Add Anthropic Claude Sonnet 4.6 support across providers#11509

hannesrudolph merged 2 commits intoRooCodeInc:mainRooCodeInc/Roo-Code:mainfrom

PeterDaveHello:feat/claude-sonnet-4-6-supportPeterDaveHello/Roo-Code:feat/claude-sonnet-4-6-supportCopy head branch name to clipboard