fix(redesign): preserve compact answer line breaks

[HomenShum]

Visual production finding

The final backend/replay packet passed all text assertions, but the screenshot showed both persisted bullet lines rendered as one paragraph because normal CSS whitespace collapsed the newline.

Fix

• render short answers with pre-wrap in live chat
• render short answers with pre-wrap in reproducible replay
• extend the compact rendering guard for both surfaces

Verification

• focused response-shape renderer guard
• npx tsc --noEmit --pretty false
• npm run build

CI-gated squash merge only. Final proof will reload the existing production receipt; no additional paid model call is necessary.

[vercel]

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Project	Deployment	Actions	Updated (UTC)
nodebench-ai	Ready	Preview, Comment	Jul 16, 2026 8:28pm

[github-actions]

✅ Dogfood Visual QA Gate: PASSED

Check	Status
Screenshots	23 captured (pass)
Walkthrough	9 chapters (pass)
Key Frames	9 extracted (pass)
Scribe Steps	8 how-to steps (pass)
Build	success

Artifacts

Download the dogfood-evidence-0609266 artifact from the Actions tab for full screenshots, frames, and walkthrough video.

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Generated by Dogfood QA Gate

[github-actions]

Demo: walkthrough of the surfaces this PR changed is available as a workflow artifact (pr-demo-555) at https://github.com/HomenShum/NodeBenchAI/actions/runs/29532520353