fix(coding-agent/tools): fixed error messages in tools to reference correct scope path variable

- Corrected error messages in ast-edit, ast-grep, grep, and find tools to reference the correct scope path variable instead of incorrect variable names.

packages/coding-agent/src/tools/ast-edit.ts

@@ -145,7 +145,7 @@ export class AstEditTool implements AgentTool<typeof astEditSchema, AstEditToolD
 				const stat = await Bun.file(resolvedSearchPath).stat();
 				isDirectory = stat.isDirectory();
 			} catch {
-				throw new ToolError(`Path not found: ${resolvedSearchPath}`);
+				throw new ToolError(`Path not found: ${scopePath}`);
 			}
 
 			const result = await astEdit({