test(hls): [PKG-HLS-SDK-01] capture scoped Firefox native exceptions

refactor/scripts/firefox-process-scope.mjs

@@ -0,0 +1,25 @@
+import path from 'node:path'
+
+// Require a live, unchanged runner and a complete creation-ordered ancestry chain.
+export function selectFirefoxProcesses(rows, root, executable) {
+  const samePath = value => typeof value === 'string' && path.win32.normalize(value).toLowerCase() === path.win32.normalize(executable).toLowerCase()
+  const byId = new Map(rows.map(row => [row.pid, row]))
+  const currentRoot = byId.get(root.pid)
+  if (!currentRoot || !Number.isFinite(Date.parse(root.created)) || currentRoot.created !== root.created || currentRoot.executable !== root.executable)
+    return []
+  return rows.filter((row) => {
+    if (row.pid === root.pid || !samePath(row.executable))
+      return false
+    const seen = new Set([row.pid])
+    let child = row
+    while (child.parent !== root.pid) {
+      const parent = byId.get(child.parent)
+      if (!parent || seen.has(parent.pid) || !samePath(parent.executable) || !Number.isFinite(Date.parse(parent.created)) || Date.parse(parent.created) > Date.parse(child.created))
+        return false
+      seen.add(parent.pid)
+      child = parent
+    }
+    return Number.isFinite(Date.parse(row.created)) && Number.isFinite(Date.parse(child.created))
+      && Date.parse(child.created) >= Date.parse(root.created)
+  })
+}