Fix bootcamp and webinar action buttons

Bootcamp fixes:
- Change "Sudah Selesai" to "Selesai" (shorter, cleaner)
- Replace "Selanjutnya" button with "Beri Ulasan" when all lessons completed
- Makes more sense than "Lanjutkan" when there's nothing to continue

Webinar fixes:
- Check if webinar has ended based on event_start date
- Only show "Gabung Webinar" button if webinar hasn't ended AND has meeting link
- Show "Rekaman segera tersedia" badge for passed webinars without recording
- Only show recording player/video if recording_url exists

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

src/pages/Bootcamp.tsx

@@ -408,22 +408,29 @@ export default function Bootcamp() {
                   {isLessonCompleted(selectedLesson.id) ? (
                     <>
                       <Check className="w-4 h-4 mr-2" />
-                      Sudah Selesai
+                      Selesai
                     </>
                   ) : (
                     'Tandai Selesai'
                   )}
                 </Button>
 
-                <Button
-                  variant="outline"
-                  onClick={goToNextLesson}
-                  disabled={modules.flatMap(m => m.lessons).findIndex(l => l.id === selectedLesson.id) === modules.flatMap(m => m.lessons).length - 1}
-                  className="border-2"
-                >
-                  Selanjutnya
-                  <ChevronRight className="w-4 h-4 ml-2" />
-                </Button>
+                {isBootcampCompleted ? (
+                  <Button onClick={() => setReviewModalOpen(true)} className="shadow-sm">
+                    <Star className="w-4 h-4 mr-2" />
+                    Beri Ulasan
+                  </Button>
+                ) : (
+                  <Button
+                    variant="outline"
+                    onClick={goToNextLesson}
+                    disabled={modules.flatMap(m => m.lessons).findIndex(l => l.id === selectedLesson.id) === modules.flatMap(m => m.lessons).length - 1}
+                    className="border-2"
+                  >
+                    Selanjutnya
+                    <ChevronRight className="w-4 h-4 ml-2" />
+                  </Button>
+                )}
               </div>
 
               {/* Bootcamp completion review prompt */}