feat: add Chrome extension browser relay

src/cli/browser-cli-extension.ts

@@ -0,0 +1,97 @@
+import fs from "node:fs";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+import type { Command } from "commander";
+
+import { STATE_DIR_CLAWDBOT } from "../config/paths.js";
+import { danger } from "../globals.js";
+import { defaultRuntime } from "../runtime.js";
+import { movePathToTrash } from "../browser/trash.js";
+
+function bundledExtensionRootDir() {
+  const here = path.dirname(fileURLToPath(import.meta.url));
+  return path.resolve(here, "../../assets/chrome-extension");
+}
+
+function installedExtensionRootDir() {
+  return path.join(STATE_DIR_CLAWDBOT, "browser", "chrome-extension");
+}
+
+function hasManifest(dir: string) {
+  return fs.existsSync(path.join(dir, "manifest.json"));
+}
+
+export async function installChromeExtension(opts?: {
+  stateDir?: string;
+  sourceDir?: string;
+}): Promise<{ path: string }> {
+  const src = opts?.sourceDir ?? bundledExtensionRootDir();
+  if (!hasManifest(src)) {
+    throw new Error("Bundled Chrome extension is missing. Reinstall Clawdbot and try again.");
+  }
+
+  const stateDir = opts?.stateDir ?? STATE_DIR_CLAWDBOT;
+  const dest = path.join(stateDir, "browser", "chrome-extension");
+  fs.mkdirSync(path.dirname(dest), { recursive: true });
+
+  if (fs.existsSync(dest)) {
+    await movePathToTrash(dest).catch(() => {
+      const backup = `${dest}.old-${Date.now()}`;
+      fs.renameSync(dest, backup);
+    });
+  }
+
+  await fs.promises.cp(src, dest, { recursive: true });
+  if (!hasManifest(dest)) {
+    throw new Error("Chrome extension install failed (manifest.json missing). Try again.");
+  }
+
+  return { path: dest };
+}
+
+export function registerBrowserExtensionCommands(
+  browser: Command,
+  parentOpts: (cmd: Command) => { json?: boolean },
+) {
+  const ext = browser.command("extension").description("Chrome extension helpers");
+
+  ext
+    .command("install")
+    .description("Install the Chrome extension to a stable local path")
+    .action(async (_opts, cmd) => {
+      const parent = parentOpts(cmd);
+      let installed: { path: string };
+      try {
+        installed = await installChromeExtension();
+      } catch (err) {
+        defaultRuntime.error(danger(String(err)));
+        defaultRuntime.exit(1);
+      }
+
+      if (parent?.json) {
+        defaultRuntime.log(JSON.stringify({ ok: true, path: installed.path }, null, 2));
+        return;
+      }
+      defaultRuntime.log(installed.path);
+    });
+
+  ext
+    .command("path")
+    .description("Print the path to the installed Chrome extension (load unpacked)")
+    .action((_opts, cmd) => {
+      const parent = parentOpts(cmd);
+      const dir = installedExtensionRootDir();
+      if (!hasManifest(dir)) {
+        defaultRuntime.error(
+          danger('Chrome extension is not installed. Run: "clawdbot browser extension install"'),
+        );
+        defaultRuntime.exit(1);
+      }
+      if (parent?.json) {
+        defaultRuntime.log(JSON.stringify({ path: dir }, null, 2));
+        return;
+      }
+      defaultRuntime.log(dir);
+    });
+}