feat: add generated scene skill platform hardening

src/security/mac_policy.rs

@@ -196,13 +196,10 @@ fn normalize_local_dashboard_path(raw: &str) -> String {
 }
 
 fn normalize_local_dashboard_file_url(raw: &str) -> Result<String, SecurityError> {
-    let path = raw
-        .trim()
-        .strip_prefix("file:///")
-        .ok_or_else(|| {
-            SecurityError::InvalidLocalDashboard(
-                "local dashboard presentation_url must be file:///".to_string(),
-            )
-        })?;
+    let path = raw.trim().strip_prefix("file:///").ok_or_else(|| {
+        SecurityError::InvalidLocalDashboard(
+            "local dashboard presentation_url must be file:///".to_string(),
+        )
+    })?;
     Ok(normalize_local_dashboard_path(path))
 }