AST + LLM Automate Legacy Refactoring: Strangler Pattern Achieves 72% Decoupling Automation

AsiaInfo's AST-guided LLM agent automates legacy Java refactoring via strangler pattern, identifying leaf modules through static analysis, generating clean architecture code with sandbox-verified unit tests, and routing traffic gradually, achieving 72% decoupling automation and cutting regression faults from 4.8% to 0.3% in a 124k-line BSS module.

ASTLLMgray release

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