feat: persist thinking blocks display to KV and indicate its current display state in the command_list (resolves #4582) (#4810)

Co-authored-by: GitHub Action <action@github.com>
Co-authored-by: opencode-agent[bot] <opencode-agent[bot]@users.noreply.github.com>
Co-authored-by: rekram1-node <rekram1-node@users.noreply.github.com>
Co-authored-by: Aiden Cline <aidenpcline@gmail.com>

packages/opencode/src/cli/cmd/tui/component/prompt/autocomplete.tsx

@@ -239,7 +239,7 @@ export function Autocomplete(props: {
         },
         {
           display: "/thinking",
-          description: "toggle thinking blocks",
+          description: "toggle thinking visibility",
           onSelect: () => command.trigger("session.toggle.thinking"),
         },
       )