feat: add CloudCLI computer use semantics, desktop helper packaging, and permission onboarding

server/modules/computer-use/semantics/helpers/semantic-helper-resolver.ts

@@ -0,0 +1,97 @@
+import fs from 'node:fs';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+
+export type SemanticHelperPlatform = 'darwin' | 'win32';
+
+export type SemanticHelperResolution = {
+  available: boolean;
+  path: string | null;
+  source: 'bundled' | 'dev' | 'missing';
+  platform: NodeJS.Platform;
+  arch: NodeJS.Architecture;
+  reason?: string;
+};
+
+function helperExecutableName(platform: NodeJS.Platform): string | null {
+  if (platform === 'darwin') {
+    return 'CloudCLISemantics';
+  }
+  if (platform === 'win32') {
+    return 'CloudCLISemantics.exe';
+  }
+  return null;
+}
+
+function pathExists(filePath: string): boolean {
+  try {
+    fs.accessSync(filePath, fs.constants.X_OK);
+    return true;
+  } catch {
+    try {
+      fs.accessSync(filePath, fs.constants.F_OK);
+      return true;
+    } catch {
+      return false;
+    }
+  }
+}
+
+function candidatePaths(platform: NodeJS.Platform, arch: NodeJS.Architecture): Array<{ source: 'bundled' | 'dev'; path: string }> {
+  const executable = helperExecutableName(platform);
+  if (!executable) {
+    return [];
+  }
+
+  const platformArch = `${platform}-${arch}`;
+  return [
+    {
+      source: 'bundled',
+      path: path.resolve(__dirname, '..', 'bin', platformArch, executable),
+    },
+    {
+      source: 'dev',
+      path: path.resolve(process.cwd(), 'server', 'modules', 'computer-use', 'semantics', 'bin', platformArch, executable),
+    },
+  ];
+}
+
+export function resolveSemanticHelper(
+  platform: NodeJS.Platform = process.platform,
+  arch: NodeJS.Architecture = process.arch,
+): SemanticHelperResolution {
+  const executable = helperExecutableName(platform);
+  if (!executable) {
+    return {
+      available: false,
+      path: null,
+      source: 'missing',
+      platform,
+      arch,
+      reason: `Semantic Computer Use helper is not supported on ${platform}.`,
+    };
+  }
+
+  for (const candidate of candidatePaths(platform, arch)) {
+    if (pathExists(candidate.path)) {
+      return {
+        available: true,
+        path: candidate.path,
+        source: candidate.source,
+        platform,
+        arch,
+      };
+    }
+  }
+
+  return {
+    available: false,
+    path: null,
+    source: 'missing',
+    platform,
+    arch,
+    reason: `Bundled semantic helper was not found for ${platform}-${arch} (${executable}).`,
+  };
+}