* 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 <[email protected]> Co-authored-by: Gustavo Madeira Santana <[email protected]>