[giauphan]

💡 What: Optimized the topological sort in the trace_feature_flow tool by pre-calculating an outgoingEdgesMap.
🎯 Why: Previously, the algorithm iterated over all dedupLinks to find outgoing edges for every node processed in the queue, resulting in an O(V*E) time complexity. By pre-calculating the adjacency list, the lookup becomes O(1), improving the overall topological sort complexity to O(V+E).
📊 Impact: Significantly speeds up feature flow generation for complex traces with many nodes and edges.
🔬 Measurement: Verify by executing pnpm test and observing performance on large MCP graph queries.

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PR created automatically by Jules for task 12173890287523833413 started by @giauphan

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