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skills/langgraph-master/05_advanced_features_overview.md

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+# 05. Advanced Features
+
+Advanced features and implementation patterns.
+
+## Overview
+
+By leveraging LangGraph's advanced features, you can build more sophisticated agent systems.
+
+## Key Features
+
+### 1. [Human-in-the-Loop (Approval Flow)](05_advanced_features_human_in_the_loop.md)
+
+Pause graph execution and request human intervention:
+- Dynamic interrupt
+- Static interrupt
+- Approval, editing, and rejection flows
+
+### 2. [Streaming](05_advanced_features_streaming.md)
+
+Monitor progress in real-time:
+- LLM token streaming
+- State update streaming
+- Custom event streaming
+
+### 3. [Map-Reduce (Parallel Processing Pattern)](05_advanced_features_map_reduce.md)
+
+Parallel processing of large datasets:
+- Dynamic worker generation with Send API
+- Result aggregation with Reducers
+- Hierarchical parallel processing
+
+## Feature Comparison
+
+| Feature | Use Case | Implementation Complexity |
+|---------|----------|--------------------------|
+| Human-in-the-Loop | Approval flows, quality control | Medium |
+| Streaming | Real-time monitoring, UX improvement | Low |
+| Map-Reduce | Large-scale data processing | High |
+
+## Combination Patterns
+
+### Human-in-the-Loop + Streaming
+
+```python
+# Stream while requesting approval
+for chunk in graph.stream(input, config, stream_mode="values"):
+    print(chunk)
+
+    # Pause at interrupt
+    if chunk.get("__interrupt__"):
+        approval = input("Approve? (y/n): ")
+        graph.invoke(None, config, resume=approval == "y")
+```
+
+### Map-Reduce + Streaming
+
+```python
+# Stream progress of parallel processing
+for chunk in graph.stream(
+    {"items": large_dataset},
+    stream_mode="updates",
+    subgraphs=True  # Also show worker progress
+):
+    print(f"Progress: {chunk}")
+```
+
+## Next Steps
+
+For details on each feature, refer to the following pages:
+
+- [05_advanced_features_human_in_the_loop.md](05_advanced_features_human_in_the_loop.md) - Implementation of approval flows
+- [05_advanced_features_streaming.md](05_advanced_features_streaming.md) - How to use streaming
+- [05_advanced_features_map_reduce.md](05_advanced_features_map_reduce.md) - Map-Reduce pattern