feat: #2247 add RunResult tool_context accessor for agent tools#2575
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feat: #2247 add RunResult tool_context accessor for agent tools#2575
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This pull request adds a typed
RunResult.tool_contextconvenience accessor for nested agent-tool runs socustom_output_extractorimplementations can inspectToolContextmetadata without a cast. The change keeps the existingRunResultandRunResultStreamingconstructor shapes intact by adding the accessor on the sharedRunResultBase, which keeps the release risk low while improving mypy ergonomics for agent-as-tool integrations.It also updates the agent-as-tool tests to cover both non-streaming and streaming extractor access to
tool_context, and documents the new extractor pattern indocs/tools.md. Behavior is unchanged for normal runs:tool_contextisNoneunless the run was started throughAgent.as_tool(...).Resolves #2247