From 1fb4efe70c00535fd3400141165ef73827483c8e Mon Sep 17 00:00:00 2001
From: Olize <53581423+Olize@users.noreply.github.com>
Date: Wed, 21 Oct 2026 17:55:05 -0400
Subject: [PATCH 1/3] Document tested AMD64-only support and nonreproducible
 RPM resolution in public source alpha

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index 5bb0773..843765b 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,8 @@
 
 **Status: public source-only alpha (research preview). Not audited or production-ready.**
 
+**Platform:** Linux **x86_64/amd64 only** for this source build. The pinned Mullvad upgrade binary is compiled for amd64; ARM64 support is not implemented or tested. The Fedora base image is pinned by digest, but distribution RPM dependencies are resolved at build time and are not yet reproducibly locked. Build results can change when package repositories change.
+
 This repository contains the standalone KEMHarbor gateway source and usage documentation. The distributed source tree does not include test harnesses, experimental lifecycle supervisors or an automated container-image release workflow.
 
 ## Gateway characteristics

From a17e8a764c08bfba837244addc6e03504d01cdcd Mon Sep 17 00:00:00 2001
From: Olize <53581423+Olize@users.noreply.github.com>
Date: Wed, 21 Oct 2026 17:55:09 -0400
Subject: [PATCH 2/3] Disclose AMD64-only and mutable RPM package release
 limits in security policy

---
 SECURITY.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/SECURITY.md b/SECURITY.md
index a2868ac..9657ebd 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -3,6 +3,10 @@
 **Status: research preview; no formal security audit and no production-ready release.**
 This source distribution does not include test harnesses or an automated image-release pipeline. Its documented safety properties are not a substitute for independent security review and live validation.
 
+## Platform and dependency boundaries
+
+This experimental build targets Linux **x86_64/amd64**. Its upstream Mullvad PQ upgrade executable is downloaded for amd64 only; do not use the resulting image on ARM64. The base OCI image is pinned by digest but RPM dependency versions are not locked. An image built at a later date therefore requires fresh testing and security review; digest pinning alone does not provide ongoing security updates.
+
 ## Isolation and capabilities
 
 - Run the VPN inside a dedicated Linux network namespace. **Never** use host networking or privileged mode.

From 1a767efe99030e2c76e5a5d6919f58e644cb3da5 Mon Sep 17 00:00:00 2001
From: Olize <53581423+Olize@users.noreply.github.com>
Date: Wed, 21 Oct 2026 17:55:22 -0400
Subject: [PATCH 3/3] Schedule reviewable weekly Docker base and GitHub Actions
 dependency update PRs

---
 .github/dependabot.yml | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 .github/dependabot.yml

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..e2909b5
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,20 @@
+version: 2
+updates:
+  - package-ecosystem: docker
+    directory: "/"
+    schedule:
+      interval: weekly
+      day: monday
+      time: "06:00"
+      timezone: Europe/Vienna
+    open-pull-requests-limit: 2
+    labels: ["dependencies"]
+  - package-ecosystem: github-actions
+    directory: "/"
+    schedule:
+      interval: weekly
+      day: monday
+      time: "06:00"
+      timezone: Europe/Vienna
+    open-pull-requests-limit: 2
+    labels: ["dependencies"]