Add TP-Link Deco network stats tools

src/integrations/deco.js

@@ -0,0 +1,30 @@
+import { execFile } from "node:child_process";
+import { loadEnvFile } from "node:process";
+import { promisify } from "node:util";
+
+try {
+  loadEnvFile();
+} catch (error) {
+  if (error.code !== "ENOENT") {
+    throw error;
+  }
+}
+
+const execFileAsync = promisify(execFile);
+
+const PYTHON = new URL("../../.venv/bin/python", import.meta.url).pathname;
+const BRIDGE = new URL("../../scripts/deco_bridge.py", import.meta.url).pathname;
+
+export async function getDecoStats(action) {
+  try {
+    const { stdout } = await execFileAsync(PYTHON, [BRIDGE, action], {
+      timeout: 45_000,
+      maxBuffer: 4 * 1024 * 1024,
+      env: process.env,
+    });
+    return JSON.parse(stdout);
+  } catch (error) {
+    const detail = error.stderr?.trim() || error.message;
+    throw new Error(`Deco stats request failed. ${detail}`);
+  }
+}