init claude-code

utils/computerUse/hostAdapter.ts

@@ -0,0 +1,69 @@
+import type {
+  ComputerUseHostAdapter,
+  Logger,
+} from '@ant/computer-use-mcp/types'
+import { format } from 'util'
+import { logForDebugging } from '../debug.js'
+import { COMPUTER_USE_MCP_SERVER_NAME } from './common.js'
+import { createCliExecutor } from './executor.js'
+import { getChicagoEnabled, getChicagoSubGates } from './gates.js'
+import { requireComputerUseSwift } from './swiftLoader.js'
+
+class DebugLogger implements Logger {
+  silly(message: string, ...args: unknown[]): void {
+    logForDebugging(format(message, ...args), { level: 'debug' })
+  }
+  debug(message: string, ...args: unknown[]): void {
+    logForDebugging(format(message, ...args), { level: 'debug' })
+  }
+  info(message: string, ...args: unknown[]): void {
+    logForDebugging(format(message, ...args), { level: 'info' })
+  }
+  warn(message: string, ...args: unknown[]): void {
+    logForDebugging(format(message, ...args), { level: 'warn' })
+  }
+  error(message: string, ...args: unknown[]): void {
+    logForDebugging(format(message, ...args), { level: 'error' })
+  }
+}
+
+let cached: ComputerUseHostAdapter | undefined
+
+/**
+ * Process-lifetime singleton. Built once on first CU tool call; native modules
+ * (both `@ant/computer-use-input` and `@ant/computer-use-swift`) are loaded
+ * here via the executor factory, which throws on load failure — there is no
+ * degraded mode.
+ */
+export function getComputerUseHostAdapter(): ComputerUseHostAdapter {
+  if (cached) return cached
+  cached = {
+    serverName: COMPUTER_USE_MCP_SERVER_NAME,
+    logger: new DebugLogger(),
+    executor: createCliExecutor({
+      getMouseAnimationEnabled: () => getChicagoSubGates().mouseAnimation,
+      getHideBeforeActionEnabled: () => getChicagoSubGates().hideBeforeAction,
+    }),
+    ensureOsPermissions: async () => {
+      const cu = requireComputerUseSwift()
+      const accessibility = cu.tcc.checkAccessibility()
+      const screenRecording = cu.tcc.checkScreenRecording()
+      return accessibility && screenRecording
+        ? { granted: true }
+        : { granted: false, accessibility, screenRecording }
+    },
+    isDisabled: () => !getChicagoEnabled(),
+    getSubGates: getChicagoSubGates,
+    // cleanup.ts always unhides at turn end — no user preference to disable it.
+    getAutoUnhideEnabled: () => true,
+
+    // Pixel-validation JPEG decode+crop. MUST be synchronous (the package
+    // does `patch1.equals(patch2)` directly on the return value). Cowork uses
+    // Electron's `nativeImage` (sync); our `image-processor-napi` is
+    // sharp-compatible and async-only. Returning null → validation skipped,
+    // click proceeds — the designed fallback per `PixelCompareResult.skipped`.
+    // The sub-gate defaults to false anyway.
+    cropRawPatch: () => null,
+  }
+  return cached
+}