diff --git a/assets/oh-my-opencode.schema.json b/assets/oh-my-opencode.schema.json
index 2743f924..52559dd4 100644
--- a/assets/oh-my-opencode.schema.json
+++ b/assets/oh-my-opencode.schema.json
@@ -69,7 +69,6 @@
           "agent-usage-reminder",
           "non-interactive-env",
           "interactive-bash-session",
-          "empty-message-sanitizer",
           "thinking-block-validator",
           "ralph-loop",
           "compaction-context-injector",
@@ -2394,6 +2393,10 @@
             "type": "number",
             "minimum": 1
           }
+        },
+        "staleTimeoutMs": {
+          "type": "number",
+          "minimum": 60000
         }
       }
     },
diff --git a/src/config/schema.ts b/src/config/schema.ts
index 290b5cc2..df16d886 100644
--- a/src/config/schema.ts
+++ b/src/config/schema.ts
@@ -282,6 +282,8 @@ export const BackgroundTaskConfigSchema = z.object({
   defaultConcurrency: z.number().min(1).optional(),
   providerConcurrency: z.record(z.string(), z.number().min(1)).optional(),
   modelConcurrency: z.record(z.string(), z.number().min(1)).optional(),
+  /** Stale timeout in milliseconds - interrupt tasks with no activity for this duration (default: 180000 = 3 minutes, minimum: 60000 = 1 minute) */
+  staleTimeoutMs: z.number().min(60000).optional(),
 })
 
 export const NotificationConfigSchema = z.object({