fix(channels): keep channel system prompt byte-stable for prefix caching (#6360)#8174

wangmiao0668000666 wants to merge 1 commit into

zeroclaw-labs:masterzeroclaw-labs/zeroclaw:masterfrom

wangmiao0668000666:fix/issue-6360-prompt-cache-stabilitywangmiao0668000666/zeroclaw:fix/issue-6360-prompt-cache-stabilityCopy head branch name to clipboard