只有hello包实现多跳，还没加入业务数据

具体的还要看opencode和gpt记录接着优化

sim/analysis_tools/__init__.py

@@ -0,0 +1,26 @@
+"""Analysis tools module."""
+
+from sim.analysis_tools.topology import export_topology_json, analyze_parent_tree
+from sim.analysis_tools.convergence import (
+    calculate_convergence_time,
+    analyze_route_stability,
+)
+from sim.analysis_tools.channel_analysis import (
+    analyze_channel_utilization,
+    get_network_state,
+)
+from sim.analysis_tools.reliability_analysis import (
+    analyze_loss_breakdown,
+    calculate_pdr_metrics,
+)
+
+__all__ = [
+    "export_topology_json",
+    "analyze_parent_tree",
+    "calculate_convergence_time",
+    "analyze_route_stability",
+    "analyze_channel_utilization",
+    "get_network_state",
+    "analyze_loss_breakdown",
+    "calculate_pdr_metrics",
+]