fix(runner): server tool results, mixed-tool execution, thought_signature passthrough#45

Windsor Nguyễn (windsornguyen) merged 5 commits intonextdedalus-labs/dedalus-sdk-python:nextfrom

fix/gemini-thought-signature-passthroughdedalus-labs/dedalus-sdk-python:fix/gemini-thought-signature-passthroughCopy head branch name to clipboard