change display to match checkpoint view diff before and after lines.

Author: hannesrudolph

src/core/prompts/responses.ts

@@ -177,7 +177,9 @@ Otherwise, if you have not completed the task and do not need additional informa
 
 	createPrettyPatch: (filename = "file", oldStr?: string, newStr?: string) => {
 		// strings cannot be undefined or diff throws exception
-		const patch = diff.createPatch(filename.toPosix(), oldStr || "", newStr || "")
+		const patch = diff.createPatch(filename.toPosix(), oldStr || "", newStr || "", undefined, undefined, {
+			context: 3,
+		})
 		const lines = patch.split("\n")
 		const prettyPatchLines = lines.slice(4)
 		return prettyPatchLines.join("\n")