docs: fix type errors in code examples

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: vdusek

docs/02_concepts/code/02_request_list.py

@@ -17,7 +17,8 @@ async def main() -> None:
             request_list_sources_input=request_list_sources,
         )
 
-        Actor.log.info(f'Loaded {len(request_list.requests)} requests from input')
+        total = await request_list.get_total_count()
+        Actor.log.info(f'Loaded {total} requests from input')
 
         # Process requests from the list
         while request := await request_list.fetch_next_request():

docs/02_concepts/code/04_use_state.py

@@ -14,7 +14,7 @@ async def main() -> None:
         Actor.log.info(f'Resuming from item {start_index}')
 
         # Do some work and update the state — it is persisted automatically
-        for i in range(start_index, 100):
+        for i in range(start_index, 100):  # type: ignore[arg-type]
             Actor.log.info(f'Processing item {i}...')
             state['processed_items'] = i + 1
             await asyncio.sleep(0.1)