fix(web): center icons in thread details icon buttons

[RakshithBhat03]

The ⋯ menu next to Lineage drew its hover and open highlight with the dots pushed to the left. The square was 24px wide, but the 14px icon started at its left edge, so it sat about 4px off center.

The icon-button style shared by the thread details panel never set justify-content, so its contents aligned to the start. It now centers them. The same style is used for the Automations settings, edit, and run-now buttons, which had the same offset and are fixed by this change too.

Before	After

Verified with lint on the changed file and by opening the Lineage menu on a real thread in a local dev build. Did not check the Automations buttons in the browser.

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Made by Claude Opus 5.5 in T3 Code through the Claude Code harness.

[macroscopeapp]

Approvability

Verdict: Approved at 2dccc3e

Macroscope's review found this PR approvable — This is a one-line styling adjustment that centers icons in existing thread-detail action buttons. It has no evident impact on application logic, data, APIs, defaults, or infrastructure.

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ℹ️ Recent review info

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📥 Commits

Reviewing files that changed from the base of the PR and between 4ee6bfd and 2dccc3e.

📒 Files selected for processing (1)

• apps/web/src/components/chat/threadDetailsPanelStyles.ts

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📝 Walkthrough

Walkthrough

The thread details panel icon action class now includes justify-center. Its other classes remain unchanged.

Changes

Thread details panel actions

Layer / File(s)	Summary
Icon action alignment apps/web/src/components/chat/threadDetailsPanelStyles.ts	THREAD_DETAILS_PANEL_ICON_ACTION_CLASS adds justify-center.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~5 minutes

Change: Bug fix

Suggested reviewers: t3dotgg

Merge Risk: ⚪ Minimal · up to 2dccc

This change centers existing icon actions. No concrete merge-blocking risk is established, so it is ready for normal checks.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 1…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Title check	✅ Passed	The title clearly and concisely describes the main change: centering icons in thread details icon buttons.
Description check	✅ Passed	The description explains the problem and change, includes before-and-after screenshots, and reports focused verification and its limitation. It does not state a linked issue, maintainer approval, or w…

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