Polish Novya UI with brand colors, first-load skeletons, and session transition overlay.

Keep chat pinned to the latest message while AI thinks or streams, and align buttons/inputs with the logo teal/blue focus treatment.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/services/programService.ts

@@ -312,7 +312,10 @@ export function isSessionCompleted(userId: string, sessionOrder: number): boolea
  * Check if the entire program is completed.
  */
 export function isProgramCompleted(userId: string): boolean {
-  return getProgramProgress(userId).completedAt !== null;
+  const progress = getProgramProgress(userId);
+  return (
+    progress.completedAt !== null || progress.completedSessions.length >= PROGRAM_SESSION_COUNT
+  );
 }
 
 /**