fix(codemod): keep a file's leading comment block above rewritten imports - #2582

{ "workflowData": { "owner": "modelcontextprotocol", "repo": "typescript-sdk", "sha": "529895d12bb985fb04aab4635a614574a2322015", "ref": "2582", "headBranch": null }, "key": "VsNaZm6ov9", "runId": 36432858037, "webhookDebug": { "action": "requested", "head_branch": "fix/codemod-preserve-file-header", "head_repository_full_name": "axits-lab/typescript-sdk", "full_name": "modelcontextprotocol/typescript-sdk", "isPullRequest": true, "prNumber": 2582, "prNumberType": "number", "isNewPullRequest": true, "isOldPullRequest": false, "prKey": "axits-lab/typescript-sdk:fix/codemod-preserve-file-header", "oldPrDataHash": "MMIlEH9W6A", "lookupKey": "axits-lab/typescript-sdk:fix/codemod-preserve-file-header", "data": { "owner": "modelcontextprotocol", "repo": "typescript-sdk", "sha": "529895d12bb985fb04aab4635a614574a2322015", "ref": "2582", "headBranch": null } }, "currentCursor": { "sha": "4afd7e4e1f9589d8ad047d589cb99aa243300b75", "timestamp": 30546762044 }, "pkgPrNewVersion": "0.0.88" }