feat(onboard): add custom/local API configuration flow (#11106)

* feat(onboard): add custom/local API configuration flow

* ci: retry macos check

* fix: expand custom API onboarding (#11106) (thanks @MackDing)

* fix: refine custom endpoint detection (#11106) (thanks @MackDing)

* fix: streamline custom endpoint onboarding (#11106) (thanks @MackDing)

* fix: skip model picker for custom endpoint (#11106) (thanks @MackDing)

* fix: avoid allowlist picker for custom endpoint (#11106) (thanks @MackDing)

* Onboard: reuse shared fetch timeout helper (#11106) (thanks @MackDing)

* Onboard: clarify default base URL name (#11106) (thanks @MackDing)

---------

Co-authored-by: OpenClaw Contributor <contributor@openclaw.ai>
Co-authored-by: Gustavo Madeira Santana <gumadeiras@gmail.com>

docs/cli/onboard.md

@@ -12,6 +12,7 @@ Interactive onboarding wizard (local or remote Gateway setup).
 ## Related guides
 
 - CLI onboarding hub: [Onboarding Wizard (CLI)](/start/wizard)
+- Onboarding overview: [Onboarding Overview](/start/onboarding-overview)
 - CLI onboarding reference: [CLI Onboarding Reference](/start/wizard-cli-reference)
 - CLI automation: [CLI Automation](/start/wizard-cli-automation)
 - macOS onboarding: [Onboarding (macOS App)](/start/onboarding)
@@ -30,6 +31,8 @@ Flow notes:
 - `quickstart`: minimal prompts, auto-generates a gateway token.
 - `manual`: full prompts for port/bind/auth (alias of `advanced`).
 - Fastest first chat: `openclaw dashboard` (Control UI, no channel setup).
+- Custom API Endpoint: connect any OpenAI or Anthropic compatible endpoint,
+  including hosted providers not listed. Use Unknown to auto-detect.
 
 ## Common follow-up commands