wip: new release modal

- highlight key updates or new features
- needs some transition love
- all copy including text and video placeholder

packages/app/src/lib/release-notes.ts

@@ -0,0 +1,53 @@
+import { CURRENT_RELEASE } from "@/components/dialog-release-notes"
+
+const STORAGE_KEY = "opencode:last-seen-version"
+
+// ============================================================================
+// DEV MODE: Set this to true to always show the release notes modal on startup
+// Set to false for production behavior (only shows after updates)
+// ============================================================================
+const DEV_ALWAYS_SHOW_RELEASE_NOTES = true
+
+/**
+ * Check if release notes should be shown
+ * Returns true if:
+ * - DEV_ALWAYS_SHOW_RELEASE_NOTES is true (for development)
+ * - OR the current version is newer than the last seen version
+ */
+export function shouldShowReleaseNotes(): boolean {
+  if (DEV_ALWAYS_SHOW_RELEASE_NOTES) {
+    console.log("[ReleaseNotes] DEV mode: always showing release notes")
+    return true
+  }
+
+  const lastSeen = localStorage.getItem(STORAGE_KEY)
+  if (!lastSeen) {
+    // First time user - show release notes
+    return true
+  }
+
+  // Compare versions - show if current is newer
+  return CURRENT_RELEASE.version !== lastSeen
+}
+
+/**
+ * Mark the current release notes as seen
+ * Call this when the user closes the release notes modal
+ */
+export function markReleaseNotesSeen(): void {
+  localStorage.setItem(STORAGE_KEY, CURRENT_RELEASE.version)
+}
+
+/**
+ * Get the current version
+ */
+export function getCurrentVersion(): string {
+  return CURRENT_RELEASE.version
+}
+
+/**
+ * Reset the seen status (useful for testing)
+ */
+export function resetReleaseNotesSeen(): void {
+  localStorage.removeItem(STORAGE_KEY)
+}