fix(windows): detach child process to prevent taskkill /F /IM node.exe from killing opencode#26127

Sanjay-doppalapudi wants to merge 2 commits into

anomalyco:devanomalyco/opencode:devfrom

Sanjay-doppalapudi:fix/windows-taskkill-node-processSanjay-doppalapudi/opencode:fix/windows-taskkill-node-processCopy head branch name to clipboard