chore(quality): ratchet Oxlint, React Doctor, and Zustand performance (#11034)

* chore(quality): ratchet lint and Zustand performance

* fix(ci): stabilize React peer lock snapshot

* fix(ci): isolate PR diff and React Doctor CLI

config/scripts/git-pull-request-diff-base.mjs

@@ -0,0 +1,23 @@
+import { execFileSync } from 'node:child_process'
+import process from 'node:process'
+
+export function selectPullRequestDiffBase(requestedBase, headParents, eventName) {
+  if (eventName === 'pull_request' && headParents.length >= 2) {
+    return headParents[0]
+  }
+  return requestedBase
+}
+
+export function resolvePullRequestDiffBase(
+  root,
+  requestedBase,
+  eventName = process.env.GITHUB_EVENT_NAME
+) {
+  const [, ...headParents] = execFileSync('git', ['rev-list', '--parents', '-n', '1', 'HEAD'], {
+    cwd: root,
+    encoding: 'utf8'
+  })
+    .trim()
+    .split(/\s+/)
+  return selectPullRequestDiffBase(requestedBase, headParents, eventName)
+}