diff --git a/assets/oh-my-opencode.schema.json b/assets/oh-my-opencode.schema.json
index 7ab3a9d01..3cdf6b6c4 100644
--- a/assets/oh-my-opencode.schema.json
+++ b/assets/oh-my-opencode.schema.json
@@ -4267,9 +4267,6 @@
           "type": "boolean"
         }
       },
-      "required": [
-        "tdd"
-      ],
       "additionalProperties": false
     },
     "comment_checker": {
diff --git a/src/config/schema/sisyphus-agent.ts b/src/config/schema/sisyphus-agent.ts
index 6b15b1188..be08dda87 100644
--- a/src/config/schema/sisyphus-agent.ts
+++ b/src/config/schema/sisyphus-agent.ts
@@ -5,7 +5,7 @@ export const SisyphusAgentConfigSchema = z.object({
   default_builder_enabled: z.boolean().optional(),
   planner_enabled: z.boolean().optional(),
   replace_plan: z.boolean().optional(),
-  tdd: z.boolean().default(true),
+  tdd: z.boolean().default(true).optional(),
 })
 
 export type SisyphusAgentConfig = z.infer<typeof SisyphusAgentConfigSchema>