fix(subagents): restore configurable announce timeout

Co-authored-by: Valadon <20071960+Valadon@users.noreply.github.com>

src/config/types.agent-defaults.ts

@@ -247,6 +247,8 @@ export type AgentDefaultsConfig = {
     model?: AgentModelConfig;
     /** Default thinking level for spawned sub-agents (e.g. "off", "low", "medium", "high"). */
     thinking?: string;
+    /** Gateway timeout in ms for sub-agent announce delivery calls (default: 60000). */
+    announceTimeoutMs?: number;
   };
   /** Optional sandbox settings for non-main sessions. */
   sandbox?: AgentSandboxConfig;

src/config/zod-schema.agent-defaults.ts

@@ -164,6 +164,7 @@ export const AgentDefaultsSchema = z
         archiveAfterMinutes: z.number().int().positive().optional(),
         model: AgentModelSchema.optional(),
         thinking: z.string().optional(),
+        announceTimeoutMs: z.number().int().positive().optional(),
       })
       .strict()
       .optional(),