feat: LangGraph adapter with per-tool governance#114
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saurabhjain1592 merged 4 commits intomainfrom Mar 16, 2026
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Add LangGraphAdapter class with builder pattern and AutoCloseable for wrapping LangGraph workflows with AxonFlow governance gates. Provides per-tool governance via checkToolGate()/toolCompleted() and MCP policy enforcement via mcpToolInterceptor(). 12 source files, 47 tests.
- waitForApproval now uses System.nanoTime() for accurate wall-clock timeout instead of accumulating sleep durations - Builder.source() rejects null with Objects.requireNonNull - Add thread-safety Javadoc: adapter is not thread-safe
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Summary
LangGraphAdapterclass (builder pattern, AutoCloseable) with per-tool governance, MCP interceptor, 12 source filesTest plan
mvn compilepassesmvn test -Dtest=LangGraphAdapterTest)LangGraphToolsExample.javapasses against live Docker (5 steps, trace_id preserved)