feat(python): ScriptedTool bindings + LangChain integration#219
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- Add ScriptedTool Python class wrapping Rust ScriptedTool via PyO3 - add_tool() registers Python callbacks as bash builtins - Callbacks receive (params: dict, stdin: str | None) -> str - JSON<->Python conversion for typed flag parsing (int, bool, str) - execute/execute_sync run bash scripts with all registered tools - Introspection: system_prompt(), help(), description(), schemas - Add ScriptedToolLangChain wrapper and create_scripted_tool() factory - Add k8s_orchestrator.py example: 12 fake kubectl commands, 6 demos - get_nodes, get_namespaces, get_pods, get_deployments, get_services - describe_pod, get_logs, get_configmaps, get_secrets, get_events - scale_deployment, rollout_status - Optional LangChain ReAct agent integration (--langchain flag) - Add 26 Python tests covering construction, execution, pipelines, jq integration, error handling, stdin, env vars, loops, conditionals, async, introspection, and 12-tool orchestration - Enable scripted_tool feature in bashkit-python Cargo.toml - Update type stubs and __init__.py exports https://claude.ai/code/session_0117wzNc2aRc5chtBgfwgdCd
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Summary
(params: dict, stdin: str | None)with typed flag parsing (integers, booleans, strings coerced per JSON schema).ScriptedToolLangChainwrapper +create_scripted_tool()factory for use with LangChain ReAct agents.--langchainflag for ReAct agent demo.Test plan
cargo fmt --checkpassescargo clippy --all-targets --all-features -- -D warningspassescargo test --all-featurespasses (68 passed)ruff check+ruff format --checkpassespytest tests/ -vpasses (47 tests: 21 existing + 26 new)python examples/k8s_orchestrator.pyruns and prints correct output for all 6 demos