fix: add npm overrides to align react + react-dom to 19.2.3

react-dom@19.2.7 has a hard peer dep on react@^19.2.7, breaking
npm ci when react is pinned to 19.2.3. npm overrides force both
packages to 19.2.3 so the lock file resolves cleanly.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

package-lock.json

@@ -6748,16 +6748,16 @@
       }
     },
     "node_modules/react-dom": {
-      "version": "19.2.7",
-      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.2.7.tgz",
-      "integrity": "sha512-t0BRVXvbiE/o20Hfw669rLbMCDWtYZLvmJigy2f0MxsXF+71pxhR3xOkspmsO8h3ZlNzyibAmtCa3l4lYKk6gQ==",
+      "version": "19.2.3",
+      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.2.3.tgz",
+      "integrity": "sha512-yELu4WmLPw5Mr/lmeEpox5rw3RETacE++JgHqQzd2dg+YbJuat3jH4ingc+WPZhxaoFzdv9y33G+F7Nl5O0GBg==",
       "license": "MIT",
       "peer": true,
       "dependencies": {
         "scheduler": "^0.27.0"
       },
       "peerDependencies": {
-        "react": "^19.2.7"
+        "react": "^19.2.3"
       }
     },
     "node_modules/react-fast-compare": {