Revert "chore: remove computer use"

This reverts commit 6761f31a56.

server/modules/computer-use/actions/raw-action-dispatcher.ts

@@ -0,0 +1,67 @@
+import {
+  captureScreenshot,
+  executor,
+  type ExecutorTarget,
+} from '@/modules/computer-use/computer-executor.js';
+import type { RawActionResult, RawComputerAction, RawActionTarget } from '@/modules/computer-use/actions/raw-action-types.js';
+
+const DEFAULT_WAIT_MS = 1000;
+const MAX_WAIT_MS = 10_000;
+
+function normalizeWaitMs(ms: number | undefined): number {
+  if (ms === undefined) {
+    return DEFAULT_WAIT_MS;
+  }
+  if (!Number.isFinite(ms)) {
+    throw new Error('Computer Use wait duration must be a finite number.');
+  }
+  return Math.trunc(Math.max(0, Math.min(ms, MAX_WAIT_MS)));
+}
+
+async function snapshot(target: RawActionTarget): Promise<RawActionResult> {
+  const { dataUrl, size } = await captureScreenshot();
+  return { screenshotDataUrl: dataUrl, displaySize: size || target.displaySize };
+}
+
+export async function runRawComputerAction(
+  action: RawComputerAction,
+  target: RawActionTarget,
+): Promise<RawActionResult> {
+  const executorTarget: ExecutorTarget = {
+    displaySize: target.displaySize,
+  };
+
+  switch (action.type) {
+    case 'screenshot':
+      return snapshot(target);
+    case 'cursor_position': {
+      const position = await executor.cursorPosition(executorTarget);
+      return { ...(await snapshot(target)), position, cursor: position };
+    }
+    case 'mouse_move':
+      await executor.moveTo(executorTarget, action.point);
+      return { ...(await snapshot(target)), cursor: action.point };
+    case 'click':
+      await executor.click(executorTarget, action.button, action.point, action.double === true);
+      return { ...(await snapshot(target)), cursor: action.point ?? null };
+    case 'drag':
+      await executor.drag(executorTarget, action.from, action.to, action.button ?? 'left');
+      return { ...(await snapshot(target)), cursor: action.to };
+    case 'type':
+      await executor.type(action.text);
+      return snapshot(target);
+    case 'key':
+      await executor.pressChord(action.key);
+      return snapshot(target);
+    case 'scroll':
+      await executor.scroll(executorTarget, action.direction, action.amount ?? 3, action.point);
+      return { ...(await snapshot(target)), cursor: action.point ?? null };
+    case 'wait':
+      await new Promise((resolve) => setTimeout(resolve, normalizeWaitMs(action.ms)));
+      return snapshot(target);
+    default: {
+      const exhaustive: never = action;
+      throw new Error(`Unsupported computer action: ${(exhaustive as { type?: string }).type || 'unknown'}`);
+    }
+  }
+}