lmcp: bump to v0.5.2 (shell_bg + remote_shell_bg)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

arch/lmcp/PKGBUILD

@@ -3,7 +3,7 @@
 # Source of truth: git.reauktion.de/marfrit/lmcp
 
 pkgname=lmcp
-pkgver=0.5.1
+pkgver=0.5.2
 pkgrel=1
 pkgdesc="Lightweight MCP (Model Context Protocol) server in pure Lua"
 arch=('any')
@@ -11,7 +11,7 @@ url="https://git.reauktion.de/marfrit/lmcp"
 license=('MIT')
 depends=('lua' 'lua-socket')
 source=("${pkgname}-${pkgver}.tar.gz::https://git.reauktion.de/marfrit/lmcp/archive/v${pkgver}.tar.gz")
-sha256sums=('7c15a00f586c52fc0963334ff86ad6981eb55c6d5211466b069b003dc9434952')
+sha256sums=('5a5945e6f2511f440de8e961b82ec3deaab5e77cc9208c9999e831fbc33d702d')
 
 package() {
     cd "${pkgname}"

debian/lmcp/build-deb.sh

@@ -7,16 +7,16 @@
 # package (Architecture: all, depends on lua + lua-socket).
 set -euo pipefail
 
-PKGVER=0.5.1
+PKGVER=0.5.2
 PKGREL=1
-LMCP_TARBALL_SHA256=7c15a00f586c52fc0963334ff86ad6981eb55c6d5211466b069b003dc9434952
+LMCP_TARBALL_SHA256=5a5945e6f2511f440de8e961b82ec3deaab5e77cc9208c9999e831fbc33d702d
 HERE=$(dirname "$(readlink -f "$0")")
 
 # Reproducible build: pin all file mtimes + ar member timestamps to a fixed
 # epoch tied to this packaging release (lmcp v0.3.0 — 2026-04-14 22:00 UTC).
 # Without this, repeat builds produce different byte streams and reprepro
 # refuses re-includes with "size expected: X, got: Y".
-export SOURCE_DATE_EPOCH=1776602907
+export SOURCE_DATE_EPOCH=1776677688
 
 work=$(mktemp -d)
 trap "rm -rf $work" EXIT

debian/lmcp/debian/changelog

@@ -1,3 +1,12 @@
+lmcp (0.5.2-1) bookworm trixie; urgency=medium
+
+  * server.lua: new shell_bg tool launches detached commands via
+    setsid + nohup + stdio-redirect. Returns PID + log path
+    immediately. Linux-only for MVP.
+  * hub.lua: new remote_shell_bg forwards to backend shell_bg.
+
+ -- Markus Fritsche <mfritsche@reauktion.de>  Mon, 20 Apr 2026 09:34:48 +0000
+
 lmcp (0.5.1-1) bookworm trixie; urgency=medium
 
   * server.lua: search_files uses "find -L" so macOS BSD find