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Maxim
836e7c786f
The matrix covered the declared floor (0.0.42) and the newest release (0.0.44) but skipped 0.0.43 — the only still-supported version that reproduces the failure this PR fixes. 0.0.43's `LangGraphAgent.clone()` passes its three behavior flags to `type(self)(...)` unconditionally, so a subclass with a closed signature raises TypeError on the default construction path — a 500 on every request, since the FastAPI endpoint clones per request. 0.0.44's `clone()` is signature-aware and omits default-valued flags a subclass cannot accept, which means the clone tests pass on 0.0.44 even with the `**kwargs` passthrough removed. The `emit_raw_events=False` test still guards option reachability there, but nothing in the matrix reproduced the default-construction 500 itself. Verified locally against 0.0.43: all four clone tests pass with the passthrough and all four fail without it, so the leg is a real guard. One representative Python (3.12) via `matrix.include` rather than a third full column — the flag forwarding it exercises is not version-specific, so this adds one leg, not five. Installed in the leg rather than declared, so the runtime floor stays at 0.0.42 and the effective LangGraph floor stays at >=0.3.25 for consumers. Also corrects the `test_agui_agent_clone.py` module docstring, which claimed CI exercised 0.0.42 and 0.0.43 while the workflow installed 0.0.42 and 0.0.44. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>