diff --git a/contributors/emails/williamchastain2005@gmail.com b/contributors/emails/williamchastain2005@gmail.com
new file mode 100644
index 0000000000..d980e47d40
--- /dev/null
+++ b/contributors/emails/williamchastain2005@gmail.com
@@ -0,0 +1 @@
+CrazyWillBear
diff --git a/skills/creative/comfyui/scripts/auto_fix_deps.py b/skills/creative/comfyui/scripts/auto_fix_deps.py
index 58cce00c72..9c6bee96a3 100755
--- a/skills/creative/comfyui/scripts/auto_fix_deps.py
+++ b/skills/creative/comfyui/scripts/auto_fix_deps.py
@@ -102,7 +102,7 @@ def main(argv: list[str] | None = None) -> int:
         emit_json({"error": f"Workflow not found: {args.workflow}"})
         return 1
     try:
-        with wf_path.open() as f:
+        with wf_path.open(encoding="utf-8-sig") as f:
             workflow = unwrap_workflow(json.load(f))
     except (ValueError, json.JSONDecodeError) as e:
         emit_json({"error": str(e)})
diff --git a/skills/creative/comfyui/scripts/check_deps.py b/skills/creative/comfyui/scripts/check_deps.py
index 607e2c0a2d..599f977fb0 100755
--- a/skills/creative/comfyui/scripts/check_deps.py
+++ b/skills/creative/comfyui/scripts/check_deps.py
@@ -408,7 +408,7 @@ def main(argv: list[str] | None = None) -> int:
         emit_json({"error": f"Workflow file not found: {args.workflow}"})
         return 1
     try:
-        with wf_path.open() as f:
+        with wf_path.open(encoding="utf-8-sig") as f:
             payload = json.load(f)
         workflow = unwrap_workflow(payload)
     except ValueError as e:
diff --git a/skills/creative/comfyui/scripts/extract_schema.py b/skills/creative/comfyui/scripts/extract_schema.py
index 82f6eac704..185a8da0e9 100755
--- a/skills/creative/comfyui/scripts/extract_schema.py
+++ b/skills/creative/comfyui/scripts/extract_schema.py
@@ -285,7 +285,7 @@ def main(argv: list[str] | None = None) -> int:
         return 1
 
     try:
-        with wf_path.open() as f:
+        with wf_path.open(encoding="utf-8-sig") as f:
             payload = json.load(f)
         workflow = unwrap_workflow(payload)
     except ValueError as e:
diff --git a/skills/creative/comfyui/scripts/health_check.py b/skills/creative/comfyui/scripts/health_check.py
index 63c5025ca9..9c0309f800 100755
--- a/skills/creative/comfyui/scripts/health_check.py
+++ b/skills/creative/comfyui/scripts/health_check.py
@@ -163,7 +163,7 @@ def main(argv: list[str] | None = None) -> int:
             workflow_check = {"error": "workflow file not found"}
         else:
             try:
-                with wf_path.open() as f:
+                with wf_path.open(encoding="utf-8-sig") as f:
                     workflow = unwrap_workflow(json.load(f))
                 from check_deps import check_deps
                 workflow_check = check_deps(workflow, host=args.host, api_key=api_key)
diff --git a/skills/creative/comfyui/scripts/run_batch.py b/skills/creative/comfyui/scripts/run_batch.py
index 7f5b159dbd..0c8460a35c 100755
--- a/skills/creative/comfyui/scripts/run_batch.py
+++ b/skills/creative/comfyui/scripts/run_batch.py
@@ -157,7 +157,7 @@ def main(argv: list[str] | None = None) -> int:
         emit_json({"error": f"Workflow not found: {args.workflow}"})
         return 1
     try:
-        with wf_path.open() as f:
+        with wf_path.open(encoding="utf-8-sig") as f:
             workflow = unwrap_workflow(json.load(f))
     except (ValueError, json.JSONDecodeError) as e:
         emit_json({"error": str(e)})
diff --git a/tests/skills/test_comfyui_skill.py b/tests/skills/test_comfyui_skill.py
index f9ef33709c..b1b3e74b55 100644
--- a/tests/skills/test_comfyui_skill.py
+++ b/tests/skills/test_comfyui_skill.py
@@ -28,6 +28,13 @@ _ENCODING_SENSITIVE_READS = [
     ("hardware_check.py", 'with open("/proc/meminfo", "r", encoding="utf-8") as fh:'),
     ("run_workflow.py", 'with open(schema_path, encoding="utf-8-sig") as f:'),
     ("run_workflow.py", 'with wf_path.open(encoding="utf-8-sig") as f:'),
+    # Sibling call paths: every other script that parses a user-authored
+    # workflow JSON reads it the same BOM-tolerant way (same bug class).
+    ("auto_fix_deps.py", 'wf_path.open(encoding="utf-8-sig")'),
+    ("check_deps.py", 'wf_path.open(encoding="utf-8-sig")'),
+    ("extract_schema.py", 'wf_path.open(encoding="utf-8-sig")'),
+    ("health_check.py", 'wf_path.open(encoding="utf-8-sig")'),
+    ("run_batch.py", 'wf_path.open(encoding="utf-8-sig")'),
 ]