gen_lesson_figures prints prompt/completion tokens

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

content/management/commands/gen_lesson_figures.py

@@ -54,7 +54,7 @@ class Command(BaseCommand):
             raise CommandError('درسی پیدا نشد.')
         model = chat_model_for('')
         client = clients.get_openai_client()
-        spent = 0
+        spent = prompt_t = out_t = 0
         for lesson in lessons:
             body = (f'عنوان: {lesson.title}\nتوضیح: {lesson.intro_text}\nمثال: {lesson.example}\n'
                     + '\n'.join(f'قدم {i}: {s}' for i, s in enumerate(lesson.steps or [])))
@@ -64,6 +64,8 @@ class Command(BaseCommand):
                           {'role': 'user', 'content': body}])
             u = getattr(r, 'usage', None)
             spent += (getattr(u, 'total_tokens', 0) or 0)
+            prompt_t += (getattr(u, 'prompt_tokens', 0) or 0)
+            out_t += (getattr(u, 'completion_tokens', 0) or 0)
             raw = re.sub(r'^```(?:json)?|```$', '', (r.choices[0].message.content or '').strip()).strip()
             try:
                 start = raw.index('[')
@@ -90,4 +92,4 @@ class Command(BaseCommand):
             if figures and not o['dry_run']:
                 lesson.figures = figures
                 lesson.save(update_fields=['figures'])
-        self.stdout.write(f'توکنِ مصرفی: {spent}')
+        self.stdout.write(f'توکنِ مصرفی: {spent} (ورودی {prompt_t}، خروجی {out_t})')