: {
+    NEXT_PUBLIC_APP_VERSION: version,
+    NEXT_PUBLIC_PI_VERSION: piVersion,
+  },
+};
+
+export default nextConfig;