first commit

services/tips/tipHistory.ts

@@ -0,0 +1,17 @@
+import { getGlobalConfig, saveGlobalConfig } from '../../utils/config.js'
+
+export function recordTipShown(tipId: string): void {
+  const numStartups = getGlobalConfig().numStartups
+  saveGlobalConfig(c => {
+    const history = c.tipsHistory ?? {}
+    if (history[tipId] === numStartups) return c
+    return { ...c, tipsHistory: { ...history, [tipId]: numStartups } }
+  })
+}
+
+export function getSessionsSinceLastShown(tipId: string): number {
+  const config = getGlobalConfig()
+  const lastShown = config.tipsHistory?.[tipId]
+  if (!lastShown) return Infinity
+  return config.numStartups - lastShown
+}