Bug Description

browser act commands (click/type/fill) are failing with error 'request required' even when all required parameters are provided.

Environment

• OS: macOS 26.2 (arm64)
• OpenClaw: 2026.2.9
• Gateway: Running (ws://127.0.0.1:18789)
• Browser: Chrome (correct path: /Applications/Google Chrome.app/Contents/MacOS/Google Chrome)
• CDP Port: 18800

Steps to Reproduce

1. Run: browser(action="open", targetUrl="https://example.com")
2. Run: browser(action="snapshot", targetId="xxx") -> Returns success with element refs
3. Run: browser(action="act", kind="type", ref="f1e3", text="Test", targetId="xxx") -> Fails with "request required"

Expected Behavior

The act command should execute the click/type/fill action on the target element.

Actual Behavior

Error: {"error": "request required"}

Additional Notes

• snapshot command works perfectly and returns element refs
• Only act commands are failing
• This prevents any browser automation (clicking, typing, filling forms)

Sample JSON Request That Fails

{
  "action": "act",
  "kind": "type",
  "ref": "f1e3",
  "text": "Test Title",
  "targetId": "75BB6A0D0F121576255407A0E772B8DD"
}