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heph Authentik: grant offline_access scope (fixes spoke sync refresh-token 400)

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The heph CLI requests scope "openid offline_access", but the Authentik
heph OAuth2 provider only mapped openid/email/profile. Without the
offline_access mapping the issued refresh token is bound to the login
session rather than the 30-day refresh-token window; once the session
lapses, hephd's refresh_token grant returns 400 Bad Request and spoke
sync silently degrades (heph sync --status -> auth_failure: true).

Add the built-in offline_access scope mapping to the provider's
property_mappings and document the requirement in the service reference.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Erich Blume 2026-06-06 18:07:13 -07:00
commit 50a36ff93a
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docs/changelog.d/heph-offline-access.bugfix.md Normal file
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Granted the `offline_access` scope on the Authentik `heph` OAuth2 provider so hephaestus spokes receive a durable 30-day refresh token. Previously the refresh token was session-bound, so spoke sync would silently fail with a `400 Bad Request` on the `refresh_token` grant once the Authentik session lapsed.

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docs/reference/services/hephaestus.md
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@ -68,6 +68,17 @@ in the [[authentik]] blueprint (`argocd/manifests/authentik/configmap-blueprint.
- Issuer: `https://authentik.ops.eblu.me/application/o/heph/`
- Audience / client id: `heph`
- Restricted to the `admins` group (single-owner, sensitive data).
- Scope mappings: `openid`, `email`, `profile`, **`offline_access`**.
> **`offline_access` is required for durable sync.** The `heph` CLI requests
> `scope = "openid offline_access"`, and a refresh token is only issued for the
> 30-day refresh-token window when the provider actually grants `offline_access`.
> Without that scope mapping the refresh token is bound to the login **session**;
> once the session lapses, hephd's `refresh_token` grant returns `400 Bad
> Request`, the bearer can't be refreshed, and spoke sync silently degrades
> (`heph sync --status` → `auth_failure: true`). `heph auth login` papers over it
> until the next session expiry. Keep `offline_access` in the provider's
> `property_mappings`.
Because no Authentik instance ships a device-code flow by default, the blueprint
also creates `default-device-code-flow` and binds it to the default brand's