docs(spec): regenerate approval reference + note queue is unimplemented (#3508)

The approver `value` description no longer advertises queue; regenerate the
generated reference page to match, and say plainly in the approvals guide that
a queue approver parses but resolves to nobody.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GzRYYvxLHqzrqG2EceDKFm

Author: claude

content/docs/automation/approvals.mdx

@@ -207,11 +207,14 @@ Only `approvers` is required on the node; everything else has a default
 (`behavior: 'first_response'`, `lockRecord: true`, `maxRevisions: 3`).
 
 Approver entries resolve by kind — `position`, `user`, `field`, `manager`,
-`team`, `department`, `queue`, `org_membership_level`, and `expression`
+`team`, `department`, `org_membership_level`, and `expression`
 (described in the [callout above](#3-the-approval-node) and in
 [Dynamic approvers](#dynamic-approvers-3447)); `org_membership_level` is the
 one that silently resolves to nobody when it's mistaken for a business
-hierarchy. `field`, `manager`, and `expression` resolve against the record's
+hierarchy. `queue` still parses so stored flows keep loading, but it is **not
+implemented** by the runtime and is no longer offered for authoring (#3508) —
+a queue entry resolves to nobody. Route to a `team`, `department`, or
+`position` instead. `field`, `manager`, and `expression` resolve against the record's
 **live** state at node entry (#3447). An entry that resolves
 to nobody is not an error: the request opens with an empty `pending_approvers`
 and nothing can move it, so the run parks forever.

content/docs/references/automation/approval.mdx

@@ -55,7 +55,7 @@ const result = ApprovalDecision.parse(data);
 | Property | Type | Required | Description |
 | :--- | :--- | :--- | :--- |
 | **type** | `Enum<'user' \| 'org_membership_level' \| 'role' \| 'position' \| 'team' \| 'department' \| 'manager' \| 'field' \| 'queue' \| 'expression'>` | ✅ |  |
-| **value** | `string` | optional | User id / membership tier / position / team / department / field / queue — per `type`; for `expression`, a CEL expression over `current.*` / `trigger.*` / `vars.*` |
+| **value** | `string` | optional | User id / membership tier / position / team / department / field — per `type`; for `expression`, a CEL expression over `current.*` / `trigger.*` / `vars.*` |
 | **resolveAs** | `Enum<'user' \| 'department' \| 'position' \| 'team'>` | optional | How an `expression` result is expanded into approvers (default 'user') |
 | **group** | `string` | optional | Group label for per_group sign-off (e.g. "legal", "finance") |