fix(ops): restore the ops/client subpath and IngressRoute.ingressClassName

[pyramation]

Summary

Two regressions in the published @kubernetesjs/ops@1.2.1, both found by typechecking constructive-db against it.

1. @kubernetesjs/ops/client disappeared. #40 deleted packages/ops/src/client.ts because the generated index no longer imports it — but the file was also a public entry point, so constructive-db's reconciler broke with TS2307: Cannot find module '@kubernetesjs/ops/client'. The file comes back as a re-export only, so the transport still lives once, in kubernetesjs:

export * from 'kubernetesjs/client';

The generated index keeps importing kubernetesjs/client directly (unchanged codegen config); nothing routes through the shim except consumers that already imported that subpath.

2. IngressRoute.spec.ingressClassName is missing from the generated types. Traefik added it in traefik/traefik#12313, but scripts/swagger.json is a snapshot of one cluster's CRDs, and that cluster ran an older Traefik — so ops@1.1.0 had the field (its snapshot came from a newer cluster) and 1.2.1 silently dropped it, breaking spec.ingressClassName = … in the reconciler's http-route handler. Rather than depend on which cluster the spec was last fetched from, codegen now pins the field:

patchedSchema.definitions['io.traefik.v1alpha1.IngressRoute'].properties.spec
  .properties.ingressClassName = { type: 'string', description: … };

Like the existing IntOrString patch, this is idempotent and survives a re-fetch of the spec from either an older or a newer cluster.

Regenerated output is exactly one added line (ingressClassName?: string; on TraefikIoV1alpha1IngressRoute); pnpm build and pnpm lint pass, and dist/client.{js,d.ts} is emitted again so the subpath resolves in the published tarball.

Link to Devin session: https://app.devin.ai/sessions/95f4ed628067485ebab80535c50d6e88
Requested by: @pyramation

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[tenki-reviewer]

Review complete. No issues found — approved ✅.

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This PR extends the generated Traefik IngressRoute type with an optional ingressClassName field and adds a small client re-export module.

Files	Change
packages/ops/scripts/codegen.ts	Adds a codegen patch that injects an optional ingressClassName string property into the IngressRoute spec schema when regenerating the client.
packages/ops/src/index.ts	Regenerated output adding ingressClassName?: string to the TraefikIoV1alpha1IngressRoute interface.
packages/ops/src/client.ts	New barrel re-exporting from kubernetesjs/client, mirroring existing usage in the generated entry point.

The only candidate finding (a low-confidence suggestion to guard the injection against an already-present field) fell below the confidence threshold and was not retained.

_{Reviewed commit: 01aa7b4}