build(deps): bump openai from 6.38.0 to 6.39.0

Bumps [openai](https://github.com/openai/openai-node) from 6.38.0 to 6.39.0.
- [Release notes](https://github.com/openai/openai-node/releases)
- [Changelog](https://github.com/openai/openai-node/blob/master/CHANGELOG.md)
- [Commits](openai/openai-node@v6.38.0...v6.39.0)

---
updated-dependencies:
- dependency-name: openai
  dependency-version: 6.39.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -62,7 +62,7 @@
     "dotenv": "^17.4.2",
     "likec4": "^1.57.0",
     "minimatch": "^10.2.5",
-    "openai": "^6.38.0",
+    "openai": "^6.39.0",
     "zod": "^4.4.3"
   },
   "devDependencies": {