fix(config): accept $schema key in root config (#15280)

* fix(config): accept $schema key in root config (#14998)

* fix: strip $schema via preprocess to avoid spurious UI section

* fix(config): allow root  without zod preprocess wrapper

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Co-authored-by: Peter Steinberger <steipete@gmail.com>

src/config/zod-schema.ts

@@ -95,6 +95,7 @@ const MemorySchema = z
 
 export const OpenClawSchema = z
   .object({
+    $schema: z.string().optional(),
     meta: z
       .object({
         lastTouchedVersion: z.string().optional(),