From 8f48b585b7d183bef539e04026c405f459b209e5 Mon Sep 17 00:00:00 2001
From: kolaente <k@knt.li>
Date: Tue, 17 Feb 2026 11:38:57 +0100
Subject: [PATCH] feat: add dependency diff and provenance GitHub Action for
 PRs

---
 .github/workflows/dependency-diff.yml | 43 +++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 .github/workflows/dependency-diff.yml

diff --git a/.github/workflows/dependency-diff.yml b/.github/workflows/dependency-diff.yml
new file mode 100644
index 000000000..b3477137a
--- /dev/null
+++ b/.github/workflows/dependency-diff.yml
@@ -0,0 +1,43 @@
+name: Dependency Checks
+
+on:
+  pull_request:
+    paths:
+      - frontend/pnpm-lock.yaml
+      - desktop/pnpm-lock.yaml
+
+permissions:
+  contents: read
+  pull-requests: write
+
+jobs:
+  diff_dependencies:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        directory: [frontend, desktop]
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Create Diff
+        uses: e18e/action-dependency-diff@v1
+        with:
+          working-directory: ${{ matrix.directory }}
+
+  check-provenance:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        directory: [frontend, desktop]
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Check provenance downgrades
+        uses: danielroe/provenance-action@main
+        with:
+          workspace-path: ${{ matrix.directory }}
+          fail-on-provenance-change: true