feat: US-006 - Create ssh2-connect fixture

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: NathanFlurry

packages/secure-exec/tests/e2e-docker/ssh2-connect/fixture.json

@@ -0,0 +1,9 @@
+{
+	"entry": "src/index.js",
+	"expectation": "fail",
+	"services": ["ssh"],
+	"fail": {
+		"code": 1,
+		"stderrIncludes": "net.Socket is not supported in sandbox"
+	}
+}

packages/secure-exec/tests/e2e-docker/ssh2-connect/package.json

@@ -0,0 +1,8 @@
+{
+	"name": "e2e-docker-ssh2-connect",
+	"private": true,
+	"type": "commonjs",
+	"dependencies": {
+		"ssh2": "1.17.0"
+	}
+}

packages/secure-exec/tests/e2e-docker/ssh2-connect/src/index.js

@@ -0,0 +1,48 @@
+const { Client } = require("ssh2");
+
+async function main() {
+	const result = await new Promise((resolve, reject) => {
+		const conn = new Client();
+
+		conn.on("ready", () => {
+			conn.exec("echo hello-from-sandbox && whoami", (err, stream) => {
+				if (err) return reject(err);
+
+				let stdout = "";
+				let stderr = "";
+
+				stream.on("data", (data) => {
+					stdout += data.toString();
+				});
+				stream.stderr.on("data", (data) => {
+					stderr += data.toString();
+				});
+				stream.on("close", (code) => {
+					conn.end();
+					resolve({
+						connected: true,
+						code,
+						stdout: stdout.trim(),
+						stderr: stderr.trim(),
+					});
+				});
+			});
+		});
+
+		conn.on("error", reject);
+
+		conn.connect({
+			host: process.env.SSH_HOST,
+			port: Number(process.env.SSH_PORT),
+			username: "testuser",
+			password: "testpass",
+		});
+	});
+
+	console.log(JSON.stringify(result));
+}
+
+main().catch((err) => {
+	console.error(err.message);
+	process.exit(1);
+});