release: 1.3.1

Close Unreleased for retry-policy panel, persistent queue, and self-contained backups; pin compose and docs to 1.3.1.

Co-authored-by: Cursor <cursoragent@cursor.com>

docs/plans/inbound-relay.md

@@ -3,11 +3,10 @@
 **Status:** agreed  
 **Version:** target bump **1.x** MINOR; **`2.x` possible** — to be settled once
 the implementation lands (do not fix a major in advance).  
-**Order:** the 2026-08-13 full-tree review follow-ups are closed (CHANGELOG
-`[Unreleased]`), so this is next up as the largest remaining 1.x+ **feature**.
-The domain-admin role
-and `internal/web` split have shipped — see [CHANGELOG](../../CHANGELOG.md)
-`[1.2.0]`.
+**Order:** queue-retries shipped in `[1.3.1]`; this is next as the largest
+remaining 1.x+ **feature**. The 2026-08-13 full-tree review follow-ups closed
+in `[1.3.0]`. The domain-admin role and `internal/web` split have shipped —
+see [CHANGELOG](../../CHANGELOG.md) `[1.2.0]`.
 
 ---
 

docs/plans/queue-retries.md

@@ -1,6 +1,6 @@
 # Plan: queue-retries (Postfix retry policy in the panel)
 
-**Status:** implemented (2026-08-17); version cut `1.3.1` pending  
+**Status:** done — shipped in `[1.3.1]` (2026-08-17)  
 **Date:** 2026-08-13  
 **Version:** patch; no schema, no configuration surface.  
 **Order:** small panel item; does not wait on inbound-relay.