diff --git a/.github/aw/actions-lock.json b/.github/aw/actions-lock.json
index aea3cad900b..b74c2790a9f 100644
--- a/.github/aw/actions-lock.json
+++ b/.github/aw/actions-lock.json
@@ -392,6 +392,11 @@
       "digest": "sha256:9fec93937dc9d3e04f3954705c2c42f58976ebb8479b10778602631b5316e1e2",
       "pinned_image": "ghcr.io/github/gh-aw-firewall/api-proxy:0.27.9@sha256:9fec93937dc9d3e04f3954705c2c42f58976ebb8479b10778602631b5316e1e2"
     },
+    "ghcr.io/github/gh-aw-firewall/build-tools:0.27.26": {
+      "image": "ghcr.io/github/gh-aw-firewall/build-tools:0.27.26",
+      "digest": "sha256:5823f6cec65210cd6e3e6320c165979fb46f78c76600f58f4189d2c89c2be8da",
+      "pinned_image": "ghcr.io/github/gh-aw-firewall/build-tools:0.27.26@sha256:5823f6cec65210cd6e3e6320c165979fb46f78c76600f58f4189d2c89c2be8da"
+    },
     "ghcr.io/github/gh-aw-firewall/cli-proxy:0.25.28": {
       "image": "ghcr.io/github/gh-aw-firewall/cli-proxy:0.25.28",
       "digest": "sha256:fdf310e4678ce58d248c466b89399e9680a3003038fd19322c388559016aaac7",
diff --git a/pkg/actionpins/data/action_pins.json b/pkg/actionpins/data/action_pins.json
index aea3cad900b..b74c2790a9f 100644
--- a/pkg/actionpins/data/action_pins.json
+++ b/pkg/actionpins/data/action_pins.json
@@ -392,6 +392,11 @@
       "digest": "sha256:9fec93937dc9d3e04f3954705c2c42f58976ebb8479b10778602631b5316e1e2",
       "pinned_image": "ghcr.io/github/gh-aw-firewall/api-proxy:0.27.9@sha256:9fec93937dc9d3e04f3954705c2c42f58976ebb8479b10778602631b5316e1e2"
     },
+    "ghcr.io/github/gh-aw-firewall/build-tools:0.27.26": {
+      "image": "ghcr.io/github/gh-aw-firewall/build-tools:0.27.26",
+      "digest": "sha256:5823f6cec65210cd6e3e6320c165979fb46f78c76600f58f4189d2c89c2be8da",
+      "pinned_image": "ghcr.io/github/gh-aw-firewall/build-tools:0.27.26@sha256:5823f6cec65210cd6e3e6320c165979fb46f78c76600f58f4189d2c89c2be8da"
+    },
     "ghcr.io/github/gh-aw-firewall/cli-proxy:0.25.28": {
       "image": "ghcr.io/github/gh-aw-firewall/cli-proxy:0.25.28",
       "digest": "sha256:fdf310e4678ce58d248c466b89399e9680a3003038fd19322c388559016aaac7",
diff --git a/pkg/workflow/awf_helpers.go b/pkg/workflow/awf_helpers.go
index 77b76a960cf..b08791c0af1 100644
--- a/pkg/workflow/awf_helpers.go
+++ b/pkg/workflow/awf_helpers.go
@@ -790,6 +790,10 @@ func GetAWFCommandPrefix(workflowData *WorkflowData) string {
 //
 //	<tag>,squid=sha256:...,agent=sha256:...,api-proxy=sha256:...,cli-proxy=sha256:...
 //
+// For arc-dind topology, build-tools is also included:
+//
+//	<tag>,squid=sha256:...,agent=sha256:...,api-proxy=sha256:...,cli-proxy=sha256:...,build-tools=sha256:...
+//
 // This keeps AWF sidecar configuration aligned with digest-pinned pre-download images.
 func buildAWFImageTagWithDigests(imageTag string, workflowData *WorkflowData) string {
 	if imageTag == "" {
@@ -807,6 +811,9 @@ func buildAWFImageTagWithDigests(imageTag string, workflowData *WorkflowData) st
 		{name: "api-proxy", image: constants.DefaultFirewallRegistry + "/api-proxy:" + imageTag},
 		{name: "cli-proxy", image: constants.DefaultFirewallRegistry + "/cli-proxy:" + imageTag},
 	}
+	if isArcDindTopology(workflowData) {
+		specs = append(specs, digestSpec{name: "build-tools", image: constants.DefaultFirewallRegistry + "/build-tools:" + imageTag})
+	}
 
 	parts := []string{imageTag}
 	for _, spec := range specs {
diff --git a/pkg/workflow/awf_helpers_test.go b/pkg/workflow/awf_helpers_test.go
index 831742cb066..e625527077a 100644
--- a/pkg/workflow/awf_helpers_test.go
+++ b/pkg/workflow/awf_helpers_test.go
@@ -2047,6 +2047,23 @@ func TestBuildAWFImageTagWithDigests(t *testing.T) {
 		tag := buildAWFImageTagWithDigests("0.0.1", nil)
 		assert.Equal(t, "0.0.1", tag, "should not append digest metadata when no pins are available")
 	})
+
+	t.Run("includes build-tools digest for arc-dind topology", func(t *testing.T) {
+		imageTag := strings.TrimPrefix(string(constants.DefaultFirewallVersion), "v")
+		workflowData := &WorkflowData{
+			RunnerConfig: &RunnerConfig{Topology: RunnerTopologyArcDind},
+		}
+		tag := buildAWFImageTagWithDigests(imageTag, workflowData)
+
+		assert.Contains(t, tag, "build-tools=sha256:", "should include build-tools digest metadata for arc-dind topology")
+	})
+
+	t.Run("excludes build-tools digest without arc-dind topology", func(t *testing.T) {
+		imageTag := strings.TrimPrefix(string(constants.DefaultFirewallVersion), "v")
+		tag := buildAWFImageTagWithDigests(imageTag, nil)
+
+		assert.NotContains(t, tag, "build-tools=", "should not include build-tools digest metadata without arc-dind topology")
+	})
 }
 
 func TestBuildAWFArgs_ImageTagIncludesDigests(t *testing.T) {
diff --git a/pkg/workflow/data/action_pins.json b/pkg/workflow/data/action_pins.json
index aea3cad900b..b74c2790a9f 100644
--- a/pkg/workflow/data/action_pins.json
+++ b/pkg/workflow/data/action_pins.json
@@ -392,6 +392,11 @@
       "digest": "sha256:9fec93937dc9d3e04f3954705c2c42f58976ebb8479b10778602631b5316e1e2",
       "pinned_image": "ghcr.io/github/gh-aw-firewall/api-proxy:0.27.9@sha256:9fec93937dc9d3e04f3954705c2c42f58976ebb8479b10778602631b5316e1e2"
     },
+    "ghcr.io/github/gh-aw-firewall/build-tools:0.27.26": {
+      "image": "ghcr.io/github/gh-aw-firewall/build-tools:0.27.26",
+      "digest": "sha256:5823f6cec65210cd6e3e6320c165979fb46f78c76600f58f4189d2c89c2be8da",
+      "pinned_image": "ghcr.io/github/gh-aw-firewall/build-tools:0.27.26@sha256:5823f6cec65210cd6e3e6320c165979fb46f78c76600f58f4189d2c89c2be8da"
+    },
     "ghcr.io/github/gh-aw-firewall/cli-proxy:0.25.28": {
       "image": "ghcr.io/github/gh-aw-firewall/cli-proxy:0.25.28",
       "digest": "sha256:fdf310e4678ce58d248c466b89399e9680a3003038fd19322c388559016aaac7",
diff --git a/pkg/workflow/docker_firewall_pin_compile_test.go b/pkg/workflow/docker_firewall_pin_compile_test.go
index d4577534e06..4f663822d4f 100644
--- a/pkg/workflow/docker_firewall_pin_compile_test.go
+++ b/pkg/workflow/docker_firewall_pin_compile_test.go
@@ -174,3 +174,62 @@ Test workflow.`
 		}
 	}
 }
+
+// TestCompileWorkflow_BuildToolsImagePinnedForArcDind is a regression test for
+// gh-aw#44040: when runner.topology is arc-dind, the build-tools image must be
+// digest-pinned in the compiled lock file the same way the other four gh-aw-firewall
+// images (agent, api-proxy, cli-proxy, squid) are.
+func TestCompileWorkflow_BuildToolsImagePinnedForArcDind(t *testing.T) {
+	// Strip the leading "v" to get the Docker image tag (mirrors getAWFImageTag).
+	imageTag := strings.TrimPrefix(string(constants.DefaultFirewallVersion), "v")
+
+	frontmatter := `---
+on: workflow_dispatch
+engine: claude
+runner:
+  topology: arc-dind
+network:
+  allowed:
+    - defaults
+---
+
+# Test
+Test workflow.`
+
+	tmpDir := testutil.TempDir(t, "docker-firewall-pins-arc-dind-test")
+	testFile := filepath.Join(tmpDir, "test-workflow.md")
+	if err := os.WriteFile(testFile, []byte(frontmatter), 0644); err != nil {
+		t.Fatal(err)
+	}
+
+	compiler := NewCompiler()
+	if err := compiler.CompileWorkflow(testFile); err != nil {
+		t.Fatalf("Failed to compile workflow: %v", err)
+	}
+
+	lockFile := stringutil.MarkdownToLockFile(testFile)
+	yaml, err := os.ReadFile(lockFile)
+	if err != nil {
+		t.Fatalf("Failed to read lock file: %v", err)
+	}
+
+	yamlStr := string(yaml)
+
+	buildToolsImage := "ghcr.io/github/gh-aw-firewall/build-tools:" + imageTag
+	buildToolsDigest := "sha256:5823f6cec65210cd6e3e6320c165979fb46f78c76600f58f4189d2c89c2be8da"
+	pinnedBuildTools := buildToolsImage + "@" + buildToolsDigest
+
+	if !strings.Contains(yamlStr, `"image":"`+buildToolsImage+`","digest":"`+buildToolsDigest+`","pinned_image":"`+pinnedBuildTools+`"`) {
+		t.Errorf("Expected manifest header to include pinned metadata for %s", buildToolsImage)
+	}
+	if !strings.Contains(yamlStr, "#   - "+pinnedBuildTools) {
+		t.Errorf("Expected pinned container comment for %s", buildToolsImage)
+	}
+	if !strings.Contains(yamlStr, pinnedBuildTools) {
+		t.Errorf("Expected pinned download reference for %s", buildToolsImage)
+	}
+
+	if !strings.Contains(yamlStr, `build-tools=`+buildToolsDigest) {
+		t.Errorf("Expected AWF config JSON to include build-tools=%s", buildToolsDigest)
+	}
+}
diff --git a/pkg/workflow/testdata/TestWasmGolden_AllEngines/claude.golden b/pkg/workflow/testdata/TestWasmGolden_AllEngines/claude.golden
index ce33aa9b494..dc5df7fd15f 100644
--- a/pkg/workflow/testdata/TestWasmGolden_AllEngines/claude.golden
+++ b/pkg/workflow/testdata/TestWasmGolden_AllEngines/claude.golden
@@ -690,6 +690,8 @@ jobs:
         env:
           AWF_LOGS_DIR: /tmp/gh-aw/sandbox/firewall/logs
         run: |
+          # Best-effort permission fix for artifact upload (AWF cleanup may not have run)
+          sudo -n chmod -R a+rX /tmp/gh-aw/sandbox/firewall 2>/dev/null || chmod -R a+rX /tmp/gh-aw/sandbox/firewall 2>/dev/null || true
           # Only run awf logs summary if awf command exists (it may not be installed if workflow failed before install step)
           if command -v awf &> /dev/null; then
             awf logs summary | tee -a "$GITHUB_STEP_SUMMARY"
diff --git a/pkg/workflow/testdata/TestWasmGolden_AllEngines/codex.golden b/pkg/workflow/testdata/TestWasmGolden_AllEngines/codex.golden
index 9e617156e33..af133e8ccf4 100644
--- a/pkg/workflow/testdata/TestWasmGolden_AllEngines/codex.golden
+++ b/pkg/workflow/testdata/TestWasmGolden_AllEngines/codex.golden
@@ -660,6 +660,8 @@ jobs:
         env:
           AWF_LOGS_DIR: /tmp/gh-aw/sandbox/firewall/logs
         run: |
+          # Best-effort permission fix for artifact upload (AWF cleanup may not have run)
+          sudo -n chmod -R a+rX /tmp/gh-aw/sandbox/firewall 2>/dev/null || chmod -R a+rX /tmp/gh-aw/sandbox/firewall 2>/dev/null || true
           # Only run awf logs summary if awf command exists (it may not be installed if workflow failed before install step)
           if command -v awf &> /dev/null; then
             awf logs summary | tee -a "$GITHUB_STEP_SUMMARY"
diff --git a/pkg/workflow/testdata/TestWasmGolden_AllEngines/copilot.golden b/pkg/workflow/testdata/TestWasmGolden_AllEngines/copilot.golden
index 901a209eefd..a17f7648ef2 100644
--- a/pkg/workflow/testdata/TestWasmGolden_AllEngines/copilot.golden
+++ b/pkg/workflow/testdata/TestWasmGolden_AllEngines/copilot.golden
@@ -634,6 +634,8 @@ jobs:
         env:
           AWF_LOGS_DIR: /tmp/gh-aw/sandbox/firewall/logs
         run: |
+          # Best-effort permission fix for artifact upload (AWF cleanup may not have run)
+          sudo -n chmod -R a+rX /tmp/gh-aw/sandbox/firewall 2>/dev/null || chmod -R a+rX /tmp/gh-aw/sandbox/firewall 2>/dev/null || true
           # Only run awf logs summary if awf command exists (it may not be installed if workflow failed before install step)
           if command -v awf &> /dev/null; then
             awf logs summary | tee -a "$GITHUB_STEP_SUMMARY"
diff --git a/pkg/workflow/testdata/TestWasmGolden_AllEngines/gemini.golden b/pkg/workflow/testdata/TestWasmGolden_AllEngines/gemini.golden
index c495fb55ffb..4cf4ef8cfb3 100644
--- a/pkg/workflow/testdata/TestWasmGolden_AllEngines/gemini.golden
+++ b/pkg/workflow/testdata/TestWasmGolden_AllEngines/gemini.golden
@@ -614,6 +614,8 @@ jobs:
         env:
           AWF_LOGS_DIR: /tmp/gh-aw/sandbox/firewall/logs
         run: |
+          # Best-effort permission fix for artifact upload (AWF cleanup may not have run)
+          sudo -n chmod -R a+rX /tmp/gh-aw/sandbox/firewall 2>/dev/null || chmod -R a+rX /tmp/gh-aw/sandbox/firewall 2>/dev/null || true
           # Only run awf logs summary if awf command exists (it may not be installed if workflow failed before install step)
           if command -v awf &> /dev/null; then
             awf logs summary | tee -a "$GITHUB_STEP_SUMMARY"
diff --git a/pkg/workflow/testdata/TestWasmGolden_AllEngines/pi.golden b/pkg/workflow/testdata/TestWasmGolden_AllEngines/pi.golden
index 2ef33e94aca..2df7e298845 100644
--- a/pkg/workflow/testdata/TestWasmGolden_AllEngines/pi.golden
+++ b/pkg/workflow/testdata/TestWasmGolden_AllEngines/pi.golden
@@ -560,6 +560,8 @@ jobs:
         env:
           AWF_LOGS_DIR: /tmp/gh-aw/sandbox/firewall/logs
         run: |
+          # Best-effort permission fix for artifact upload (AWF cleanup may not have run)
+          sudo -n chmod -R a+rX /tmp/gh-aw/sandbox/firewall 2>/dev/null || chmod -R a+rX /tmp/gh-aw/sandbox/firewall 2>/dev/null || true
           # Only run awf logs summary if awf command exists (it may not be installed if workflow failed before install step)
           if command -v awf &> /dev/null; then
             awf logs summary | tee -a "$GITHUB_STEP_SUMMARY"
diff --git a/pkg/workflow/testdata/TestWasmGolden_CompileFixtures/basic-copilot.golden b/pkg/workflow/testdata/TestWasmGolden_CompileFixtures/basic-copilot.golden
index 7e8bc914954..275496143ec 100644
--- a/pkg/workflow/testdata/TestWasmGolden_CompileFixtures/basic-copilot.golden
+++ b/pkg/workflow/testdata/TestWasmGolden_CompileFixtures/basic-copilot.golden
@@ -634,6 +634,8 @@ jobs:
         env:
           AWF_LOGS_DIR: /tmp/gh-aw/sandbox/firewall/logs
         run: |
+          # Best-effort permission fix for artifact upload (AWF cleanup may not have run)
+          sudo -n chmod -R a+rX /tmp/gh-aw/sandbox/firewall 2>/dev/null || chmod -R a+rX /tmp/gh-aw/sandbox/firewall 2>/dev/null || true
           # Only run awf logs summary if awf command exists (it may not be installed if workflow failed before install step)
           if command -v awf &> /dev/null; then
             awf logs summary | tee -a "$GITHUB_STEP_SUMMARY"
diff --git a/pkg/workflow/testdata/TestWasmGolden_CompileFixtures/playwright-cli-mode.golden b/pkg/workflow/testdata/TestWasmGolden_CompileFixtures/playwright-cli-mode.golden
index 4bd363f7ef7..39d792b6555 100644
--- a/pkg/workflow/testdata/TestWasmGolden_CompileFixtures/playwright-cli-mode.golden
+++ b/pkg/workflow/testdata/TestWasmGolden_CompileFixtures/playwright-cli-mode.golden
@@ -654,6 +654,8 @@ jobs:
         env:
           AWF_LOGS_DIR: /tmp/gh-aw/sandbox/firewall/logs
         run: |
+          # Best-effort permission fix for artifact upload (AWF cleanup may not have run)
+          sudo -n chmod -R a+rX /tmp/gh-aw/sandbox/firewall 2>/dev/null || chmod -R a+rX /tmp/gh-aw/sandbox/firewall 2>/dev/null || true
           # Only run awf logs summary if awf command exists (it may not be installed if workflow failed before install step)
           if command -v awf &> /dev/null; then
             awf logs summary | tee -a "$GITHUB_STEP_SUMMARY"
diff --git a/pkg/workflow/testdata/TestWasmGolden_CompileFixtures/smoke-copilot.golden b/pkg/workflow/testdata/TestWasmGolden_CompileFixtures/smoke-copilot.golden
index e3be7e3b55b..6bb0f85f825 100644
--- a/pkg/workflow/testdata/TestWasmGolden_CompileFixtures/smoke-copilot.golden
+++ b/pkg/workflow/testdata/TestWasmGolden_CompileFixtures/smoke-copilot.golden
@@ -891,6 +891,8 @@ jobs:
         env:
           AWF_LOGS_DIR: /tmp/gh-aw/sandbox/firewall/logs
         run: |
+          # Best-effort permission fix for artifact upload (AWF cleanup may not have run)
+          sudo -n chmod -R a+rX /tmp/gh-aw/sandbox/firewall 2>/dev/null || chmod -R a+rX /tmp/gh-aw/sandbox/firewall 2>/dev/null || true
           # Only run awf logs summary if awf command exists (it may not be installed if workflow failed before install step)
           if command -v awf &> /dev/null; then
             awf logs summary | tee -a "$GITHUB_STEP_SUMMARY"
diff --git a/pkg/workflow/testdata/TestWasmGolden_CompileFixtures/with-imports.golden b/pkg/workflow/testdata/TestWasmGolden_CompileFixtures/with-imports.golden
index c761c94842d..a829ffc9894 100644
--- a/pkg/workflow/testdata/TestWasmGolden_CompileFixtures/with-imports.golden
+++ b/pkg/workflow/testdata/TestWasmGolden_CompileFixtures/with-imports.golden
@@ -635,6 +635,8 @@ jobs:
         env:
           AWF_LOGS_DIR: /tmp/gh-aw/sandbox/firewall/logs
         run: |
+          # Best-effort permission fix for artifact upload (AWF cleanup may not have run)
+          sudo -n chmod -R a+rX /tmp/gh-aw/sandbox/firewall 2>/dev/null || chmod -R a+rX /tmp/gh-aw/sandbox/firewall 2>/dev/null || true
           # Only run awf logs summary if awf command exists (it may not be installed if workflow failed before install step)
           if command -v awf &> /dev/null; then
             awf logs summary | tee -a "$GITHUB_STEP_SUMMARY"