Same fix pattern #7049 already applied to `dashboard`: dropping the Commander default `20128` on `restart --port` lets `opts.port` stay undefined so `runServe()`s `opts.port ?? process.env.PORT ?? "20128"` fallback can actually reach `PORT`. 3 files, +36/-1.
Thanks, @datrixlab — matching the existing precedent instead of inventing a new mechanism made this trivial to review.
**Batch validation** — boarded with the other 10 PRs of your batch into one worktree cut from `release/v3.8.51`; every PR verified as an ancestor of the combined HEAD before validating.
- Focused tests across all 11 PRs: **104/104 pass** on the combined tree.
- Gates on the combined tree: `check-changelog-integrity` PASS, `check-complexity` PASS, `check-cognitive-complexity` PASS, `typecheck:core` PASS, `check:open-sse-typecheck` PASS.
- `check-file-size` is red, but reproduces with byte-identical line counts on the pure `release/v3.8.51` tip (`open-sse/handlers/imageGeneration.ts` 3304, `open-sse/services/combo/roundRobinCombo.ts` 1221, `open-sse/utils/stream.ts` 3115). Inherited base-red, nothing added by this batch — it is also why this PR's "Fast Quality Gates" check was red.
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