feat(antigravity): integrate Antigravity tool with MITM support and update CLI tools

src/mitm/cert/generate.js

@@ -0,0 +1,44 @@
+const path = require("path");
+const fs = require("fs");
+const os = require("os");
+
+const TARGET_HOST = "daily-cloudcode-pa.googleapis.com";
+
+/**
+ * Generate self-signed SSL certificate using selfsigned (pure JS, no openssl needed)
+ */
+async function generateCert() {
+  const certDir = path.join(os.homedir(), ".9router", "mitm");
+  const keyPath = path.join(certDir, "server.key");
+  const certPath = path.join(certDir, "server.crt");
+
+  if (fs.existsSync(keyPath) && fs.existsSync(certPath)) {
+    console.log("✅ SSL certificate already exists");
+    return { key: keyPath, cert: certPath };
+  }
+
+  if (!fs.existsSync(certDir)) {
+    fs.mkdirSync(certDir, { recursive: true });
+  }
+
+  const selfsigned = require("selfsigned");
+  const attrs = [{ name: "commonName", value: TARGET_HOST }];
+  const notAfter = new Date();
+  notAfter.setFullYear(notAfter.getFullYear() + 1);
+  const pems = await selfsigned.generate(attrs, {
+    keySize: 2048,
+    algorithm: "sha256",
+    notAfterDate: notAfter,
+    extensions: [
+      { name: "subjectAltName", altNames: [{ type: 2, value: TARGET_HOST }] }
+    ]
+  });
+
+  fs.writeFileSync(keyPath, pems.private);
+  fs.writeFileSync(certPath, pems.cert);
+
+  console.log(`✅ Generated SSL certificate for ${TARGET_HOST}`);
+  return { key: keyPath, cert: certPath };
+}
+
+module.exports = { generateCert };