Use .ts relative import in webui server for pi's check:ts-imports policy
and regenerate image-models.generated.ts to remove duplicate model keys.
Co-authored-by: Cursor <cursoragent@cursor.com>
Use exact versions in webui frontend package.json to satisfy the
monorepo pinned dependency policy enforced by GitHub Actions.
Co-authored-by: Cursor <cursoragent@cursor.com>