OpenClaw fixes

• "OpenClaw config is invalid": the gateway won't start after you edited openclaw.json OpenClaw config is invalid
  Verified by hand Last verified Oct 26, 2026 OpenClaw
• "openclaw: command not found" right after npm install -g openclaw succeeded openclaw: command not found
  Verified by hand Last verified Oct 26, 2026 OpenClaw
• OpenClaw dashboard says "pairing required" ("disconnected (1008): pairing required" / "Approve this browser") disconnected (1008): pairing required
  Verified by hand Last verified Oct 26, 2026 OpenClaw
• OpenClaw install fails: "this OpenClaw release requires Node >=24.22.1 <25 || >=26.12.1" [openclaw] error: this OpenClaw release requires Node >=24.22.1 <25 || >=26.12.1.
  Verified by hand Last verified Oct 26, 2026 OpenClaw
• OpenClaw: 'No API key found for provider "anthropic"' No API key found for provider "anthropic"
  Partly verified Last verified Oct 26, 2026 OpenClaw
• "openclaw update" fails with reason code doctor-failed (update rolls back) Reason code: doctor-failed
  As reported Not yet reproduced OpenClaw