fix: place title and button on separate rows in session modal

[Link1515]

Fix #282

Summary

調整議程詳情 modal 的標題與操作按鈕版面，讓兩者分列顯示，避免長標題與按鈕互相擠壓。

Changes

• 將分享、收藏與關閉按鈕移至標題上方的獨立列。
• 移除議程標題為操作按鈕預留的右側邊距。

電腦版	手機板

Summary by CodeRabbit

• Style
  • Improved the session detail modal layout for share, favorite, and close controls.
  • Adjusted session information card spacing for a more consistent header appearance.
  • Simplified title styling and removed unnecessary spacing behavior.

[rileychh-dokploy-coscup]

Dokploy Preview Deployment

Name	Status	Preview	Updated (UTC)
Nuxt	✅ Done	Preview URL	2026-07-15T02:06:21.886Z

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 8207838e-5881-4997-bb1f-a4166869486b

📥 Commits

Reviewing files that changed from the base of the PR and between 9f2f642 and aa43020.

📒 Files selected for processing (2)

• app/components/feature/CpSessionDetailModal.vue
• app/components/feature/CpSessionInfoCard.vue

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📝 Walkthrough

Walkthrough

The session detail UI updates header spacing, removes the unused title-margin prop, and simplifies the modal action-control layout with right-aligned flex styling.

Changes

Session detail layout

Layer / File(s)	Summary
Remove title margin prop and adjust header spacing app/components/feature/CpSessionInfoCard.vue	CpSessionInfoCard removes hasTitleMarginRight, changes article padding from py-5 to py-4, and removes the conditional heading margin class.
Align modal controls and update card usage app/components/feature/CpSessionDetailModal.vue	The action-button container uses simplified right-aligned flex spacing, and the modal no longer passes the removed title-margin attribute.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Possibly related PRs

• COSCUP/2026#215: Reuses CpSessionInfoCard and is directly affected by its prop change.
• COSCUP/2026#222: Also changes CpSessionInfoCard header layout and styling.
• COSCUP/2026#281: Touches the same session-detail modal and info-card components.

Suggested reviewers: pan93412, rileychh

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly summarizes the main session modal layout fix and is specific and concise.
Linked Issues check	✅ Passed	The changes move the action buttons off the title row and remove the reserved spacing, matching issue #282.
Out of Scope Changes check	✅ Passed	The only edits are the modal layout tweak and related card prop cleanup, with no unrelated changes evident.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch session-modal

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