fix(web): remove negative margin from agent button

[zacksmash]

Summary

• remove the -mx-1 class from the agent spawn CTA button
• keep the shared web and desktop renderer button aligned with the surrounding timeline content

Why

The negative horizontal margin extended the button beyond its containing content. Removing it preserves the existing internal padding and behavior while correcting the alignment.

User impact

The agent button now follows the container's horizontal bounds in both the web and desktop apps. Desktop bundles this web client, so no desktop-specific component change is needed. There is no interaction or behavior change.

Validation

• git diff --check upstream/main...HEAD
• pre-commit vp fmt

Generated by GPT-5.6 via Codex in T3 Code.

Note

Remove negative horizontal margin from agent spawn CTA button

Removes the -mx-1 Tailwind class from the AgentSpawnCtaRow button in MessagesTimeline.tsx, correcting its horizontal alignment within its container.

^{Macroscope summarized 17de002.}

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Note

Low Risk
Single-class CSS tweak with no logic or behavior changes.

Overview
Removes the -mx-1 Tailwind class from the AgentSpawnCtaRow button in MessagesTimeline.tsx so the agent spawn CTA no longer bleeds past the timeline content column horizontally.

Padding, click behavior, and status copy are unchanged; only layout alignment with sibling timeline rows is corrected for web and desktop (shared client).

^{Reviewed by Cursor Bugbot for commit 17de002. Bugbot is set up for automated code reviews on this repo. Configure here.}

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[macroscopeapp]

Approvability

Verdict: Approved 49b1643

This is a trivial CSS change removing a negative margin class (-mx-1) from a button. It affects only visual layout with no logic or runtime behavior changes.

^{You can customize Macroscope's approvability policy. Learn more.}

[t3-code]

closing as already addressed. Its exact one-line patch merged in #7207.