PR #21875 runtime verification main: 84ad7aef6a PR: ac9d29c11ad1dbf156501f94ce2c6ea7038db30a Linux x64; Node 24.22.1; /usr/bin/google-chrome; Playwright 1.60.0 vp i and vp run dev (one at a time, separate isolated homes) Created project via web client; Codex gpt-6.1-sol generated tracked files, untracked files, rename and commits. main: 17 successful file requests pr: 17 successful file requests Combined preview truncated at 120000 bytes; 17 lazy file reads through real web client and WebSocket RPC. All 17 individual patch SHA-256 hashes match main. Main: 17 path-filtered ls-files calls, each preparing one file. PR: 15 path-filtered ls-files calls; two calls prepared two paths together. Observed per-file request interval: main 1094ms; PR 2454ms. Single cold runs, not a stable performance comparison. No speedup established. Fresh Codex edits: tracked module-12 and untracked new-04 both 241 lines; client rendered fresh-runtime-check at line 241 of new-04. Neighbor checks: Changes vs main, large commit 0d00975919fca84b283cf56a3434368fd17a2ab0 preview, Uncommitted with whitespace hidden/shown/hidden. Focused remote check: cd apps/server && vp test run src/vcs/GitVcsDriverCore.test.ts -t 'review diff previews' 44 passed, 177 outside scope skipped. No source edits. Native/mobile/remote/tunnel and other providers not exercised.