Add nightly fuzz CI workflow

.github/workflows/nightly-fuzz.yml

@@ -0,0 +1,53 @@
+# SPDX-FileCopyrightText: (C) 2026 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+---
+
+name: Nightly Fuzz CI
+
+on:
+  pull_request:
+    branches: [ main ]
+  schedule:
+    - cron: "0 0 * * *"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  fuzz:
+    name: Run Fuzz Tests
+    runs-on: ubuntu-latest
+    timeout-minutes: 400
+    env:
+      FUZZTIME: 360m
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+          cache: true
+
+      - name: Run fuzz suite
+        shell: bash
+        run: |
+          set -o pipefail
+          mkdir -p fuzz-logs
+          make fuzz 2>&1 | tee fuzz-logs/nightly-fuzz-console.log
+
+      - name: Upload fuzz logs
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: nightly-fuzz-logs-${{ github.run_id }}-${{ github.run_attempt }}
+          path: |
+            fuzz-logs/
+            pkg/**/testdata/fuzz/
+            internal/**/testdata/fuzz/
+          if-no-files-found: warn
+          retention-days: 30