refactor(desktop): making terminal state and cache to be scoped by the server key and dir#17596

OpeOginni wants to merge 3 commits intoanomalyco:devanomalyco/opencode:devfrom

OpeOginni:refactor/server-scoped-terminal-cacheOpeOginni/opencode:refactor/server-scoped-terminal-cacheCopy head branch name to clipboard