chore: solidify guide P1 snapshot

src/utils/guideTopTabs.ts

@@ -0,0 +1,18 @@
+export type GuideTopTab = 'guide' | 'explain'
+
+export const GUIDE_TOP_TABS: Array<{ id: GuideTopTab; label: string }> = [
+  { id: 'guide', label: '导览' },
+  { id: 'explain', label: '讲解' }
+]
+
+export const isGuideTopTab = (value: unknown): value is GuideTopTab => {
+  return value === 'guide' || value === 'explain'
+}
+
+export const guideTopTabUrl = (tab: GuideTopTab) => `/pages/index/index?tab=${tab}`
+
+export const navigateToGuideTopTab = (tab: GuideTopTab) => {
+  uni.reLaunch({
+    url: guideTopTabUrl(tab)
+  })
+}