fix: propagate deprecated field in agent merge and show description in dialog

packages/opencode/src/agent/agent.ts

@@ -383,6 +383,7 @@ export namespace Agent {
       item.mode = value.mode ?? item.mode
       item.color = value.color ?? item.color
       item.hidden = value.hidden ?? item.hidden
+      item.deprecated = value.deprecated ?? item.deprecated
       item.name = value.name ?? item.name
       item.steps = value.steps ?? item.steps
       item.options = mergeDeep(item.options, value.options ?? {})

packages/opencode/src/cli/cmd/tui/component/dialog-agent.tsx

@@ -13,7 +13,8 @@ export function DialogAgent() {
         value: item.name,
         title: item.displayName ?? item.name, // kilocode_change
         description:
-          [item.deprecated && "deprecated", item.native && "native"].filter(Boolean).join(", ") || item.description,
+          [item.deprecated && "deprecated", item.native && "native", item.description].filter(Boolean).join(", ") ||
+          undefined,
       }
     }),
   )