fix(ide): apply package commit to existing runtime and record actual installed revision

apps/desktop/electron/main.ts

@@ -4597,6 +4597,7 @@ function writeBootstrapMarker(payload) {
   const merged = {
     schemaVersion: BOOTSTRAP_MARKER_SCHEMA_VERSION,
     pinnedCommit: payload.pinnedCommit || null,
+    packageCommit: payload.packageCommit || null,
     pinnedBranch: payload.pinnedBranch || null,
     completedAt: new Date().toISOString(),
     desktopVersion: app.getVersion()