Apply suggestions from code review

Co-authored-by: Copilot <[email protected]>

Author: gnidan

packages/format/src/types/program/context.ts

@@ -96,7 +96,7 @@ export namespace Context {
     gather: Context[];
   }
 
-  export const isGather = (value: unknown): value is Pick =>
+  export const isGather = (value: unknown): value is Gather =>
     typeof value === "object" && !!value &&
       "gather" in value && value.gather instanceof Array &&
       value.gather.every(isContext);

schemas/program/context/frame.schema.yaml

@@ -12,10 +12,6 @@ properties:
   frame:
     title: Relevant compilation frame
     type: string
-    items:
-      $ref: "schema:ethdebug/format/program/context"
-    minItems: 2
-    additionalItems: false
 required:
   - frame